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(\"Merger Sub\"), dated as of December 2, 2019 (the \"Merger Agreement\"), on March 13, 2020, Merger Sub merged with and into AK Steel, and AK Steel survived as a direct subsidiary of the Issuer (the \"Merger\").  In the Merger, each share of common stock, par value $0.01 per share, of AK Steel (\"AK Steel Common Stock\") held by the Reporting Person was converted into the right to receive 0.400 Common Shares, par value $0.125 per share, of the Issuer (plus any cash in lieu of fractional shares)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Additionally, in the Merger, each AK Steel restricted stock unit (\"AK Steel RSU\") held by the Reporting Person was converted into a restricted stock unit relating to a number of whole Issuer Common Shares equal to (A) the number of shares of AK Steel Common Stock subject to such AK Steel RSU immediately prior to the effective time of the Merger multiplied by (B) 0.400."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Agreement and Plan of Merger among AK Steel Holding Corporation (\"AK Steel\"), the Issuer, and Pepper Merger Sub Inc. 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In the Merger, each share of common stock, par value $0.01 per share, of AK Steel (\"AK Steel Common Stock\") held by the Reporting Person was converted into the right to receive 0.400 Common Shares, par value $0.125 per share, of the Issuer (plus any cash in lieu of fractional shares)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Additionally, in the Merger, each AK Steel restricted stock unit (\"AK Steel RSU\") held by the Reporting Person was converted into a restricted stock unit relating to a number of whole Issuer Common Shares equal to (A) the number of shares of AK Steel Common Stock subject to such AK Steel RSU immediately prior to the effective time of the Merger multiplied by (B) 0.400."}],"balance_after":40335,"source":{"system":"sec-edgar","filing":"0000764065-20-000121","document":"wf-form4_158448954711003.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/764065/000076406520000121/wf-form4_158448954711003.xml","form_type":"4"}},{"id":3211851,"issuer":{"id":150673,"kind":"organization","name":"AK STEEL HOLDING CORP","symbol":"AKS"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-03-13T17:48:36.000Z","date":"2020-03-13","kind":"disposition_to_issuer","acquired":false,"shares":100840.914,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects disposition in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated December 2, 2019 (the \"Merger Agreement\"), among the Issuer, Cleveland-Cliffs Inc. (\"Cliffs\") and Pepper Merger Sub Inc. (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer (the \"Merger\"), with the Issuer surviving the Merger as a wholly owned subsidiary of Cliffs, and each share of the Issuer's common stock, par value $0.01 per share (the \"Common Stock\"), outstanding immediately prior to the effective time of the Merger was converted into the right to receive 0.400 (the \"Exchange Ratio\") of a common share of Cliffs, together with cash in lieu of any fractional Cliffs common shares. The closing price of a share of Common Stock on March 12, 2020 (the last trading day prior to the Merger) was $1.55, and the closing price of a Cliffs common share on the same date was $4.06."},{"field":"shares","element":"transactionShares","label":"F2","text":"Includes 46,376.914 restricted stock units that, pursuant to the Merger Agreement, were converted into restricted stock units with respect to 18,550 Cliffs common shares."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects disposition in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated December 2, 2019 (the \"Merger Agreement\"), among the Issuer, Cleveland-Cliffs Inc. (\"Cliffs\") and Pepper Merger Sub Inc. 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stock units which give the reporting person a contractual right to receive at a future date one share of common stock of AK Steel Holding Corporation for each restricted stock unit held."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The number of securities reported in this column includes 24,009.137 restricted stock units held by the reporting person as of the date of this filing."}],"balance_after":41449.137,"source":{"system":"sec-edgar","filing":"0000918160-18-000151","document":"wf-form4_153860151562567.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/918160/000091816018000151/wf-form4_153860151562567.xml","form_type":"4"}},{"id":3855579,"issuer":{"id":150673,"kind":"organization","name":"AK STEEL HOLDING CORP","symbol":"AKS"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene 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filing."}],"balance_after":35394.91,"source":{"system":"sec-edgar","filing":"0000918160-18-000137","document":"wf-form4_153324450605155.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/918160/000091816018000137/wf-form4_153324450605155.xml","form_type":"4"}},{"id":3873250,"issuer":{"id":150673,"kind":"organization","name":"AK STEEL HOLDING CORP","symbol":"AKS"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-07-05T17:31:00.000Z","date":"2018-07-02","kind":"grant","acquired":true,"shares":6594.037,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The securities reported in this column consist of restricted stock units which give the reporting person a contractual right to receive at a future date one share of common stock of AK Steel Holding Corporation for each restricted stock unit held."