{"transactions":[{"id":3390577,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Cash-Settled Equity Swaps","published_at":"2019-10-21T12:00:53.000Z","date":"2019-10-17","kind":"other","acquired":false,"shares":11,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"security","element":"securityTitle","label":"F8","text":"Reflects cash-settlement of total rate of return equity swaps referencing an aggregate of 639,439 shares of Common Stock.  A payment of $511,027 was made to the Mantle Ridge Funds in connection therewith."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Reflects cash-settlement of total rate of return equity swaps referencing an aggregate of 639,439 shares of Common Stock.  A payment of $511,027 was made to the Mantle Ridge Funds in connection therewith."},{"field":"shares","element":"transactionShares","label":"F8","text":"Reflects cash-settlement of total rate of return equity swaps referencing an aggregate of 639,439 shares of Common Stock.  A payment of $511,027 was made to the Mantle Ridge Funds in connection therewith."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Reflects cash-settlement of total rate of return equity swaps referencing an aggregate of 639,439 shares of Common Stock.  A payment of $511,027 was made to the Mantle Ridge Funds in connection therewith."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Reflects cash-settlement of total rate of return equity swaps referencing an aggregate of 639,439 shares of Common Stock.  A payment of $511,027 was made to the Mantle Ridge Funds in connection therewith."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Reflects cash-settlement of total rate of return equity swaps referencing an aggregate of 639,439 shares of Common Stock.  A payment of $511,027 was made to the Mantle Ridge Funds in connection therewith."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":639439},"source":{"system":"sec-edgar","filing":"0000899243-19-025793","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/277948/000089924319025793/doc4.xml","form_type":"4"}},{"id":3390576,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-21T12:00:53.000Z","date":"2019-10-17","kind":"gift","acquired":false,"shares":36813,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Reflects shares contributed by Mr. Hilal to certain charitable organizations."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Reflects shares contributed by Mr. Hilal to certain charitable organizations."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Reflects shares contributed by Mr. Hilal to certain charitable organizations."}],"balance_after":3439335,"source":{"system":"sec-edgar","filing":"0000899243-19-025793","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/277948/000089924319025793/doc4.xml","form_type":"4"}},{"id":3390575,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-21T12:00:53.000Z","date":"2019-10-17","kind":"other","acquired":false,"shares":34490589,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"The Reporting Persons effected a series of pro rata distributions to direct and indirect owners of the Mantle Ridge Funds.  No consideration was paid in connection with these distributions."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The Reporting Persons effected a series of pro rata distributions to direct and indirect owners of the Mantle Ridge Funds.  No consideration was paid in connection with these distributions."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":3476148,"source":{"system":"sec-edgar","filing":"0000899243-19-025793","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/277948/000089924319025793/doc4.xml","form_type":"4"}},{"id":3390574,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-21T12:00:53.000Z","date":"2019-10-17","kind":"sale","acquired":false,"shares":3453894,"price":67.91,"value":234553941.54,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The Reporting Persons (as defined below) sold the shares reported as sold in this Form 4 in order to repay Mantle Ridge Fund obligations under a secured credit facility. The Reporting Persons have no current plans to sell any additional shares of the Issuer, although they reserve the right to do so in their discretion.  Paul C. Hilal continues to serve as a director and as Vice Chairman of the Board of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":34595158,"source":{"system":"sec-edgar","filing":"0000899243-19-025793","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277948/000089924319025793/doc4.xml","form_type":"4"}},{"id":3669467,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-02-08T21:41:21.000Z","date":"2019-02-06","kind":"grant","acquired":true,"shares":2426,"price":68.09,"value":165186.34,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2010 CSX Stock and Incentive Award Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (''MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United Stales of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of CSX Corporation (the \"Issuer\") are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP. MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership. and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent. as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":38057209,"source":{"system":"sec-edgar","filing":"0001567619-19-002820","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277948/000156761919002820/doc1.xml","form_type":"4"}},{"id":3687528,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-25T22:07:46.000Z","date":"2019-01-25","kind":"sale","acquired":false,"shares":2780000,"price":64.42,"value":179087600.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of CSX Corporation (the \"Issuer\") are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mantle Ridge and the other Reporting Persons have sold the shares reported in this Form 4 in order to complete a return of capital to two limited partners of the Mantle Ridge Funds (as previously disclosed in a Form 4 filed in the morning on January 25, 2019). Mantle Ridge and the other Reporting Persons have no current plans to sell additional shares of the Issuer, although they reserve the right to do so in their discretion."}],"balance_after":38054783,"source":{"system":"sec-edgar","filing":"0001567619-19-001677","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277948/000156761919001677/doc1.xml","form_type":"4"}},{"id":3687527,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-25T13:27:03.000Z","date":"2019-01-24","kind":"sale","acquired":false,"shares":1200000,"price":65,"value":78000000.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions through broker-dealers at prices ranging from $65.61 to $64.65."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Mantle Ridge and the other reporting persons have sold the shares reported in this Form 4 in order to accommodate a return of capital to two limited partners of the Mantle Ridge Funds.  