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(the \"Issuer\") upon the exercise of a ten-year option granted to the Reporting Person as a non-employee director of the Issuer on February 15, 2023 under the Issuer's 2022 Stock Option and Incentive Plan. This option becomes exercisable in 36 monthly installments beginning on March 15, 2023, with 2,083 Option Shares becoming exercisable on each of the first 35 installments and the remaining 2,095 Option Shares becoming exercisable on the final installment, subject to the Reporting Person remaining in service as a member of the Issuer's board of directors on each installment date. 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The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC staff, Federal Signal Corporation, or a security holder of Federal Signal Corporation."}],"balance_after":73964,"source":{"system":"sec-edgar","filing":"0001659154-20-000066","document":"wf-form4_159796134206674.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277509/000165915420000066/wf-form4_159796134206674.xml","form_type":"4"}},{"id":3172094,"issuer":{"id":3709,"kind":"organization","name":"FEDERAL SIGNAL CORP /DE/","symbol":"FSS"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-04-22T20:42:05.000Z","date":"2020-04-21","kind":"grant","acquired":true,"shares":3721,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":98964,"source":{"system":"sec-edgar","filing":"0001659154-20-000031","document":"wf-form4_158758810759230.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277509/000165915420000031/wf-form4_158758810759230.xml","form_type":"4"}},{"id":3442145,"issuer":{"id":140519,"kind":"organization","name":"HighPoint Resources Corp","symbol":"HPR"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-08-09T13:11:55.000Z","date":"2019-08-08","kind":"purchase","acquired":true,"shares":20000,"price":1.15,"value":23000.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 66,844 shares subject to forfeiture and vesting requirements."}],"balance_after":207150,"source":{"system":"sec-edgar","filing":"0001725526-19-000150","document":"wf-form4_156537069901393.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1386109/000172552619000150/wf-form4_156537069901393.xml","form_type":"4"}},{"id":3501787,"issuer":{"id":140519,"kind":"organization","name":"HighPoint Resources Corp","symbol":"HPR"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-04T18:40:34.000Z","date":"2019-06-01","kind":"grant","acquired":true,"shares":66844,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Grant of restricted stock units that convert into common stock on a one-for-one basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Each director who is not an employee of the Company (an \"Outside Director\") is entitled to an annual equity grant in the form of restricted common stock units (\"RSUs\") pursuant to the Issuer's 2012 Equity Incentive Plan (the \"2012 Plan\"). RSUs representing shares of common stock having a fair market value of $125,000 determined in accordance with the 2012 Plan are granted to each Outside Director on June 1 of each year (the \"Date of Grant\"). All RSUs will vest on the earlier to occur of the first anniversary of the Date of Grant or such date that the Outside Director ceases to be a director other than as a result of removal from office. The RSUs will be settled by the delivery of shares of common stock on the later of the vesting date or such later date elected by the Outside Director in accordance with the RSU agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 66,844 shares subject to forfeiture and vesting requirements."}],"balance_after":187150,"source":{"system":"sec-edgar","filing":"0001725526-19-000114","document":"wf-form4_155968801948082.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1386109/000172552619000114/wf-form4_155968801948082.xml","form_type":"4"}},{"id":3546098,"issuer":{"id":3709,"kind":"organization","name":"FEDERAL SIGNAL CORP /DE/","symbol":"FSS"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-04-30T22:49:01.000Z","date":"2019-04-30","kind":"grant","acquired":true,"shares":3476,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":95243,"source":{"system":"sec-edgar","filing":"0001659154-19-000041","document":"wf-form4_155666452634642.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277509/000165915419000041/wf-form4_155666452634642.xml","form_type":"4"}},{"id":3837967,"issuer":{"id":140519,"kind":"organization","name":"HighPoint Resources Corp","symbol":"HPR"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-08-20T15:28:56.000Z","date":"2018-08-17","kind":"purchase","acquired":true,"shares":5000,"price":5.07,"value":25350.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 17,985 shares subject to forfeiture and vesting requirements."}],"balance_after":120306,"source":{"system":"sec-edgar","filing":"0001725526-18-000155","document":"wf-form4_153479332057991.