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The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such price range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Total includes 291 shares purchased on 6/30/2022 pursuant to the Assured Guaranty Ltd. 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The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such price range."}],"balance_after":105927.4953,"source":{"system":"sec-edgar","filing":"0001209191-22-014972","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919122014972/doc4.xml","form_type":"4"}},{"id":2360055,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2022-03-02T22:37:40.000Z","date":"2022-03-01","kind":"sale","acquired":false,"shares":39800,"price":59.06,"value":2350588.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $58.5389 and $59.4838 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such price range."}],"balance_after":126127.4953,"source":{"system":"sec-edgar","filing":"0001209191-22-014972","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919122014972/doc4.xml","form_type":"4"}},{"id":2364833,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2022-03-01T23:11:09.000Z","date":"2022-02-27","kind":"grant","acquired":true,"shares":3575,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the determination of the number of common shares to be delivered based on the achievement of relative total shareholder value targets. These shares have vested and will be delivered on February 27, 2023, subject to continued compliance with the terms of the award agreement."}],"balance_after":165927.4953,"source":{"system":"sec-edgar","filing":"0001209191-22-014291","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919122014291/doc4.xml","form_type":"4"}},{"id":2364832,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2022-03-01T23:11:09.000Z","date":"2022-02-27","kind":"tax_withholding","acquired":false,"shares":4584,"price":63.64,"value":291725.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."}],"balance_after":162352.4953,"source":{"system":"sec-edgar","filing":"0001209191-22-014291","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919122014291/doc4.xml","form_type":"4"}},{"id":2364831,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2022-03-01T23:11:09.000Z","date":"2022-02-27","kind":"grant","acquired":true,"shares":8978,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the vesting of performance share units based on the achievement of core adjusted book value targets."}],"balance_after":166936.4953,"source":{"system":"sec-edgar","filing":"0001209191-22-014291","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919122014291/doc4.xml","form_type":"4"}},{"id":2364830,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2022-03-01T23:11:09.000Z","date":"2022-02-27","kind":"tax_withholding","acquired":false,"shares":3101,"price":63.64,"value":197347.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."}],"balance_after":157958.4953,"source":{"system":"sec-edgar","filing":"0001209191-22-014291","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919122014291/doc4.xml","form_type":"4"}},{"id":2371690,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2022-02-25T23:32:25.000Z","date":"2022-02-23","kind":"grant","acquired":true,"shares":4604,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\"). 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The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such price range."}],"balance_after":156240.4953,"source":{"system":"sec-edgar","filing":"0001209191-21-033183","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919121033183/doc4.xml","form_type":"4"}},{"id":2829349,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2021-02-26T21:39:55.000Z","date":"2021-02-24","kind":"grant","acquired":true,"shares":6759,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\"). With limited exceptions, the restricted stock units vest on 2/24/2024, assuming that the holder remains employed at such time. Upon vesting, one Common Share will be delivered for each vested restricted stock unit."}],"balance_after":206240.4953,"source":{"system":"sec-edgar","filing":"0001209191-21-014778","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919121014778/doc4.xml","form_type":"4"}},{"id":2838791,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Performance Share Units","published_at":"2021-02-24T01:07:04.000Z","date":"2021-02-21","kind":"exercise","acquired":false,"shares":9296,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\"). 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Using the highest 40-day average stock price during the performance period (7/1/2019 to 12/31/2020), approximately 179.75% of the performance share units granted became vested. 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Upon vesting, one Common Share will be delivered for each vested restricted stock unit."}],"balance_after":195574.4953,"source":{"system":"sec-edgar","filing":"0001209191-20-013833","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919120013833/doc4.xml","form_type":"4"}},{"id":3248848,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Performance Share Units","published_at":"2020-02-25T23:20:08.000Z","date":"2020-02-22","kind":"exercise","acquired":false,"shares":7872,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2018 to 12/31/2019), approximately 176.50% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by approximately 176.50%."},{"field":"deemedExecutionDate","element":"deemedExecutionDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2018 to 12/31/2019), approximately 176.50% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by approximately 176.50%."