Mantle Ridge and the other reporting persons expect to sell an additional 2,780,000 shares to complete that return of capital and thereafter have no current plans to sell shares of the Issuer, although they reserve the right to do so in their discretion."}],"balance_after":40834783,"source":{"system":"sec-edgar","filing":"0001567619-19-001618","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/277948/000156761919001618/doc1.xml","form_type":"4"}},{"id":3687526,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-25T13:27:03.000Z","date":"2019-01-23","kind":"sale","acquired":false,"shares":8500,"price":64.23,"value":545955.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions through broker-dealers at prices ranging from $64.24 to $64.22."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Mantle Ridge and the other reporting persons have sold the shares reported in this Form 4 in order to accommodate a return of capital to two limited partners of the Mantle Ridge Funds.  Mantle Ridge and the other reporting persons expect to sell an additional 2,780,000 shares to complete that return of capital and thereafter have no current plans to sell shares of the Issuer, although they reserve the right to do so in their discretion."}],"balance_after":42034783,"source":{"system":"sec-edgar","filing":"0001567619-19-001618","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/277948/000156761919001618/doc1.xml","form_type":"4"}},{"id":3687525,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-25T13:27:03.000Z","date":"2019-01-23","kind":"sale","acquired":false,"shares":573910,"price":64.83,"value":37206585.3,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions through broker-dealers at prices ranging from $65.24 to $64.25."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Mantle Ridge and the other reporting persons have sold the shares reported in this Form 4 in order to accommodate a return of capital to two limited partners of the Mantle Ridge Funds.  Mantle Ridge and the other reporting persons expect to sell an additional 2,780,000 shares to complete that return of capital and thereafter have no current plans to sell shares of the Issuer, although they reserve the right to do so in their discretion."}],"balance_after":42043283,"source":{"system":"sec-edgar","filing":"0001567619-19-001618","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/277948/000156761919001618/doc1.xml","form_type":"4"}},{"id":3687524,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-25T13:27:03.000Z","date":"2019-01-23","kind":"sale","acquired":false,"shares":147908,"price":65.83,"value":9736783.64,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions through broker-dealers at prices ranging from $66.24 to $65.25. Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), and the other reporting persons undertake to provide CSX Corporation (the \"Issuer\"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 1, 8, 9 and 10 to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Mantle Ridge and the other reporting persons have sold the shares reported in this Form 4 in order to accommodate a return of capital to two limited partners of the Mantle Ridge Funds.  Mantle Ridge and the other reporting persons expect to sell an additional 2,780,000 shares to complete that return of capital and thereafter have no current plans to sell shares of the Issuer, although they reserve the right to do so in their discretion."}],"balance_after":42617193,"source":{"system":"sec-edgar","filing":"0001567619-19-001618","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277948/000156761919001618/doc1.xml","form_type":"4"}},{"id":4069586,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-02-09T19:49:28.000Z","date":"2018-02-07","kind":"grant","acquired":true,"shares":2741,"price":52.97,"value":145190.77,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2010 CSX Stock and Incentive Award Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42765101,"source":{"system":"sec-edgar","filing":"0001140361-18-006239","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036118006239/doc1.xml","form_type":"4"}},{"id":4253002,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":3,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":4,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Equity Swap","published_at":"2017-07-24T20:20:22.000Z","date":"2017-07-21","kind":"other","acquired":true,"shares":25350,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F12","text":"Under the equity swap, the Mantle Ridge Funds have become a party to a two-year term contract with a broker pursuant to which a cash payment will be made by the broker to the Mantle Ridge Funds if the price of a share of CSX Corporation common stock on a settlement date exceeds the reference price in column 2 and a cash payment will be made by the Mantle Ridge Funds to the broker if the price of a share of CSX Corporation common stock on a settlement date is less than the reference price in column 2."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"Under the equity swap, the Mantle Ridge Funds have become a party to a two-year term contract with a broker pursuant to which a cash payment will be made by the broker to the Mantle Ridge Funds if the price of a share of CSX Corporation common stock on a settlement date exceeds the reference price in column 2 and a cash payment will be made by the Mantle Ridge Funds to the broker if the price of a share of CSX Corporation common stock on a settlement date is less than the reference price in column 2."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge, this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":25350,"derivative":{"exercise_price":51.46,"expiration_date":"2019-07-22","underlying":"Common Stock","underlying_shares":25350},"source":{"system":"sec-edgar","filing":"0001140361-17-028476","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117028476/doc1.xml","form_type":"4"}},{"id":4253001,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":3,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":4,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-24T20:20:22.000Z","date":"2017-07-21","kind":"purchase","acquired":true,"shares":29961,"price":51.59,"value":1545687.99,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions through a broker-dealer at prices ranging from $51.14 to $51.80."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge, this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42762360,"source":{"system":"sec-edgar","filing":"0001140361-17-028476","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117028476/doc1.xml","form_type":"4"}},{"id":4253000,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":3,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":4,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-24T20:20:22.000Z","date":"2017-07-21","kind":"purchase","acquired":true,"shares":36122,"price":51.59,"value":1863533.98,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions through a broker-dealer at prices ranging from $51.14 to $51.80."