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Macquarie Group, MIHI and MIHI Boxwood Sponsor, LLC are referred to collectively as the \"Reporting Persons.\" Each Reporting Person disclaims beneficial ownership of all shares of the Issuer reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any."}],"balance_after":4925000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":750000},"source":{"system":"sec-edgar","filing":"0001615774-19-000361","document":"s115258_form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000161577419000361/s115258_form4.xml","form_type":"4"}},{"id":3713078,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2019-01-02T19:49:56.000Z","date":"2018-12-31","kind":"grant","acquired":true,"shares":71311,"price":39.1175,"value":2789508.0425,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock issued to the reporting person upon reinvestment of base fees for the month ended November 30, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 62,200 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12539638,"source":{"system":"sec-edgar","filing":"0001209191-19-000125","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919119000125/doc4.xml","form_type":"4"}},{"id":3745711,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-12-03T22:56:37.000Z","date":"2018-11-30","kind":"grant","acquired":true,"shares":88849,"price":41.14,"value":3655247.86,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock issued to the reporting person upon reinvestment of base fees for the month ended October 31, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 62,200 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12468327,"source":{"system":"sec-edgar","filing":"0001209191-18-060655","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118060655/doc4.xml","form_type":"4"}},{"id":3754556,"issuer":{"id":15871,"kind":"organization","name":"ATLAS TECHNICAL CONSULTANTS, INC.","symbol":"ATCX"},"owners":[{"id":125353,"kind":"person","name":"MIHI LLC","position":1,"cik":"0001614352","reported_name":"MIHI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161192,"kind":"organization","name":"MIHI BOXWOOD SPONSOR, LLC","position":2,"cik":"0001759192","reported_name":"MIHI BOXWOOD SPONSOR, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":3,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrant","published_at":"2018-11-21T21:08:55.000Z","date":"2018-11-20","kind":"purchase","acquired":true,"shares":3750000,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Boxwood Sponsor LLC (the \"Sponsor\") acquired an aggregate of 250,000 units (each a \"Private Placement Unit\") at a price of $10.00 per unit, $2,500,000 in the aggregate and 3,500,000 warrants (each a \"Private Placement Warrant\") at a price of $1.00 per warrant, $3,500,000 in the aggregate, in a private placement that closed simultaneously with the closing of Boxwood Merger Corp.'s (the \"Issuer\") initial public offering. Each Private Placement Unit consists of one share of the Issuer's Class A common stock and one Private Placement Warrant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination or November 20, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The warrants expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Private Placement Units and the Private Placement Warrants are held directly by the Sponsor. The Sponsor is jointly owned and managed by MIHI Boxwood Sponsor, LLC, which is controlled by MIHI LLC (\"MIHI\"), and Boxwood Management Company, LLC (\"Boxwood Management\"). MIHI and Boxwood Management have shared voting and dispositive power with respect to the shares held by the Sponsor and, as such, may be deemed to beneficially own the shares held by the Sponsor. Macquarie Group Limited (\"Macquarie Group\") is the ultimate indirect parent of MIHI and may be deemed to beneficially own the Issuer's securities held thereby. Macquarie Group, MIHI and MIHI Boxwood Sponsor, LLC are referred to collectively as the \"Reporting Persons.\" Each Reporting Person disclaims beneficial ownership of all shares of the Issuer reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any."}],"balance_after":3750000,"derivative":{"exercise_price":11.5,"underlying":"Class A Common Stock","underlying_shares":3750000},"source":{"system":"sec-edgar","filing":"0001615774-18-013132","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000161577418013132/ownership.xml","form_type":"4"}},{"id":3754555,"issuer":{"id":15871,"kind":"organization","name":"ATLAS TECHNICAL CONSULTANTS, INC.","symbol":"ATCX"},"owners":[{"id":125353,"kind":"person","name":"MIHI LLC","position":1,"cik":"0001614352","reported_name":"MIHI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161192,"kind":"organization","name":"MIHI BOXWOOD SPONSOR, LLC","position":2,"cik":"0001759192","reported_name":"MIHI BOXWOOD SPONSOR, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":3,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2018-11-21T21:08:55.000Z","date":"2018-11-20","kind":"purchase","acquired":true,"shares":250000,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Boxwood Sponsor LLC (the \"Sponsor\") acquired an aggregate of 250,000 units (each a \"Private Placement Unit\") at a price of $10.00 per unit, $2,500,000 in the aggregate and 3,500,000 warrants (each a \"Private Placement Warrant\") at a price of $1.00 per warrant, $3,500,000 in the aggregate, in a private placement that closed simultaneously with the closing of Boxwood Merger Corp.'s (the \"Issuer\") initial public offering. Each Private Placement Unit consists of one share of the Issuer's Class A common stock and one Private Placement Warrant."