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2018 to 12/31/2019), approximately 176.50% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by approximately 176.50%."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2018 to 12/31/2019), approximately 176.50% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by approximately 176.50%."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total includes performance units from other tranches with different performance measures, performance periods and vesting dates."}],"balance_after":9296,"derivative":{"underlying":"Common Shares","underlying_shares":7872},"source":{"system":"sec-edgar","filing":"0001209191-20-012695","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919120012695/doc4.xml","form_type":"4"}},{"id":3248847,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2020-02-25T23:20:08.000Z","date":"2020-02-22","kind":"tax_withholding","acquired":false,"shares":6804,"price":46.3,"value":315025.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."}],"balance_after":190506.4953,"source":{"system":"sec-edgar","filing":"0001209191-20-012695","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919120012695/doc4.xml","form_type":"4"}},{"id":3248846,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2020-02-25T23:20:08.000Z","date":"2020-02-22","kind":"exercise","acquired":true,"shares":13894,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2018 to 12/31/2019), approximately 176.50% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by approximately 176.50%."}],"balance_after":197310.4953,"source":{"system":"sec-edgar","filing":"0001209191-20-012695","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919120012695/doc4.xml","form_type":"4"}},{"id":3248845,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2020-02-25T23:20:08.000Z","date":"2020-02-22","kind":"tax_withholding","acquired":false,"shares":3906,"price":46.3,"value":180847.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Total includes 237 shares purchased on 12/31/2019 pursuant to the Assured Guaranty Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3."}],"balance_after":183416.4953,"source":{"system":"sec-edgar","filing":"0001209191-20-012695","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919120012695/doc4.xml","form_type":"4"}},{"id":3416112,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Options to Acquire Common Shares","published_at":"2019-09-12T20:42:04.000Z","date":"2019-09-10","kind":"exercise","acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Options vested as follows: 1/3 on February 24, 2011, 1/3 on February 24, 2012 and 1/3 on February 24, 2013."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"All options of this tranche have been exercised. Total includes options from other tranches with different exercise prices, vesting dates and expiration dates, but does not include 17,168 performance share units of various tranches."}],"balance_after":0,"derivative":{"exercise_price":19.79,"expiration_date":"2020-02-24","underlying":"Common Shares","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001209191-19-049333","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119049333/doc4.xml","form_type":"4"}},{"id":3416111,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Options to Acquire Common Shares","published_at":"2019-09-12T20:42:04.000Z","date":"2019-09-10","kind":"exercise","acquired":false,"shares":4058,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"All options of this tranche have been exercised. Total includes options from other tranches with different exercise prices, vesting dates and expiration dates, but does not include 17,168 performance share units of various tranches."}],"balance_after":10000,"derivative":{"exercise_price":19.24,"exercise_date":"2016-02-07","expiration_date":"2020-02-07","underlying":"Common Shares","underlying_shares":4058},"source":{"system":"sec-edgar","filing":"0001209191-19-049333","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119049333/doc4.xml","form_type":"4"}},{"id":3416110,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2019-09-12T20:42:04.000Z","date":"2019-09-10","kind":"sale","acquired":false,"shares":10000,"price":44.26,"value":442600.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $44.16 and $44.41 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such price range."}],"balance_after":187085.4953,"source":{"system":"sec-edgar","filing":"0001209191-19-049333","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119049333/doc4.xml","form_type":"4"}},{"id":3416109,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2019-09-12T20:42:04.000Z","date":"2019-09-10","kind":"exercise","acquired":true,"shares":10000,"price":19.79,"value":197900.0,"ownership":{"direct":true},"balance_after":197085.4953,"source":{"system":"sec-edgar","filing":"0001209191-19-049333","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119049333/doc4.xml","form_type":"4"}},{"id":3416108,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2019-09-12T20:42:04.000Z","date":"2019-09-10","kind":"sale","acquired":false,"shares":4058,"price":44.29,"value":179728.82,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $44.24 and $44.39 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such price range."