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge, this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42732399,"source":{"system":"sec-edgar","filing":"0001140361-17-028476","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117028476/doc1.xml","form_type":"4"}},{"id":4252999,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":3,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":4,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-24T20:20:22.000Z","date":"2017-07-21","kind":"purchase","acquired":true,"shares":137580,"price":51.59,"value":7097752.2,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions through a broker-dealer at prices ranging from $51.14 to $51.80."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge, this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42696277,"source":{"system":"sec-edgar","filing":"0001140361-17-028476","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117028476/doc1.xml","form_type":"4"}},{"id":4252998,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":3,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":4,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-24T20:20:22.000Z","date":"2017-07-21","kind":"purchase","acquired":true,"shares":121795,"price":51.59,"value":6283404.05,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions through a broker-dealer at prices ranging from $51.14 to $51.80."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge, this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42558697,"source":{"system":"sec-edgar","filing":"0001140361-17-028476","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117028476/doc1.xml","form_type":"4"}},{"id":4252997,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":3,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":4,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-24T20:20:22.000Z","date":"2017-07-21","kind":"purchase","acquired":true,"shares":230976,"price":51.59,"value":11916051.84,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions through a broker-dealer at prices ranging from $51.14 to $51.80."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge, this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42436902,"source":{"system":"sec-edgar","filing":"0001140361-17-028476","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117028476/doc1.xml","form_type":"4"}},{"id":4252996,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":3,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":4,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-24T20:20:22.000Z","date":"2017-07-21","kind":"purchase","acquired":true,"shares":800566,"price":51.59,"value":41301199.94,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions through a broker-dealer at prices ranging from $51.14 to $51.80. Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\") and the other reporting person undertake to provide CSX Corporation, any security holder of CSX Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 1, and 7 to 11 to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"In addition to Mantle Ridge, this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42205926,"source":{"system":"sec-edgar","filing":"0001140361-17-028476","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117028476/doc1.xml","form_type":"4"}},{"id":4372109,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Equity Swap","published_at":"2017-03-27T16:19:03.000Z","date":"2017-03-17","kind":"other","acquired":true,"shares":43489,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"This equity swap was acquired pursuant to the exercise of call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":43489,"derivative":{"exercise_price":35.05,"expiration_date":"2017-03-17","underlying":"Common Stock","underlying_shares":43489},"source":{"system":"sec-edgar","filing":"0001140361-17-013356","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117013356/doc1.xml","form_type":"4"}},{"id":4372108,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (right to buy)","published_at":"2017-03-27T16:19:03.000Z","date":"2017-03-17","kind":"other","acquired":false,"shares":105629,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"The Mantle Ridge Funds have exercised call option contracts, pursuant to which they had a right to buy an equity swap with respect to Issuer common stock. Under such equity swap, the Mantle Ridge Funds have (following exercise of the option) become a party to a two-year term contract with a broker pursuant to which a cash payment will be made by the broker to the Mantle Ridge Funds if the price of a share of Issuer common stock on a settlement date exceeds a certain price and a cash payment will be made by the Mantle Ridge Funds to the broker if the price of a share of Issuer common stock on a settlement date is less than a certain price. The amount shown in column 7 is the number of shares of Issuer common stock underlying the equity swap. The amount shown in column 2 is the exercise price of the call option per share of Issuer common stock, which may be different from the exercise price per share of Issuer common stock underlying the equity swap."},{"field":"kind","element":"transactionCoding","label":"F6","text":"The call option contracts exercised by the Mantle Ridge Funds included a net settlement feature."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"This equity swap was acquired pursuant to the exercise of call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":27.73,"expiration_date":"2017-03-17","underlying":"Equity