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The number of securities reported in this column includes 22,376.761 restricted stock units held by the reporting person as of the date of this filing."}],"balance_after":35211.761,"source":{"system":"sec-edgar","filing":"0000918160-18-000118","document":"wf-form4_153082624474442.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/918160/000091816018000118/wf-form4_153082624474442.xml","form_type":"4"}},{"id":3970716,"issuer":{"id":150673,"kind":"organization","name":"AK STEEL HOLDING CORP","symbol":"AKS"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene 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filing."}],"balance_after":28617.887,"source":{"system":"sec-edgar","filing":"0000918160-18-000080","document":"wf-form4_152287774311348.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/918160/000091816018000080/wf-form4_152287774311348.xml","form_type":"4"}},{"id":4108782,"issuer":{"id":150673,"kind":"organization","name":"AK STEEL HOLDING CORP","symbol":"AKS"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-01-04T18:31:34.000Z","date":"2018-01-02","kind":"grant","acquired":true,"shares":4795.663,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The securities reported in this column consist of restricted stock units which give the reporting person a contractual right to receive at a future date one share of common stock of AK Steel Holding Corporation for each restricted stock unit held."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The number of securities reported in this column includes 22,235.802 restricted stock units held by the reporting person as of the date of this filing."}],"balance_after":22235.802,"source":{"system":"sec-edgar","filing":"0000918160-18-000010","document":"wf-form4_151510867976108.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/918160/000091816018000010/wf-form4_151510867976108.xml","form_type":"4"}},{"id":4192709,"issuer":{"id":150673,"kind":"organization","name":"AK STEEL HOLDING CORP","symbol":"AKS"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene 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filing."}],"balance_after":17440.139,"source":{"system":"sec-edgar","filing":"0000918160-17-000164","document":"wf-form4_150715133245723.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/918160/000091816017000164/wf-form4_150715133245723.xml","form_type":"4"}},{"id":4262541,"issuer":{"id":150673,"kind":"organization","name":"AK STEEL HOLDING CORP","symbol":"AKS"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-06T17:14:26.000Z","date":"2017-07-03","kind":"grant","acquired":true,"shares":4029.163,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The securities reported in this column consist of restricted stock units which give the reporting person a contractual right to receive at a future date one share of common stock of AK Steel Holding Corporation for each restricted stock unit held."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The number of securities reported in this column includes 12,834.876 restricted stock units held by the reporting person as of the date of this filing."}],"balance_after":12834.876,"source":{"system":"sec-edgar","filing":"0000918160-17-000138","document":"wf-form4_149937565109413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/918160/000091816017000138/wf-form4_149937565109413.xml","form_type":"4"}},{"id":4359086,"issuer":{"id":150673,"kind":"organization","name":"AK STEEL HOLDING CORP","symbol":"AKS"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene 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filing."}],"balance_after":8805.713,"source":{"system":"sec-edgar","filing":"0000918160-17-000095","document":"wf-form4_149142888247721.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/918160/000091816017000095/wf-form4_149142888247721.xml","form_type":"4"}},{"id":4493303,"issuer":{"id":150673,"kind":"organization","name":"AK STEEL HOLDING CORP","symbol":"AKS"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-01-11T17:05:28.000Z","date":"2017-01-09","kind":"grant","acquired":true,"shares":5147.176,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The securities reported in this column consist of restricted stock units which give the reporting person a contractual right to receive at a future date one share of common stock of AK Steel Holding Corporation for each restricted stock unit held."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The number of securities reported in this column includes 5,147.176 restricted stock units held by the reporting person as of the date of this filing."}],"balance_after":5147.176,"source":{"system":"sec-edgar","filing":"0000918160-17-000018","document":"wf-form4_148417231476881.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/918160/000091816017000018/wf-form4_148417231476881.xml","form_type":"4"}},{"id":4607253,"issuer":{"id":11887,"kind":"organization","name":"KEY ENERGY SERVICES INC","symbol":"KEGX"},"owners":[{"id":51554,"kind":"person","name":"Yocum Arlene M","position":1,"cik":"0001342861","reported_name":"Yocum Arlene 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These shares were sold in multiple transactions at prices ranging from $0.055 to $0.058. The reporting person undertakes to provide to the company, any security holder of the company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth above."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-16-140747","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/318996/000120919116140747/doc4.xml","form_type":"4"}}]}