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1386109/000172552618000155/wf-form4_153479332057991.xml","form_type":"4"}},{"id":3904562,"issuer":{"id":140519,"kind":"organization","name":"HighPoint Resources Corp","symbol":"HPR"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-06-05T15:48:56.000Z","date":"2018-06-01","kind":"grant","acquired":true,"shares":17985,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Grant of restricted stock units that convert into common stock on a one-for-one basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Each director who is not an employee of the Company (an \"Outside Director\") is entitled to an annual equity grant in the form of restricted common stock units (\"RSUs\") pursuant to the Issuer's 2012 Equity Incentive Plan (the \"2012 Plan\"). RSUs representing shares of common stock having a fair market value of $125,000 determined in accordance with the 2012 Plan will be granted to each Outside Director on June 1 of each year (the \"Date of Grant\"). All RSUs will vest on the earlier to occur of the first anniversary of the Date of Grant or such date that the Outside Director ceases to be a director other than as a result of removal from office. The RSUs will be settled by the delivery of shares of common stock on the later of the vesting date or such later date elected by the Outside Director in accordance with the RSU agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 17,985 shares subject to forfeiture and vesting requirements."}],"balance_after":115306,"source":{"system":"sec-edgar","filing":"0001725526-18-000114","document":"wf-form4_152822811938418.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1386109/000172552618000114/wf-form4_152822811938418.xml","form_type":"4"}},{"id":3949020,"issuer":{"id":3709,"kind":"organization","name":"FEDERAL SIGNAL CORP /DE/","symbol":"FSS"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-03T15:12:26.000Z","date":"2018-05-01","kind":"grant","acquired":true,"shares":4658,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":91767,"source":{"system":"sec-edgar","filing":"0001659154-18-000023","document":"wf-form4_152536033282392.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277509/000165915418000023/wf-form4_152536033282392.xml","form_type":"4"}},{"id":3988988,"issuer":{"id":140519,"kind":"organization","name":"HighPoint Resources Corp","symbol":"HPR"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-03-19T20:06:43.000Z","date":"2018-03-19","kind":"grant","acquired":true,"shares":97321,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Received in exchange for 97,321 shares of Bill Barrett Corporation common stock in connection with merger of Bill Barrett Corporation into HighPoint Resources Corporation (the \"Merger\"). On the effective date of the Merger, the closing price of Bill Barrett Corporation's common stock was $4.84."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 35,612 shares subject to forfeiture and vesting requirements."}],"balance_after":97321,"source":{"system":"sec-edgar","filing":"0001725526-18-000064","document":"wf-form4_152150439039895.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1386109/000172552618000064/wf-form4_152150439039895.xml","form_type":"4"}},{"id":3989974,"issuer":{"id":13828,"kind":"organization","name":"BILL BARRETT CORP","symbol":"BBG"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-03-19T17:35:40.000Z","date":"2018-03-19","kind":"disposition_to_issuer","acquired":false,"shares":97321,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Disposed of pursuant to merger agreement between Bill Barrett Corporation and Fifth Creek Energy Operating Company LLC, among other parties, in exchange for 97,321 shares of HighPoint Resources Corporation common stock having a market value of $4.84 per share, the closing price of Bill Barrett Corporation on the effective date of the merger."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001172139-18-000067","document":"wf-form4_152149532574340.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1172139/000117213918000067/wf-form4_152149532574340.xml","form_type":"4"}},{"id":4101305,"issuer":{"id":159460,"kind":"organization","name":"CLOUD PEAK ENERGY INC.","symbol":"CLD"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-01-11T13:41:21.000Z","date":"2018-01-10","kind":"grant","acquired":true,"shares":17442,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These shares represent restricted stock units which will be settled in common stock. The shares of common stock subject to these restricted stock units are payable on the date the director retires or resigns from the Board of Directors of Cloud Peak Energy Inc. (or, if earlier, upon the occurrence of a change in control), provided, however, that if the director retires or resigns before the one-year anniversary of the grant date, the number of shares shall be prorated. As permitted by the applicable award documents, the director elected to defer payment of the shares until the first anniversary of the director's retirement or resignation, subject to earlier payment upon a change in control."