}],"balance_after":187085.4953,"source":{"system":"sec-edgar","filing":"0001209191-19-049333","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119049333/doc4.xml","form_type":"4"}},{"id":3416107,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2019-09-12T20:42:04.000Z","date":"2019-09-10","kind":"exercise","acquired":true,"shares":4058,"price":19.24,"value":78075.92,"ownership":{"direct":true},"balance_after":191143.4953,"source":{"system":"sec-edgar","filing":"0001209191-19-049333","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119049333/doc4.xml","form_type":"4"}},{"id":3622949,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2019-03-01T23:43:08.000Z","date":"2019-02-27","kind":"grant","acquired":true,"shares":5985,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\"). With limited exceptions, the restricted stock units vest on 2/27/2022, assuming that the holder remains employed at such time.  Upon vesting, one Common Share will be delivered for each vested restricted stock unit."}],"balance_after":187085.4953,"source":{"system":"sec-edgar","filing":"0001209191-19-015184","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119015184/doc4.xml","form_type":"4"}},{"id":3631645,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Performance Share Units","published_at":"2019-02-26T23:14:38.000Z","date":"2019-02-24","kind":"exercise","acquired":false,"shares":13386,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2017 to 12/31/2018), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"deemedExecutionDate","element":"deemedExecutionDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2017 to 12/31/2018), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2017 to 12/31/2018), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2017 to 12/31/2018), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total includes performance units from other tranches with different performance measures, performance periods and vesting dates, but does not include 14,750 outstanding options."}],"balance_after":17168,"derivative":{"underlying":"Common Shares","underlying_shares":13386},"source":{"system":"sec-edgar","filing":"0001209191-19-013707","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119013707/doc4.xml","form_type":"4"}},{"id":3631644,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2019-02-26T23:14:38.000Z","date":"2019-02-24","kind":"tax_withholding","acquired":false,"shares":13111,"price":41.55,"value":544762.05,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."}],"balance_after":181100.4953,"source":{"system":"sec-edgar","filing":"0001209191-19-013707","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119013707/doc4.xml","form_type":"4"}},{"id":3631643,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2019-02-26T23:14:38.000Z","date":"2019-02-24","kind":"exercise","acquired":true,"shares":26772,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2017 to 12/31/2018), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."}],"balance_after":194211.4953,"source":{"system":"sec-edgar","filing":"0001209191-19-013707","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119013707/doc4.xml","form_type":"4"}},{"id":3631642,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2019-02-26T23:14:38.000Z","date":"2019-02-24","kind":"tax_withholding","acquired":false,"shares":6610,"price":41.55,"value":274645.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Total includes 410 shares purchased on 6/30/2018 and 308 shares purchased on 12/31/2018 pursuant to the Assured Guaranty Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3."}],"balance_after":167439.4953,"source":{"system":"sec-edgar","filing":"0001209191-19-013707","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919119013707/doc4.xml","form_type":"4"}},{"id":3893636,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Options to Acquire Common Shares","published_at":"2018-06-14T20:32:40.000Z","date":"2018-06-13","kind":"exercise","acquired":false,"shares":3361,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects the amount of options that vested in accordance with the performance measures described in the Form 4 reporting the grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"All options of this tranche have been exercised. The total number of options from other tranches with different exercise prices, vesting terms and expiration dates is 14,750 (after taking into account 13,361 options exercised on 06/13/2018). The total number of performance share units from tranches with different performance measures, performance periods and vesting dates is 30,554."}],"balance_after":0,"derivative":{"exercise_price":17.44,"exercise_date":"2015-02-09","expiration_date":"2019-02-09","underlying":"Common Shares","underlying_shares":3361},"source":{"system":"sec-edgar","filing":"0001209191-18-037737","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118037737/doc4.xml","form_type":"4"}},{"id":3893635,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Options to Acquire Common Shares","published_at":"2018-06-14T20:32:40.000Z","date":"2018-06-13","kind":"exercise","acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Options vested as follows: 1/3 on 02/05/2010, 1/3 on 02/05/2011 and 1/3 on 02/05/2012."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"All options of this tranche have been exercised. The total number of options from other tranches with different exercise prices, vesting terms and expiration dates is 14,750 (after taking into account 13,361 options exercised on 06/13/2018). The total number of performance share units from tranches with different performance measures, performance periods and vesting dates is 30,554."