Swap","underlying_shares":105629},"source":{"system":"sec-edgar","filing":"0001140361-17-013356","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117013356/doc1.xml","form_type":"4"}},{"id":4393951,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1401152,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":37.49,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":1401152},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":29,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393950,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1154797,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":38.55,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":1154797},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":28,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393949,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":3138792,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":38.9,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":3138792},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":27,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393948,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":2488348,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":38.57,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":2488348},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":26,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393947,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":2791487,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":38.35,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":2791487},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":25,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393946,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":981688,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":37.83,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":981688},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":24,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393945,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":510511,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":37.56,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":510511},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":23,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393944,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1074036,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":37.63,"exercise_date":"2017-03-06","expiration_date":"2019-03-06","underlying":"Common Stock","underlying_shares":1074036},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":22,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393943,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":951576,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":37.38,"exercise_date":"2017-03-06","expiration_date":"2019-03-06","underlying":"Common Stock","underlying_shares":951576},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":21,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393942,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":190717,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":36.61,"exercise_date":"2017-03-03","expiration_date":"2019-03-04","underlying":"Common Stock","underlying_shares":190717},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393941,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":533726,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.76,"exercise_date":"2017-03-01","expiration_date":"2019-03-01","underlying":"Common Stock","underlying_shares":533726},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393940,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":995816,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.66,"exercise_date":"2017-03-01","expiration_date":"2019-03-01","underlying":"Common Stock","underlying_shares":995816},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393939,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1592095,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.62,"exercise_date":"2017-03-01","expiration_date":"2019-03-01","underlying":"Common Stock","underlying_shares":1592095},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393938,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1103772,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.6,"exercise_date":"2017-03-01","expiration_date":"2019-03-01","underlying":"Common Stock","underlying_shares":1103772},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393937,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1606731,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.51,"exercise_date":"2017-03-01","expiration_date":"2019-03-01","underlying":"Common Stock","underlying_shares":1606731},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393936,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":483000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":36.66,"exercise_date":"2017-02-22","expiration_date":"2019-02-22","underlying":"Common Stock","underlying_shares":483000},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393935,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":572000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":36.84,"exercise_date":"2017-02-21","expiration_date":"2019-02-21","underlying":"Common Stock","underlying_shares":572000},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393934,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1077512,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":31.3,"exercise_date":"2017-02-21","expiration_date":"2019-02-21","underlying":"Common Stock","underlying_shares":1077512},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393933,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":2246491,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.63,"exercise_date":"2017-02-21","expiration_date":"2019-02-21","underlying":"Common Stock","underlying_shares":2246491},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393932,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":295000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":37.23,"exercise_date":"2017-01-18","expiration_date":"2019-01-18","underlying":"Common Stock","underlying_shares":295000},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393931,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":4000000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":36.27,"exercise_date":"2017-01-17","expiration_date":"2019-01-17","underlying":"Common Stock","underlying_shares":4000000},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393930,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":51000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":36.82,"exercise_date":"2016-12-28","expiration_date":"2018-12-28","underlying":"Common Stock","underlying_shares":51000},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393929,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":208000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":37.02,"exercise_date":"2016-12-27","expiration_date":"2018-12-27","underlying":"Common Stock","underlying_shares":208000},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393928,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":938626,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":31.06,"exercise_date":"2016-12-16","expiration_date":"2018-12-17","underlying":"Common Stock","underlying_shares":938626},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393927,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":593285,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":31,"exercise_date":"2016-12-16","expiration_date":"2018-12-17","underlying":"Common Stock","underlying_shares":593285},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393926,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":572700,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":36.95,"exercise_date":"2016-12-14","expiration_date":"2018-12-14","underlying":"Common Stock","underlying_shares":572700},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393925,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":211000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":37.14,"exercise_date":"2016-12-13","expiration_date":"2018-12-13","underlying":"Common Stock","underlying_shares":211000},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393924,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":2179655,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":31.21,"exercise_date":"2016-12-13","expiration_date":"2018-12-13","underlying":"Common Stock","underlying_shares":2179655},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393923,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:42:10.