},{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units which will be settled in common stock. The shares of common stock subject to these restricted stock units are payable on the date the director retires or resigns from the Board of Directors of Cloud Peak Energy Inc. (or, if earlier, upon the occurrence of a change in control), provided, however, that if the director retires or resigns before the one-year anniversary of the grant date, the number of shares shall be prorated. As permitted by the applicable award documents, the director elected to defer payment of the shares until the first anniversary of the director's retirement or resignation, subject to earlier payment upon a change in control."}],"balance_after":111942,"source":{"system":"sec-edgar","filing":"0001104659-18-001810","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1441849/000110465918001810/a4.xml","form_type":"4"}},{"id":4293182,"issuer":{"id":13828,"kind":"organization","name":"BILL BARRETT CORP","symbol":"BBG"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-06-05T17:37:28.000Z","date":"2017-06-01","kind":"grant","acquired":true,"shares":35612,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Grant of restricted stock units that convert into common stock on a one-for-one basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Each director who is not an employee of the Company (an \"Outside Director\") is entitled to an annual equity grant in the form of restricted common stock units (\"RSUs\") pursuant to the Issuer's 2012 Equity Incentive Plan (the \"2012 Plan\"). RSUs representing shares of common stock having a fair market value of $125,000 determined in accordance with the 2012 Plan will be granted to each Outside Director on June 1 of each year (the \"Date of Grant\"). All RSUs will vest on the earlier to occur of the first anniversary of the Date of Grant or such date that the Outside Director ceases to be a director other than as a result of removal from office.  The RSUs will be settled by the delivery of shares of common stock on the later of the vesting date or such later date elected by the Outside Director in accordance with the RSU agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 40,777 restricted stock units that have vested that the reporting person has elected to defer settlement to a later date and 35,612 shares subject to forfeiture and vesting requirements."}],"balance_after":97321,"source":{"system":"sec-edgar","filing":"0001172139-17-000090","document":"wf-form4_149669863151417.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1172139/000117213917000090/wf-form4_149669863151417.xml","form_type":"4"}},{"id":4346161,"issuer":{"id":3709,"kind":"organization","name":"FEDERAL SIGNAL CORP /DE/","symbol":"FSS"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-04-25T14:55:44.000Z","date":"2017-04-21","kind":"grant","acquired":true,"shares":5548,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":87109,"source":{"system":"sec-edgar","filing":"0001659154-17-000035","document":"wf-form4_149313213080684.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/277509/000165915417000035/wf-form4_149313213080684.xml","form_type":"4"}},{"id":4496328,"issuer":{"id":159460,"kind":"organization","name":"CLOUD PEAK ENERGY INC.","symbol":"CLD"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-01-06T12:23:11.000Z","date":"2017-01-04","kind":"grant","acquired":true,"shares":16015,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These shares represent restricted stock units which will be settled in common stock. The shares of common stock subject to these restricted stock units are payable on the date the director retires or resigns from the Board of Directors of Cloud Peak Energy Inc. (or, if earlier, upon the occurrence of a change in control), provided, however, that if the director retires or resigns before the one-year anniversary of the grant date, the number of shares shall be prorated. As permitted by the applicable award documents, the director elected to defer payment of the shares until the first anniversary of the director's retirement or resignation, subject to earlier payment upon a change in control."},{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units which will be settled in common stock. The shares of common stock subject to these restricted stock units are payable on the date the director retires or resigns from the Board of Directors of Cloud Peak Energy Inc. (or, if earlier, upon the occurrence of a change in control), provided, however, that if the director retires or resigns before the one-year anniversary of the grant date, the number of shares shall be prorated. As permitted by the applicable award documents, the director elected to defer payment of the shares until the first anniversary of the director's retirement or resignation, subject to earlier payment upon a change in control."}],"balance_after":94500,"source":{"system":"sec-edgar","filing":"0001104659-17-001124","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1441849/000110465917001124/a4.xml","form_type":"4"}},{"id":4516135,"issuer":{"id":11887,"kind":"organization","name":"KEY ENERGY SERVICES INC","symbol":"KEGX"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrant (right to buy)","published_at":"2016-12-20T21:42:50.000Z","date":"2016-12-15","kind":"purchase","acquired":true,"shares":1034,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The warrant will be exercisable for one share of Common Stock ($0.01 par value) on the earlier to occur of the expiration date or the date of completion of a merger, sale or other reorganization transaction that results in the Common Stock being converted into cash."