}],"balance_after":0,"derivative":{"exercise_price":7.44,"expiration_date":"2019-02-05","underlying":"Common Shares","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001209191-18-037737","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118037737/doc4.xml","form_type":"4"}},{"id":3893634,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2018-06-14T20:32:40.000Z","date":"2018-06-13","kind":"sale","acquired":false,"shares":3361,"price":37.77,"value":126944.97,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $37.768 and $37.77 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent."}],"balance_after":173331.4953,"source":{"system":"sec-edgar","filing":"0001209191-18-037737","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118037737/doc4.xml","form_type":"4"}},{"id":3893633,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2018-06-14T20:32:40.000Z","date":"2018-06-13","kind":"exercise","acquired":true,"shares":3361,"price":17.44,"value":58615.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects the amount of options that vested in accordance with the performance measures described in the Form 4 reporting the grant."}],"balance_after":176692.4953,"source":{"system":"sec-edgar","filing":"0001209191-18-037737","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118037737/doc4.xml","form_type":"4"}},{"id":3893632,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2018-06-14T20:32:40.000Z","date":"2018-06-13","kind":"sale","acquired":false,"shares":10000,"price":37.67,"value":376700.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $37.59 and $37.77 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent."}],"balance_after":173331.4953,"source":{"system":"sec-edgar","filing":"0001209191-18-037737","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118037737/doc4.xml","form_type":"4"}},{"id":3893631,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2018-06-14T20:32:40.000Z","date":"2018-06-13","kind":"exercise","acquired":true,"shares":10000,"price":7.44,"value":74400.0,"ownership":{"direct":true},"balance_after":183331.4953,"source":{"system":"sec-edgar","filing":"0001209191-18-037737","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118037737/doc4.xml","form_type":"4"}},{"id":4036721,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Performance Share Units","published_at":"2018-02-23T21:49:47.000Z","date":"2018-02-21","kind":"grant","acquired":true,"shares":9296,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Performance share units awarded pursuant to the Plan.  Each performance share unit represents a contingent right to receive one Common Share of the Company. With limited exceptions, the performance share units vest on 2/21/2021, if at all, at the end of the performance period (7/1/2019 to 12/31/2020), assuming that the holder remains employed at such time, based on the Company's Common Share price using the highest 40-day average stock price during the performance period as follows: 200% if the share price reaches $50; 100% if the share price reaches $46; and 50% if the share price reaches $42 (with interpolation between those prices).  If the share price does not reach $42, none of the performance share units will vest."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"To the extent unvested performance share units do not become vested units at the end of the applicable performance period as described above, such unvested performance share units will expire at the end of such performance period. Upon vesting, one Common Share will be delivered for each vested performance share unit."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Performance share units awarded pursuant to the Plan.  Each performance share unit represents a contingent right to receive one Common Share of the Company. With limited exceptions, the performance share units vest on 2/21/2021, if at all, at the end of the performance period (7/1/2019 to 12/31/2020), assuming that the holder remains employed at such time, based on the Company's Common Share price using the highest 40-day average stock price during the performance period as follows: 200% if the share price reaches $50; 100% if the share price reaches $46; and 50% if the share price reaches $42 (with interpolation between those prices).  If the share price does not reach $42, none of the performance share units will vest."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"To the extent unvested performance share units do not become vested units at the end of the applicable performance period as described above, such unvested performance share units will expire at the end of such performance period. Upon vesting, one Common Share will be delivered for each vested performance share unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Performance share units awarded pursuant to the Plan.  Each performance share unit represents a contingent right to receive one Common Share of the Company. With limited exceptions, the performance share units vest on 2/21/2021, if at all, at the end of the performance period (7/1/2019 to 12/31/2020), assuming that the holder remains employed at such time, based on the Company's Common Share price using the highest 40-day average stock price during the performance period as follows: 200% if the share price reaches $50; 100% if the share price reaches $46; and 50% if the share price reaches $42 (with interpolation between those prices).  If the share price does not reach $42, none of the performance share units will vest."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"To the extent unvested performance share units do not become vested units at the end of the applicable performance period as described above, such unvested performance share units will expire at the end of such performance period. Upon vesting, one Common Share will be delivered for each vested performance share unit."