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":2320154,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.79,"exercise_date":"2016-12-12","expiration_date":"2018-12-12","underlying":"Common Stock","underlying_shares":2320154},"source":{"system":"sec-edgar","filing":"0001140361-17-011309","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011309/doc1.xml","form_type":"4"}},{"id":4393921,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":2377838,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.23,"exercise_date":"2016-12-12","expiration_date":"2018-12-12","underlying":"Common Stock","underlying_shares":2377838},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":30,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393920,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":2013062,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.5,"exercise_date":"2016-12-09","expiration_date":"2018-12-07","underlying":"Common Stock","underlying_shares":2013062},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":29,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393919,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1276136,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.85,"exercise_date":"2016-10-10","expiration_date":"2018-10-10","underlying":"Common Stock","underlying_shares":1276136},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":28,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393918,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1201138,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":30.9,"exercise_date":"2016-10-07","expiration_date":"2018-10-09","underlying":"Common Stock","underlying_shares":1201138},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":27,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393917,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"sale","acquired":false,"shares":305027,"price":48.58,"value":14818211.66,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F9","text":"Certain of the call options exercised by the Mantle Ridge Funds included a net settlement feature."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":1401152,"derivative":{"exercise_price":37.49,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":1401152},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":26,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393916,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"sale","acquired":false,"shares":570686,"price":48.58,"value":27723925.88,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F9","text":"Certain of the call options exercised by the Mantle Ridge Funds included a net settlement feature."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":1154797,"derivative":{"exercise_price":38.55,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":1154797},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":25,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393915,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"sale","acquired":false,"shares":427013,"price":48.58,"value":20744291.54,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F9","text":"Certain of the call options exercised by the Mantle Ridge Funds included a net settlement feature."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":510511,"derivative":{"exercise_price":37.56,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":510511},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":24,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393914,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":1706179,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"These purchase contracts were acquired pursuant to the exercise of call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":1706179,"derivative":{"exercise_price":37.49,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":1706179},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":23,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393913,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":1725483,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"These purchase contracts were acquired pursuant to the exercise of call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":1725483,"derivative":{"exercise_price":38.55,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":1725483},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":22,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393912,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":3138792,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"These purchase contracts were acquired pursuant to the exercise of call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":3138792,"derivative":{"exercise_price":38.9,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":3138792},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":21,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393911,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":2488348,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"These purchase contracts were acquired pursuant to the exercise of call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":2488348,"derivative":{"exercise_price":38.57,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":2488348},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393910,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":2791487,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"These purchase contracts were acquired pursuant to the exercise of call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":2791487,"derivative":{"exercise_price":38.35,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":2791487},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393909,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":981688,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"These purchase contracts were acquired pursuant to the exercise of