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Amended and Restated 2007 Equity Incentive Plan, as amended (the \"2007 Plan\")."}],"balance_after":38927,"source":{"system":"sec-edgar","filing":"0001677291-17-000004","document":"wf-form4_149065803323658.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1677291/000167729117000004/wf-form4_149065803323658.xml","form_type":"4"}},{"id":4489988,"issuer":{"id":2240,"kind":"organization","name":"Arq, Inc.","symbol":"ARQ"},"owners":[{"id":115127,"kind":"person","name":"Marken Greg","position":1,"cik":"0001677291","reported_name":"Marken Greg","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2017-01-17T12:58:55.000Z","date":"2017-01-12","kind":"tax_withholding","acquired":false,"shares":1034,"price":9.2,"value":9512.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the shares withheld to satisfy the statutory tax withholding obligations upon the vesting of 2,774 shares issued under the issuer's Amended and Restated 2010 Non-Management Compensation and Incentive Plan, as amended (the \"2010 Plan\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the amount shown, 17,773 shares are restricted stock issued pursuant to the 2010 Plan, not fully vested and subject to forfeiture, and 5,000 shares are restricted stock issued pursuant to the Advanced Emissions Solutions, Inc. Amended and Restated 2007 Equity Incentive Plan, as amended (the \"2007 Plan\"), not fully vested and subject to forfeiture. Total ownership reflects an immaterial correction to the amount previously reported."}],"balance_after":26427,"source":{"system":"sec-edgar","filing":"0001677291-17-000002","document":"wf-form4_148467592243648.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1677291/000167729117000002/wf-form4_148467592243648.xml","form_type":"4"}}]}