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total includes performance units from other tranches with different performance measures, performance periods and vesting dates, but does not include 30,297 outstanding options of various tranches."}],"balance_after":30554,"derivative":{"underlying":"Common Shares","underlying_shares":9296},"source":{"system":"sec-edgar","filing":"0001209191-18-013005","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118013005/doc4.xml","form_type":"4"}},{"id":4036720,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2018-02-23T21:49:47.000Z","date":"2018-02-21","kind":"grant","acquired":true,"shares":9296,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\"). With limited exceptions, the restricted stock units vest on 2/21/2021, assuming that the holder remains employed at such time.  Upon vesting, one Common Share will be delivered for each vested restricted stock unit."}],"balance_after":173331.4953,"source":{"system":"sec-edgar","filing":"0001209191-18-013005","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118013005/doc4.xml","form_type":"4"}},{"id":4073562,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Performance Share Units","published_at":"2018-02-06T21:45:36.000Z","date":"2018-02-04","kind":"exercise","acquired":false,"shares":11728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2016 to 12/31/2017), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"deemedExecutionDate","element":"deemedExecutionDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2016 to 12/31/2017), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2016 to 12/31/2017), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2016 to 12/31/2017), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total includes performance units from other tranches with different performance measures, performance periods and vesting dates, but does not include 30,297 outstanding options."}],"balance_after":21258,"derivative":{"underlying":"Common Shares","underlying_shares":11728},"source":{"system":"sec-edgar","filing":"0001209191-18-007883","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118007883/doc4.xml","form_type":"4"}},{"id":4073561,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2018-02-06T21:45:36.000Z","date":"2018-02-04","kind":"tax_withholding","acquired":false,"shares":11487,"price":35.19,"value":404227.53,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."}],"balance_after":164035.4953,"source":{"system":"sec-edgar","filing":"0001209191-18-007883","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118007883/doc4.xml","form_type":"4"}},{"id":4073560,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Comnmon Shares","published_at":"2018-02-06T21:45:36.000Z","date":"2018-02-04","kind":"exercise","acquired":true,"shares":23456,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (7/1/2016 to 12/31/2017), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."}],"balance_after":175522.4953,"source":{"system":"sec-edgar","filing":"0001209191-18-007883","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118007883/doc4.xml","form_type":"4"}},{"id":4073559,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2018-02-06T21:45:36.000Z","date":"2018-02-04","kind":"tax_withholding","acquired":false,"shares":5863,"price":35.19,"value":206318.97,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Total includes 339 shares purchased on 6/30/2017 and 276 shares purchased on 12/31/2017 pursuant to the Assured Guaranty Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3."}],"balance_after":152066.4953,"source":{"system":"sec-edgar","filing":"0001209191-18-007883","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919118007883/doc4.xml","form_type":"4"}},{"id":4324497,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Options to Acquire Common Shares","published_at":"2017-05-11T20:24:17.000Z","date":"2017-05-10","kind":"exercise","acquired":false,"shares":12000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Options vested as follows: 1/3 on 02/14/2009, 1/3 on 02/14/2010 and 1/3 on 02/14/2011."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"All options of this tranche have been exercised. The total number of options from other tranches with different exercise prices, vesting terms and expiration dates is 30,297(after taking into account 12,000 options exercised on 05/10/2017). The total number of performance share units from tranches with different performance measures, performance periods and vesting dates is 32,986."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"All options of this tranche have been exercised. The total number of options from other tranches with different exercise prices, vesting terms and expiration dates is 30,297(after taking into account 12,000 options exercised on 05/10/2017). The total number of performance share units from tranches with different performance measures, performance periods and vesting dates is 32,986."}],"balance_after":0,"derivative":{"exercise_price":23.27,"expiration_date":"2018-02-14","underlying":"Common Shares","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-17-031534","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919117031534/doc4.xml","form_type":"4"}},{"id":4324496,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2017-05-11T20:24:17.000Z","date":"2017-05-10","kind":"sale","acquired":false,"shares":12000,"price":39.19,"value":470280.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $39.06 and $39.30 per share.  The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent."}],"balance_after":157314.4953,"source":{"system":"sec-edgar","filing":"0001209191-17-031534","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919117031534/doc4.xml","form_type":"4"}},{"id":4324495,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2017-05-11T20:24:17.000Z","date":"2017-05-10","kind":"exercise","acquired":true,"shares":12000,"price":23.27,"value":279240.0,"ownership":{"direct":true},"balance_after":169314.4953,"source":{"system":"sec-edgar","filing":"0001209191-17-031534","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919117031534/doc4.xml","form_type":"4"}},{"id":4424332,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Performance Share Units","published_at":"2017-02-24T21:33:43.000Z","date":"2017-02-22","kind":"grant","acquired":true,"shares":7872,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Performance share units awarded pursuant to the Plan.  Each performance share unit represents a contingent right to receive one Common Share of the Company. With limited exceptions, the performance share units vest on 2/22/2020, if at all, at the end of the performance period (7/1/2018 to 12/31/2019), assuming that the holder remains employed at such time, based on the Company's Common Share price using the highest 40-day average stock price during the performance period as follows: 200% if the share price reaches $50; 100% if the share price reaches $46; and 50% if the share price reaches $42 (with interpolation between those prices).  If the share price does not reach $42, none of the performance share units will vest."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"To the extent unvested performance share units do not become vested units at the end of the applicable performance period as described above, such unvested performance share units will expire at the end of such performance period. Upon vesting, one Common Share will be delivered for each vested performance share unit."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Performance share units awarded pursuant to the Plan.  Each performance share unit represents a contingent right to receive one Common Share of the Company. With limited exceptions, the performance share units vest on 2/22/2020, if at all, at the end of the performance period (7/1/2018 to 12/31/2019), assuming that the holder remains employed at such time, based on the Company's Common Share price using the highest 40-day average stock price during the performance period as follows: 200% if the share price reaches $50; 100% if the share price reaches $46; and 50% if the share price reaches $42 (with interpolation between those prices).  If the share price does not reach $42, none of the performance share units will vest."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"To the extent unvested performance share units do not become vested units at the end of the applicable performance period as described above, such unvested performance share units will expire at the end of such performance period. Upon vesting, one Common Share will be delivered for each vested performance share unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Performance share units awarded pursuant to the Plan.  Each performance share unit represents a contingent right to receive one Common Share of the Company. With limited exceptions, the performance share units vest on 2/22/2020, if at all, at the end of the performance period (7/1/2018 to 12/31/2019), assuming that the holder remains employed at such time, based on the Company's Common Share price using the highest 40-day average stock price during the performance period as follows: 200% if the share price reaches $50; 100% if the share price reaches $46; and 50% if the share price reaches $42 (with interpolation between those prices).  If the share price does not reach $42, none of the performance share units will vest."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"To the extent unvested performance share units do not become vested units at the end of the applicable performance period as described above, such unvested performance share units will expire at the end of such performance period. Upon vesting, one Common Share will be delivered for each vested performance share unit."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total includes performance units from other tranches with different performance measures, performance periods and vesting dates, but does not include 42,297 outstanding options of various tranches."}],"balance_after":32986,"derivative":{"underlying":"Common Shares","underlying_shares":7872},"source":{"system":"sec-edgar","filing":"0001209191-17-014351","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919117014351/doc4.xml","form_type":"4"}},{"id":4424331,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2017-02-24T21:33:43.000Z","date":"2017-02-22","kind":"grant","acquired":true,"shares":7872,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the \"Plan\"). With limited exceptions, the restricted stock units vest on 2/22/2020, assuming that the holder remains employed at such time.  Upon vesting, one Common Share will be delivered for each vested restricted stock unit."