call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":981688,"derivative":{"exercise_price":37.83,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":981688},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393908,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Purchase contract (obligation to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":937523,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"These purchase contracts were acquired pursuant to the exercise of call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":937523,"derivative":{"exercise_price":37.56,"exercise_date":"2017-03-07","expiration_date":"2019-03-07","underlying":"Common Stock","underlying_shares":937523},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393907,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (right to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1706179,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"The Mantle Ridge Funds have exercised call option contracts, pursuant to which they had a right to buy purchase contracts with respect to Issuer common stock. Under such purchase contracts, the Mantle Ridge Funds have (following exercise of the option) the obligation to buy a specified number of Issuer common stock at a fixed exercise price on or prior to the maturity date of such purchase contract. The amount shown in column 7 is the number of shares of Issuer common stock underlying the purchase contract applicable to the option. The amount shown in column 2 is the exercise price of the call option per share of Issuer common stock, which may be different from the exercise price per share of Issuer common stock underlying the purchase contract applicable to the option."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":27.73,"exercise_date":"2017-01-18","expiration_date":"2017-03-17","underlying":"Purchase Contract","underlying_shares":1706179},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393906,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (right to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":1725483,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"The Mantle Ridge Funds have exercised call option contracts, pursuant to which they had a right to buy purchase contracts with respect to Issuer common stock. Under such purchase contracts, the Mantle Ridge Funds have (following exercise of the option) the obligation to buy a specified number of Issuer common stock at a fixed exercise price on or prior to the maturity date of such purchase contract. The amount shown in column 7 is the number of shares of Issuer common stock underlying the purchase contract applicable to the option. The amount shown in column 2 is the exercise price of the call option per share of Issuer common stock, which may be different from the exercise price per share of Issuer common stock underlying the purchase contract applicable to the option."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":28.51,"exercise_date":"2017-01-17","expiration_date":"2017-03-17","underlying":"Purchase Contract","underlying_shares":1725483},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393905,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (right to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":3138792,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"The Mantle Ridge Funds have exercised call option contracts, pursuant to which they had a right to buy purchase contracts with respect to Issuer common stock. Under such purchase contracts, the Mantle Ridge Funds have (following exercise of the option) the obligation to buy a specified number of Issuer common stock at a fixed exercise price on or prior to the maturity date of such purchase contract. The amount shown in column 7 is the number of shares of Issuer common stock underlying the purchase contract applicable to the option. The amount shown in column 2 is the exercise price of the call option per share of Issuer common stock, which may be different from the exercise price per share of Issuer common stock underlying the purchase contract applicable to the option."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":28.77,"exercise_date":"2017-01-13","expiration_date":"2017-03-13","underlying":"Purchase Contract","underlying_shares":3138792},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393904,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (right to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":2488348,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"The Mantle Ridge Funds have exercised call option contracts, pursuant to which they had a right to buy purchase contracts with respect to Issuer common stock. Under such purchase contracts, the Mantle Ridge Funds have (following exercise of the option) the obligation to buy a specified number of Issuer common stock at a fixed exercise price on or prior to the maturity date of such purchase contract. The amount shown in column 7 is the number of shares of Issuer common stock underlying the purchase contract applicable to the option. The amount shown in column 2 is the exercise price of the call option per share of Issuer common stock, which may be different from the exercise price per share of Issuer common stock underlying the purchase contract applicable to the option."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":28.53,"exercise_date":"2017-01-12","expiration_date":"2017-03-13","underlying":"Purchase Contract","underlying_shares":2488348},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393903,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (right to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":2791487,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"The Mantle Ridge Funds have exercised call option contracts, pursuant to which they had a right to buy purchase contracts with respect to Issuer common stock. Under such purchase contracts, the Mantle Ridge Funds have (following exercise of the option) the obligation to buy a specified number of Issuer common stock at a fixed exercise price on or prior to the maturity date of such purchase contract. The amount shown in column 7 is the number of shares of Issuer common stock underlying the purchase contract applicable to the option. The amount shown in column 2 is the exercise price of the call option per share of Issuer common stock, which may be different from the exercise price per share of Issuer common stock underlying the purchase contract applicable to the option."