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On December 15, 2017, 2,315 of the reporting person's restricted stock units vested and were settled for an equal number of shares of AECOM common stock less any applicable tax withholding."}],"balance_after":2315,"derivative":{"exercise_date":"2017-12-15","underlying":"Common Stock","underlying_shares":2315},"source":{"system":"sec-edgar","filing":"0001179110-17-015572","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/868857/000117911017015572/edgar.xml","form_type":"4"}},{"id":4129339,"issuer":{"id":3602,"kind":"organization","name":"AECOM","symbol":"ACM"},"owners":[{"id":37887,"kind":"person","name":"Poloni Lara","position":1,"cik":"0001723099","reported_name":"Poloni Lara","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive, EMIA"}}],"security":"Common Stock","published_at":"2017-12-19T02:58:30.000Z","date":"2017-12-15","kind":"grant","acquired":true,"shares":2765,"price":36.93,"value":102111.45,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares acquired pursuant to AECOM's Performance Earnings Program under 2006 Stock Incentive Plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the terms of AECOM's Performance Earnings Program, the calculation to determine the number of shares awarded under the Program was performed using a per share value equal to the closing price on December 15, 2017."}],"balance_after":8871,"source":{"system":"sec-edgar","filing":"0001179110-17-015572","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/868857/000117911017015572/edgar.xml","form_type":"4"}},{"id":4129338,"issuer":{"id":3602,"kind":"organization","name":"AECOM","symbol":"ACM"},"owners":[{"id":37887,"kind":"person","name":"Poloni Lara","position":1,"cik":"0001723099","reported_name":"Poloni Lara","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive, EMIA"}}],"security":"Common Stock","published_at":"2017-12-19T02:58:30.000Z","date":"2017-12-15","kind":"tax_withholding","acquired":false,"shares":104,"price":36.93,"value":3840.72,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represented a contingent right to receive one share of AECOM common stock. 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