}],"balance_after":157314.4953,"source":{"system":"sec-edgar","filing":"0001209191-17-014351","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919117014351/doc4.xml","form_type":"4"}},{"id":4463877,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Performance Share Units","published_at":"2017-02-07T21:36:43.000Z","date":"2017-02-05","kind":"exercise","acquired":false,"shares":7631,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (1/1/2014 to 12/31/2016), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"deemedExecutionDate","element":"deemedExecutionDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (1/1/2014 to 12/31/2016), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (1/1/2014 to 12/31/2016), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (1/1/2014 to 12/31/2016), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total includes performance units from other tranches with different performance measures, performance periods and vesting dates, but does not include 42,297 outstanding options."}],"balance_after":25114,"derivative":{"underlying":"Common Shares","underlying_shares":7631},"source":{"system":"sec-edgar","filing":"0001209191-17-008364","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919117008364/doc4.xml","form_type":"4"}},{"id":4463876,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2017-02-07T21:36:43.000Z","date":"2017-02-05","kind":"tax_withholding","acquired":false,"shares":7871,"price":40.01,"value":314918.71,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."}],"balance_after":149442.4953,"source":{"system":"sec-edgar","filing":"0001209191-17-008364","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919117008364/doc4.xml","form_type":"4"}},{"id":4463875,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Comnmon Shares","published_at":"2017-02-07T21:36:43.000Z","date":"2017-02-05","kind":"exercise","acquired":true,"shares":15262,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Performance share units awarded pursuant to the Assured Guaranty 2004 Long-Term Incentive Plan (the \"Plan\").  Using the highest 40-day average stock price during the performance period (1/1/2014 to 12/31/2016), 200.00% of the performance share units granted became vested.  The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%."}],"balance_after":157313.4953,"source":{"system":"sec-edgar","filing":"0001209191-17-008364","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919117008364/doc4.xml","form_type":"4"}},{"id":4463874,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2017-02-07T21:36:43.000Z","date":"2017-02-05","kind":"tax_withholding","acquired":false,"shares":4652,"price":40.01,"value":186126.52,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common Shares being withheld to pay tax liability."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Total includes 472 shares purchased on 12/31/2016 pursuant to the Assured Guaranty Ltd. Stock Purchase Plan which meets the requirements of Rule 16b-3."}],"balance_after":142051.4953,"source":{"system":"sec-edgar","filing":"0001209191-17-008364","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919117008364/doc4.xml","form_type":"4"}},{"id":4563740,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Options to acquire Common Shares","published_at":"2016-11-09T00:08:40.000Z","date":"2016-11-07","kind":"exercise","acquired":false,"shares":16000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Options vested as follows: 1/3 on 02/08/2008, 1/3 on 02/08/2009 and 1/3 on 02/08/2010."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"All options of this tranche have been exercised.  The total number of options from other tranches with different exercise prices, vesting terms and expiration dates is 42,297 (after taking into account 16,000 options exercised on 11/7/2016).  The total number of performance share units from tranches with different performance measures, performance periods and vesting dates is 32,745 ."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"All options of this tranche have been exercised.  The total number of options from other tranches with different exercise prices, vesting terms and expiration dates is 42,297 (after taking into account 16,000 options exercised on 11/7/2016).  The total number of performance share units from tranches with different performance measures, performance periods and vesting dates is 32,745 ."}],"balance_after":0,"derivative":{"exercise_price":26.7,"expiration_date":"2017-02-08","underlying":"Common Shares","underlying_shares":16000},"source":{"system":"sec-edgar","filing":"0001209191-16-148942","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919116148942/doc4.xml","form_type":"4"}},{"id":4563739,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Comnmon Shares","published_at":"2016-11-09T00:08:40.000Z","date":"2016-11-07","kind":"sale","acquired":false,"shares":16000,"price":32,"value":512000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported above has been rounded to the nearest cent."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Total includes 492 shares purchased on 06/30/2016 pursuant to the Assured Guaranty Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3."}],"balance_after":146231.4953,"source":{"system":"sec-edgar","filing":"0001209191-16-148942","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919116148942/doc4.xml","form_type":"4"}},{"id":4563738,"issuer":{"id":4169,"kind":"organization","name":"ASSURED GUARANTY LTD"},"owners":[{"id":121856,"kind":"person","name":"Albert Howard","position":1,"cik":"0001539875","reported_name":"Albert Howard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Risk Officer"}}],"security":"Common Shares","published_at":"2016-11-09T00:08:40.000Z","date":"2016-11-07","kind":"exercise","acquired":true,"shares":16000,"price":26.7,"value":427200.0,"ownership":{"direct":true},"balance_after":161739.4953,"source":{"system":"sec-edgar","filing":"0001209191-16-148942","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1273813/000120919116148942/doc4.xml","form_type":"4"}}]}