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Private Placement Units and the Private Placement Warrants are held directly by the Sponsor. The Sponsor is jointly owned and managed by MIHI Boxwood Sponsor, LLC, which is controlled by MIHI LLC (\"MIHI\"), and Boxwood Management Company, LLC (\"Boxwood Management\"). MIHI and Boxwood Management have shared voting and dispositive power with respect to the shares held by the Sponsor and, as such, may be deemed to beneficially own the shares held by the Sponsor. Macquarie Group Limited (\"Macquarie Group\") is the ultimate indirect parent of MIHI and may be deemed to beneficially own the Issuer's securities held thereby. Macquarie Group, MIHI and MIHI Boxwood Sponsor, LLC are referred to collectively as the \"Reporting Persons.\" Each Reporting Person disclaims beneficial ownership of all shares of the Issuer reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any."}],"balance_after":250000,"source":{"system":"sec-edgar","filing":"0001615774-18-013132","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000161577418013132/ownership.xml","form_type":"4"}},{"id":3778028,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-11-01T20:30:30.000Z","date":"2018-10-30","kind":"grant","acquired":true,"shares":89542,"price":46.58,"value":4170866.36,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock issued to the reporting person upon reinvestment of base fees for the month ended September 30, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 72,600 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12389878,"source":{"system":"sec-edgar","filing":"0001209191-18-056768","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118056768/doc4.xml","form_type":"4"}},{"id":3807207,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-26T21:15:41.000Z","date":"2018-09-26","kind":"grant","acquired":true,"shares":90207,"price":46.19,"value":4166661.33,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock issued to the reporting person upon reinvestment of base fees for the month ended August 31, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 72,600 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12300336,"source":{"system":"sec-edgar","filing":"0001209191-18-052316","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118052316/doc4.xml","form_type":"4"}},{"id":3807208,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-26T20:52:57.000Z","date":"2018-09-21","kind":"purchase","acquired":true,"shares":18200,"price":46.68,"value":849576.0,"ownership":{"direct":false,"nature":"See Footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were purchased for one or more investment funds for which Macquarie Investment Management Global Limited (\"MIMGL\"), a subsidiary of Macquarie Group Limited (\"MGL\"), acts as investment advisor."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 72,600 shares held in various investment funds for which MIMGL acts as investment advisor. Macquarie Infrastructure Management (USA) Inc., a subsidiary of MGL, holds the balance of the shares."}],"balance_after":12210129,"source":{"system":"sec-edgar","filing":"0001209191-18-052305","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118052305/doc4.xml","form_type":"4"}},{"id":3809004,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-24T23:27:35.000Z","date":"2018-09-21","kind":"purchase","acquired":true,"shares":18200,"price":46.68,"value":849576.0,"ownership":{"direct":false,"nature":"See Footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were purchased for one or more investment funds for which Macquarie Investment Management Global Limited (\"MIMGL\"), a subsidiary of Macquarie Group Limited (\"MGL\"), acts as investment advisor."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 72,600 shares held in various investment funds for which MIMGL acts as investment advisor. Macquarie Infrastructure Management (USA) Inc., a subsidiary of MGL, holds the balance of the shares."}],"balance_after":12210129,"source":{"system":"sec-edgar","filing":"0001209191-18-052085","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118052085/doc4.xml","form_type":"4"}},{"id":3809786,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-21T22:10:00.000Z","date":"2018-09-20","kind":"purchase","acquired":true,"shares":100,"price":47.13,"value":4713.0,"ownership":{"direct":false,"nature":"See Footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12191929,"source":{"system":"sec-edgar","filing":"0001209191-18-051972","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118051972/doc4.xml","form_type":"4"}},{"id":3809785,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-21T22:10:00.000Z","date":"2018-09-19","kind":"purchase","acquired":true,"shares":37000,"price":46.65,"value":1726050.0,"ownership":{"direct":false,"nature":"See Footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price per day. These shares were purchased at prices ranging from $46.49 to $46.74, inclusive, on September 19, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12191829,"source":{"system":"sec-edgar","filing":"0001209191-18-051972","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118051972/doc4.xml","form_type":"4"}},{"id":3812584,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-18T23:48:56.000Z","date":"2018-09-18","kind":"purchase","acquired":true,"shares":33892,"price":46.78,"value":1585467.76,"ownership":{"direct":false,"nature":"See Footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.51 to $46.55, inclusive, on September 14, 2018, from $46.26 to $46.55, inclusive, on September 17, 2018, and from $46.52 to $47.00, inclusive, on September 18, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12154829,"source":{"system":"sec-edgar","filing":"0001209191-18-051582","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118051582/doc4.xml","form_type":"4"}},{"id":3812583,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-18T23:48:56.000Z","date":"2018-09-17","kind":"purchase","acquired":true,"shares":75808,"price":46.47,"value":3522797.76,"ownership":{"direct":false,"nature":"See Footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.51 to $46.55, inclusive, on September 14, 2018, from $46.26 to $46.55, inclusive, on September 17, 2018, and from $46.52 to $47.00, inclusive, on September 18, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12120937,"source":{"system":"sec-edgar","filing":"0001209191-18-051582","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118051582/doc4.xml","form_type":"4"}},{"id":3812582,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-18T23:48:56.000Z","date":"2018-09-14","kind":"purchase","acquired":true,"shares":40112,"price":46.54,"value":1866812.48,"ownership":{"direct":false,"nature":"See Footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.51 to $46.55, inclusive, on September 14, 2018, from $46.26 to $46.55, inclusive, on September 17, 2018, and from $46.52 to $47.00, inclusive, on September 18, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12045129,"source":{"system":"sec-edgar","filing":"0001209191-18-051582","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118051582/doc4.xml","form_type":"4"}},{"id":3816929,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-13T21:25:29.000Z","date":"2018-09-13","kind":"purchase","acquired":true,"shares":7207,"price":46.8,"value":337287.6,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.58 to $46.60, inclusive, on September 12, 2018, from $46.72 to $46.89, inclusive, on September 13, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12005017,"source":{"system":"sec-edgar","filing":"0001209191-18-050912","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118050912/doc4.xml","form_type":"4"}},{"id":3816928,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-13T21:25:29.000Z","date":"2018-09-12","kind":"purchase","acquired":true,"shares":17310,"price":46.6,"value":806646.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.58 to $46.60, inclusive, on September 12, 2018, from $46.72 to $46.89, inclusive, on September 13, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11997810,"source":{"system":"sec-edgar","filing":"0001209191-18-050912","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118050912/doc4.xml","form_type":"4"}},{"id":3819527,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-11T22:57:01.000Z","date":"2018-09-10","kind":"purchase","acquired":true,"shares":40000,"price":46.49,"value":1859600.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.64 to $46.69, inclusive, on September 7, 2018, from $46.44 to $46.55, inclusive, on September 10, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11980500,"source":{"system":"sec-edgar","filing":"0001209191-18-050567","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118050567/doc4.xml","form_type":"4"}},{"id":3819526,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-11T22:57:01.000Z","date":"2018-09-07","kind":"purchase","acquired":true,"shares":61594,"price":46.67,"value":2874591.98,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.64 to $46.69, inclusive, on September 7, 2018, from $46.44 to $46.55, inclusive, on September 10, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11940500,"source":{"system":"sec-edgar","filing":"0001209191-18-050567","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118050567/doc4.xml","form_type":"4"}},{"id":3823265,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-06T21:49:26.000Z","date":"2018-09-06","kind":"purchase","acquired":true,"shares":76535,"price":46.86,"value":3586430.1,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.73 to $46.95, inclusive, on September 6, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11878906,"source":{"system":"sec-edgar","filing":"0001209191-18-049934","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118049934/doc4.xml","form_type":"4"}},{"id":3827176,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-04T22:27:11.000Z","date":"2018-09-04","kind":"purchase","acquired":true,"shares":56732,"price":46.71,"value":2649951.72,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.67 to $46.75, inclusive, on August 31, 2018 and from $46.55 to $46.90, inclusive, on September 4, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11802371,"source":{"system":"sec-edgar","filing":"0001209191-18-049326","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118049326/doc4.xml","form_type":"4"}},{"id":3827175,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-04T22:27:11.000Z","date":"2018-08-31","kind":"purchase","acquired":true,"shares":39690,"price":46.72,"value":1854316.8,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.67 to $46.75, inclusive, on August 31, 2018 and from $46.55 to $46.90, inclusive, on September 4, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11745639,"source":{"system":"sec-edgar","filing":"0001209191-18-049326","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118049326/doc4.xml","form_type":"4"}},{"id":3829464,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-30T21:55:01.000Z","date":"2018-08-30","kind":"purchase","acquired":true,"shares":120815,"price":47.09,"value":5689178.35,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $47.05 to $47.10, inclusive, on August 29, 2018 and from $46.98 to $47.15, inclusive, on August 30, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11705949,"source":{"system":"sec-edgar","filing":"0001209191-18-048994","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048994/doc4.xml","form_type":"4"}},{"id":3829463,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-30T21:55:01.000Z","date":"2018-08-29","kind":"purchase","acquired":true,"shares":56887,"price":47.1,"value":2679377.7,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $47.05 to $47.10, inclusive, on August 29, 2018 and from $46.98 to $47.15, inclusive, on August 30, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11585134,"source":{"system":"sec-edgar","filing":"0001209191-18-048994","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048994/doc4.xml","form_type":"4"}},{"id":3829462,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-30T21:55:01.000Z","date":"2018-08-29","kind":"grant","acquired":true,"shares":89537,"price":44.62,"value":3995140.94,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock issued to the reporting person upon reinvestment of base fees for the month ended July 31, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11528247,"source":{"system":"sec-edgar","filing":"0001209191-18-048994","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048994/doc4.xml","form_type":"4"}},{"id":3831489,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-28T21:28:19.000Z","date":"2018-08-28","kind":"purchase","acquired":true,"shares":51048,"price":47.17,"value":2407934.16,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.62 to $46.70, inclusive, on August 24, 2018 and from $47.05 to $47.30, inclusive, on August 28, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11438710,"source":{"system":"sec-edgar","filing":"0001209191-18-048710","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048710/doc4.xml","form_type":"4"}},{"id":3831488,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-28T21:28:19.000Z","date":"2018-08-24","kind":"purchase","acquired":true,"shares":58259,"price":46.67,"value":2718947.53,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.62 to $46.70, inclusive, on August 24, 2018 and from $47.05 to $47.30, inclusive, on August 28, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11387662,"source":{"system":"sec-edgar","filing":"0001209191-18-048710","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048710/doc4.xml","form_type":"4"}},{"id":3834892,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-23T22:06:00.000Z","date":"2018-08-23","kind":"purchase","acquired":true,"shares":5100,"price":46.5,"value":237150.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.08 to $46.49, inclusive, on August 22, 2018 and from $46.48 to $46.79, inclusive, on August 23, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11329403,"source":{"system":"sec-edgar","filing":"0001209191-18-048265","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048265/doc4.xml","form_type":"4"}},{"id":3834891,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-23T22:06:00.000Z","date":"2018-08-22","kind":"purchase","acquired":true,"shares":25000,"price":46.21,"value":1155250.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.08 to $46.49, inclusive, on August 22, 2018 and from $46.48 to $46.79, inclusive, on August 23, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11324303,"source":{"system":"sec-edgar","filing":"0001209191-18-048265","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048265/doc4.xml","form_type":"4"}},{"id":3837165,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-21T22:21:42.000Z","date":"2018-08-21","kind":"purchase","acquired":true,"shares":45000,"price":46.19,"value":2078550.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.65 to $45.78, inclusive, on August 17, 2018, from $45.92 to $45.95, inclusive, on August 20, 2018, and from $46.09 to $46.25, inclusive, on August 21, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11299303,"source":{"system":"sec-edgar","filing":"0001209191-18-047837","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118047837/doc4.xml","form_type":"4"}},{"id":3837164,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-21T22:21:42.000Z","date":"2018-08-20","kind":"purchase","acquired":true,"shares":7000,"price":45.94,"value":321580.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.65 to $45.78, inclusive, on August 17, 2018, from $45.92 to $45.95, inclusive, on August 20, 2018, and from $46.09 to $46.25, inclusive, on August 21, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11254303,"source":{"system":"sec-edgar","filing":"0001209191-18-047837","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118047837/doc4.xml","form_type":"4"}},{"id":3837163,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-21T22:21:42.000Z","date":"2018-08-17","kind":"purchase","acquired":true,"shares":15911,"price":45.77,"value":728246.47,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.65 to $45.78, inclusive, on August 17, 2018, from $45.92 to $45.95, inclusive, on August 20, 2018, and from $46.09 to $46.25, inclusive, on August 21, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11247303,"source":{"system":"sec-edgar","filing":"0001209191-18-047837","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118047837/doc4.xml","form_type":"4"}},{"id":3841620,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-16T22:31:06.000Z","date":"2018-08-15","kind":"purchase","acquired":true,"shares":65000,"price":44.77,"value":2910050.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.75 to $44.835, inclusive, on August 15, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11231392,"source":{"system":"sec-edgar","filing":"0001209191-18-047178","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118047178/doc4.xml","form_type":"4"}},{"id":3844643,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-14T22:24:32.000Z","date":"2018-08-14","kind":"purchase","acquired":true,"shares":3650,"price":45.08,"value":164542.