}],"balance_after":2068,"derivative":{"exercise_price":54.4,"expiration_date":"2021-12-15","underlying":"Common Stock ($0.01 par value)","underlying_shares":1034},"source":{"system":"sec-edgar","filing":"0001209191-16-156243","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/318996/000120919116156243/doc4.xml","form_type":"4"}},{"id":4516134,"issuer":{"id":11887,"kind":"organization","name":"KEY ENERGY SERVICES INC","symbol":"KEGX"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrant (right to buy)","published_at":"2016-12-20T21:42:50.000Z","date":"2016-12-15","kind":"purchase","acquired":true,"shares":1034,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The warrant will be exercisable for one share of Common Stock ($0.01 par value) on the earlier to occur of the expiration date or the date of completion of a merger, sale or other reorganization transaction that results in the Common Stock being converted into cash."}],"balance_after":1034,"derivative":{"exercise_price":43.52,"expiration_date":"2020-12-15","underlying":"Common Stock ($0.01 par value)","underlying_shares":1034},"source":{"system":"sec-edgar","filing":"0001209191-16-156243","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/318996/000120919116156243/doc4.xml","form_type":"4"}},{"id":4516133,"issuer":{"id":11887,"kind":"organization","name":"KEY ENERGY SERVICES INC","symbol":"KEGX"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock ($0.01 par value)","published_at":"2016-12-20T21:42:50.000Z","date":"2016-12-15","kind":"other","acquired":true,"shares":917,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"In connection with the Issuer's reorganization pursuant to bankruptcy, all unvested restricted stock awards received 100% accelerated vesting. Pursuant to a reclassification exempt under Rule 16b-7, each then-vested share of Common Stock ($0.10 par value) was cancelled, and new vested securities (Common Stock at $0.01 par value) were issued to the insider, along with warrants described below."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In connection with the Issuer's reorganization pursuant to bankruptcy, all unvested restricted stock awards received 100% accelerated vesting. Pursuant to a reclassification exempt under Rule 16b-7, each then-vested share of Common Stock ($0.10 par value) was cancelled, and new vested securities (Common Stock at $0.01 par value) were issued to the insider, along with warrants described below."}],"balance_after":917,"source":{"system":"sec-edgar","filing":"0001209191-16-156243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/318996/000120919116156243/doc4.xml","form_type":"4"}},{"id":4516132,"issuer":{"id":11887,"kind":"organization","name":"KEY ENERGY SERVICES INC","symbol":"KEGX"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock ($0.10 par value)","published_at":"2016-12-20T21:42:50.000Z","date":"2016-12-15","kind":"other","acquired":false,"shares":179714,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"In connection with the Issuer's reorganization pursuant to bankruptcy, all unvested restricted stock awards received 100% accelerated vesting. Pursuant to a reclassification exempt under Rule 16b-7, each then-vested share of Common Stock ($0.10 par value) was cancelled, and new vested securities (Common Stock at $0.01 par value) were issued to the insider, along with warrants described below."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In connection with the Issuer's reorganization pursuant to bankruptcy, all unvested restricted stock awards received 100% accelerated vesting. Pursuant to a reclassification exempt under Rule 16b-7, each then-vested share of Common Stock ($0.10 par value) was cancelled, and new vested securities (Common Stock at $0.01 par value) were issued to the insider, along with warrants described below."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-16-156243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/318996/000120919116156243/doc4.xml","form_type":"4"}},{"id":4590459,"issuer":{"id":13828,"kind":"organization","name":"BILL BARRETT CORP","symbol":"BBG"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"2015 Annual RSU Grant","published_at":"2016-10-03T17:11:11.000Z","date":"2016-06-01","kind":"exercise","acquired":false,"shares":17221,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each RSU represents a contingent right to receive one share of common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Represents the vesting of restricted stock units (\"RSUs\") previously granted to the reporting person on June 1, 2015. The reporting person has elected to defer settlement to a later date. This amendment is filed to report the vesting of such award."