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":28.36,"exercise_date":"2017-01-11","expiration_date":"2017-03-10","underlying":"Purchase Contract","underlying_shares":2791487},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393902,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (right to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":981688,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"The Mantle Ridge Funds have exercised call option contracts, pursuant to which they had a right to buy purchase contracts with respect to Issuer common stock. Under such purchase contracts, the Mantle Ridge Funds have (following exercise of the option) the obligation to buy a specified number of Issuer common stock at a fixed exercise price on or prior to the maturity date of such purchase contract. The amount shown in column 7 is the number of shares of Issuer common stock underlying the purchase contract applicable to the option. The amount shown in column 2 is the exercise price of the call option per share of Issuer common stock, which may be different from the exercise price per share of Issuer common stock underlying the purchase contract applicable to the option."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":27.98,"exercise_date":"2017-01-10","expiration_date":"2017-03-10","underlying":"Purchase Contract","underlying_shares":981688},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393901,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (right to buy)","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":false,"shares":937523,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"The Mantle Ridge Funds have exercised call option contracts, pursuant to which they had a right to buy purchase contracts with respect to Issuer common stock. Under such purchase contracts, the Mantle Ridge Funds have (following exercise of the option) the obligation to buy a specified number of Issuer common stock at a fixed exercise price on or prior to the maturity date of such purchase contract. The amount shown in column 7 is the number of shares of Issuer common stock underlying the purchase contract applicable to the option. The amount shown in column 2 is the exercise price of the call option per share of Issuer common stock, which may be different from the exercise price per share of Issuer common stock underlying the purchase contract applicable to the option."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":0,"derivative":{"exercise_price":27.78,"exercise_date":"2017-01-09","expiration_date":"2017-03-09","underlying":"Purchase Contract","underlying_shares":937523},"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393900,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"sale","acquired":false,"shares":732343,"price":48.57,"value":35569899.51,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Certain of the purchase contracts exercised by the Mantle Ridge Funds included a net settlement feature."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":41405360,"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393899,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"sale","acquired":false,"shares":143750,"price":48.57,"value":6981937.5,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Certain of the purchase contracts exercised by the Mantle Ridge Funds included a net settlement feature."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42137703,"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393898,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"sale","acquired":false,"shares":362933,"price":48.57,"value":17627655.81,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Certain of the purchase contracts exercised by the Mantle Ridge Funds included a net settlement feature."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42281453,"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393897,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"sale","acquired":false,"shares":431915,"price":48.57,"value":20978111.55,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Certain of the purchase contracts exercised by the Mantle Ridge Funds included a net settlement feature."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":42644386,"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393896,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"sale","acquired":false,"shares":58537,"price":48.57,"value":2843142.09,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Certain of the purchase contracts exercised by the Mantle Ridge Funds included a net settlement feature."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":43076301,"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393895,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":1401152,"price":37.49,"value":52529188.48,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":43134838,"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393894,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":1154797,"price":38.55,"value":44517424.35,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":41733686,"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393893,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:40:02.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":3138792,"price":38.9,"value":122099008.8,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\"). All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":40578889,"source":{"system":"sec-edgar","filing":"0001140361-17-011306","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011306/doc1.xml","form_type":"4"}},{"id":4393892,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":2488348,"price":38.57,"value":95975582.36,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":37440097,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":30,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393891,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":2791487,"price":38.35,"value":107053526.45,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":34951749,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":29,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393890,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":981688,"price":37.83,"value":37137257.04,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":32160262,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":28,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393889,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":510511,"price":37.56,"value":19174793.16,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":31178574,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":27,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393888,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":1074036,"price":37.63,"value":40415974.68,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":30668063,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":26,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393887,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":951576,"price":37.38,"value":35569910.88,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":29594027,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":25,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393886,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":190