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As a result, the reported amount of ordinary shares beneficially owned by the Reporting Person on Forms 4 on and after February 10, 2017 was erroneously reduced by 913 ordinary shares."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Ordinary shares acquired upon mandatory conversion of previously granted Restricted Share Units."}],"balance_after":11509,"source":{"system":"sec-edgar","filing":"0001675399-17-000014","document":"wf-form4a_151137102483732.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1267395/000167539917000014/wf-form4a_151137102483732.xml","form_type":"4/A","original_submission_date":"2017-02-10"}},{"id":4248343,"issuer":{"id":9774,"kind":"organization","name":"ASPEN INSURANCE HOLDINGS LTD"},"owners":[{"id":164657,"kind":"person","name":"Lillelund Thomas","position":1,"cik":"0001675399","reported_name":"Lillelund Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Aspen Reinsurance"}}],"security":"Restricted Share Units 2016 (Off Cycle)","published_at":"2017-07-31T14:04:19.000Z","date":"2017-07-27","kind":"exercise","acquired":false,"shares":1826,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each Restricted Share Unit represents the right to receive one share of the Issuer's Ordinary Shares."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Each Restricted Share Unit represents the right to receive one share of the Issuer's Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Represents 2016 Restricted Share Units granted on July 27, 2016 under our 2013 Share Incentive Plan, as amended. One-third of the 2016 Restricted Share Units vests annually on the anniversary of the grant date over a three-year period, in each case subject to the Reporting Person's continued service. Upon vesting of the 2016 Restricted Share Units, the Reporting Person shall be entitled to received a number of Ordinary Shares equal to the number of Restricted Share Units then vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Represents 2016 Restricted Share Units granted on July 27, 2016 under our 2013 Share Incentive Plan, as amended. One-third of the 2016 Restricted Share Units vests annually on the anniversary of the grant date over a three-year period, in each case subject to the Reporting Person's continued service. 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One-third of the 2014 Restricted Share Units vests annually on the anniversary of the grant date over a three-year period, in each case subject to the Reporting Person's continued service. Upon vesting of the 2014 Restricted Share Units, the Reporting Person shall be entitled to received a number of Ordinary Shares equal to the number of Restricted Share Units then vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Represents 2014 Restricted Share Units granted on April 25, 2014 under our 2013 Share Incentive Plan as amended. One-third of the 2014 Restricted Share Units vests annually on the anniversary of the grant date over a three-year period, in each case subject to the Reporting Person's continued service. 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One-third of the 2015 Restricted Share Units vests annually on the anniversary of the grant date over a three-year period, in each case subject to the Reporting Person's continued service. Upon vesting of the 2015 Restricted Share Units, the Reporting Person shall be entitled to received a number of Ordinary Shares equal to the number of Restricted Share Units then vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Represents 2015 Restricted Share Units granted on March 5, 2015 under our 2013 Share Incentive Plan. One-third of the 2015 Restricted Share Units vests annually on the anniversary of the grant date over a three-year period, in each case subject to the Reporting Person's continued service. 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