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Represents the vesting of restricted stock units (\"RSUs\") previously granted to the reporting person on June 1, 2015. The reporting person has elected to defer settlement to a later date. This amendment is filed to report the vesting of such award."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":17221},"source":{"system":"sec-edgar","filing":"0001172139-16-000242","document":"wf-form4a_147552905881229.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1172139/000117213916000242/wf-form4a_147552905881229.xml","form_type":"4/A","original_submission_date":"2015-06-03"}},{"id":4590458,"issuer":{"id":13828,"kind":"organization","name":"BILL BARRETT CORP","symbol":"BBG"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"2014 Annual RSU Grant","published_at":"2016-10-03T17:11:11.000Z","date":"2015-06-01","kind":"exercise","acquired":false,"shares":6000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each RSU represents a contingent right to receive one share of common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents the vesting of restricted stock units (\"RSUs\") previously granted to the reporting person on June 1, 2014. The reporting person has elected to defer settlement to a later date. This amendment is filed to report the vesting of such award."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents the vesting of restricted stock units (\"RSUs\") previously granted to the reporting person on June 1, 2014. The reporting person has elected to defer settlement to a later date. This amendment is filed to report the vesting of such award."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":6000},"source":{"system":"sec-edgar","filing":"0001172139-16-000242","document":"wf-form4a_147552905881229.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1172139/000117213916000242/wf-form4a_147552905881229.xml","form_type":"4/A","original_submission_date":"2015-06-03"}},{"id":4590457,"issuer":{"id":13828,"kind":"organization","name":"BILL BARRETT CORP","symbol":"BBG"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-10-03T17:11:11.000Z","date":"2016-06-01","kind":"grant","acquired":true,"shares":17556,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Grant of restricted stock units that convert into common stock on a one-for-one basis. Because the RSUs convert to common stock on a one-for-one basis, the Form 4 is being amended to report the restricted stock units on Table I rather than Table II as previously reported."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes 23,221 restricted stock units that have vested that the reporting person has elected to defer settlement to a later date and 17,556 unvested restricted stock units."}],"balance_after":61709,"source":{"system":"sec-edgar","filing":"0001172139-16-000242","document":"wf-form4a_147552905881229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1172139/000117213916000242/wf-form4a_147552905881229.xml","form_type":"4/A","original_submission_date":"2015-06-03"}},{"id":4590456,"issuer":{"id":13828,"kind":"organization","name":"BILL BARRETT CORP","symbol":"BBG"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-10-03T17:11:11.000Z","date":"2016-06-01","kind":"exercise","acquired":true,"shares":17221,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the vesting of restricted stock units (\"RSUs\") previously granted to the reporting person on June 1, 2015. The reporting person has elected to defer settlement to a later date. This amendment is filed to report the vesting of such award."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 23,221 restricted stock units that have vested that the reporting person has elected to defer settlement to a later date."}],"balance_after":44153,"source":{"system":"sec-edgar","filing":"0001172139-16-000242","document":"wf-form4a_147552905881229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1172139/000117213916000242/wf-form4a_147552905881229.xml","form_type":"4/A","original_submission_date":"2015-06-03"}},{"id":4590455,"issuer":{"id":13828,"kind":"organization","name":"BILL BARRETT CORP","symbol":"BBG"},"owners":[{"id":91835,"kind":"person","name":"Owens William F","position":1,"cik":"0001386109","reported_name":"Owens William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-10-03T17:11:11.000Z","date":"2015-06-01","kind":"exercise","acquired":true,"shares":6000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the vesting of restricted stock units (\"RSUs\") previously granted to the reporting person on June 1, 2014. The reporting person has elected to defer settlement to a later date. This amendment is filed to report the vesting of such award."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 6,000 restricted stock units that have vested that the reporting person has elected to defer settlement to a later date."}],"balance_after":26932,"source":{"system":"sec-edgar","filing":"0001172139-16-000242","document":"wf-form4a_147552905881229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1172139/000117213916000242/wf-form4a_147552905881229.xml","form_type":"4/A","original_submission_date":"2015-06-03"}}]}