717,"price":36.61,"value":6982149.37,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":28642451,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":24,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393885,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":533726,"price":30.76,"value":16417411.76,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":28451734,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":23,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393884,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":995816,"price":30.66,"value":30531718.56,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":27918008,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":22,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393883,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":1592095,"price":30.62,"value":48749948.9,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":26922192,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":21,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393882,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":1103772,"price":30.59,"value":33764385.48,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":25330097,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393881,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":1606731,"price":30.51,"value":49021362.81,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":24226325,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393880,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":483000,"price":36.66,"value":17706780.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":22619594,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393879,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":572000,"price":36.84,"value":21072480.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":22136594,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393878,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":1077512,"price":31.3,"value":33726125.6,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":21564594,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393877,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":2246491,"price":30.63,"value":68810019.33,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":20487082,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393876,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":295000,"price":37.22,"value":10979900.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":18240591,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393875,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":4000000,"price":38.27,"value":153080000.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":17945591,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393874,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":51000,"price":36.82,"value":1877820.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":13945591,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393873,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":208000,"price":37.02,"value":7700160.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":13894591,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393872,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":938626,"price":31.06,"value":29153723.56,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":13686591,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}},{"id":4393871,"issuer":{"id":442,"kind":"organization","name":"CSX CORP","symbol":"CSX"},"owners":[{"id":35490,"kind":"organization","name":"Mantle Ridge LP","position":1,"cik":"0001695459","reported_name":"Mantle Ridge LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154309,"kind":"person","name":"MR Argent Advisor LLC","position":2,"cik":"0001695460","reported_name":"MR Argent Advisor LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":154310,"kind":"person","name":"MR Argent GP LLC","position":3,"cik":"0001695465","reported_name":"MR Argent GP LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":35492,"kind":"person","name":"Hilal Paul C","position":4,"cik":"0001413084","reported_name":"Hilal Paul C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-10T00:31:38.000Z","date":"2017-03-07","kind":"other","acquired":true,"shares":593285,"price":31,"value":18391835.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"In addition to Mantle Ridge LP, a Delaware limited partnership (\"Mantle Ridge\"), this Form 4 is being filed jointly by MR Argent Advisor LLC, a Delaware limited liability company (\"MR Argent\"), MR Argent GP LLC, a Delaware limited liability company (\"Fund GP\"), and Paul C. Hilal, a citizen of the United States of America (collectively, the \"Reporting Persons\"), each of whom has the same business address as Mantle Ridge and may be deemed to have a pecuniary interest in securities reported on this Form 4 (the \"Subject Securities\").  All Subject Securities reported on this Form 4 are rounded up to the nearest whole share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Seven shares of the Issuer are held by a wholly owned and wholly controlled special purpose subsidiary of Mantle Ridge."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"MR Argent, a wholly owned subsidiary of Mantle Ridge, advises the accounts of MR Argent Fund CE LP, a Delaware limited partnership, and MR Argent Offshore Fund AB LP, MR Argent Offshore Fund BB LP, MR Argent Offshore Fund CB 01 LP, MR Argent Offshore Fund CB 02 LP, MR Argent Offshore Fund CB 03 LP, MR Argent Offshore Fund CB 04 LP, MR Argent Offshore CB 05 LP and MR Argent Offshore CB 07 LP, each a Cayman Islands exempted limited partnership, and, if applicable, their subsidiaries, which are Cayman Islands exempted companies (all such funds and their subsidiaries together, the \"Mantle Ridge Funds\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"MR Argent, as the investment adviser to the Mantle Ridge Funds, and Mantle Ridge, as the sole member of MR Argent, each may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a 1(a) under the Securities Exchange Act of 1934. As the general partner of the Mantle Ridge Funds, Fund GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). By virtue of Paul C. Hilal's position as ultimately controlling MR Argent, Mantle Ridge and MR GP HoldCo LLC, the sole member of the Fund GP, Paul C. Hilal may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Paul C. Hilal is a member of the board of directors of the Issuer, and as a result, each of the Reporting Persons are directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934."}],"balance_after":12747965,"source":{"system":"sec-edgar","filing":"0001140361-17-011299","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/277948/000114036117011299/doc1.xml","form_type":"4"}}],"next_cursor":"2017-03-10T00:31:38.000000Z,4393871"}