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.92 to $45.10, inclusive, on August 10, 2018, from $44.44 to $44.54, inclusive, on August 13, 2018, and from $45.05 to $45.10, inclusive, on August 14, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11166392,"source":{"system":"sec-edgar","filing":"0001209191-18-046674","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046674/doc4.xml","form_type":"4"}},{"id":3844642,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-14T22:24:32.000Z","date":"2018-08-13","kind":"purchase","acquired":true,"shares":45000,"price":44.5,"value":2002500.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.92 to $45.10, inclusive, on August 10, 2018, from $44.44 to $44.54, inclusive, on August 13, 2018, and from $45.05 to $45.10, inclusive, on August 14, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11162742,"source":{"system":"sec-edgar","filing":"0001209191-18-046674","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046674/doc4.xml","form_type":"4"}},{"id":3844641,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-14T22:24:32.000Z","date":"2018-08-10","kind":"purchase","acquired":true,"shares":64692,"price":45.03,"value":2913080.76,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.92 to $45.10, inclusive, on August 10, 2018, from $44.44 to $44.54, inclusive, on August 13, 2018, and from $45.05 to $45.10, inclusive, on August 14, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11117742,"source":{"system":"sec-edgar","filing":"0001209191-18-046674","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046674/doc4.xml","form_type":"4"}},{"id":3848447,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-09T21:45:15.000Z","date":"2018-08-09","kind":"purchase","acquired":true,"shares":5000,"price":46.03,"value":230150.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.80 to $46.00, inclusive, on August 7, 2018, from $45.76 to $45.95, inclusive, on August 8, 2018, and from $46.00 to $46.10, inclusive, on August 9, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11053050,"source":{"system":"sec-edgar","filing":"0001209191-18-046082","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046082/doc4.xml","form_type":"4"}},{"id":3848446,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-09T21:45:15.000Z","date":"2018-08-08","kind":"purchase","acquired":true,"shares":29867,"price":45.89,"value":1370596.63,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.80 to $46.00, inclusive, on August 7, 2018, from $45.76 to $45.95, inclusive, on August 8, 2018, and from $46.00 to $46.10, inclusive, on August 9, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11048050,"source":{"system":"sec-edgar","filing":"0001209191-18-046082","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046082/doc4.xml","form_type":"4"}},{"id":3848445,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-09T21:45:15.000Z","date":"2018-08-07","kind":"purchase","acquired":true,"shares":31656,"price":45.95,"value":1454593.2,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.80 to $46.00, inclusive, on August 7, 2018, from $45.76 to $45.95, inclusive, on August 8, 2018, and from $46.00 to $46.10, inclusive, on August 9, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11018183,"source":{"system":"sec-edgar","filing":"0001209191-18-046082","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046082/doc4.xml","form_type":"4"}},{"id":3851848,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-06T21:33:04.000Z","date":"2018-08-06","kind":"purchase","acquired":true,"shares":51000,"price":45.99,"value":2345490.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.77 to $46.00, inclusive, on August 3, 2018 and from $45.90 to $46.00, inclusive, on August 6, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10986527,"source":{"system":"sec-edgar","filing":"0001209191-18-045580","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118045580/doc4.xml","form_type":"4"}},{"id":3851847,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-06T21:33:04.000Z","date":"2018-08-03","kind":"purchase","acquired":true,"shares":75000,"price":45.92,"value":3444000.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.77 to $46.00, inclusive, on August 3, 2018 and from $45.90 to $46.00, inclusive, on August 6, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10935527,"source":{"system":"sec-edgar","filing":"0001209191-18-045580","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118045580/doc4.xml","form_type":"4"}},{"id":3854904,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-02T21:55:30.000Z","date":"2018-08-02","kind":"purchase","acquired":true,"shares":9833,"price":46.53,"value":457529.49,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.71 to $45.15, inclusive, on August 1, 2018, and from $44.98 to $45.98, and $45.99 to $46.63, inclusive, on August 2, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10860527,"source":{"system":"sec-edgar","filing":"0001209191-18-045049","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118045049/doc4.xml","form_type":"4"}},{"id":3854903,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-02T21:55:30.000Z","date":"2018-08-02","kind":"purchase","acquired":true,"shares":32089,"price":45.48,"value":1459407.72,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.71 to $45.15, inclusive, on August 1, 2018, and from $44.98 to $45.98, and $45.99 to $46.63, inclusive, on August 2, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10850694,"source":{"system":"sec-edgar","filing":"0001209191-18-045049","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118045049/doc4.xml","form_type":"4"}}],"next_cursor":"2018-08-02T21:55:30.000000Z,3854903"}