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The reporting person undertakes to provide to AER, any security holder of AER or the Staff of the Commission upon request, full information regarding the number of Ordinary Shares sold at each separate price within the ranges set forth herein."}],"balance_after":56725,"source":{"system":"sec-edgar","filing":"0000950157-26-000588","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1450289/000095015726000588/ownership.xml","form_type":"4"}},{"id":786708,"issuer":{"id":3217,"kind":"organization","name":"AerCap Holdings N.V."},"owners":[{"id":48691,"kind":"person","name":"Kelly Aengus","position":1,"cik":"0001450289","reported_name":"Kelly Aengus","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-05-09T00:07:47.000Z","date":"2026-05-06","kind":"sale","planned":false,"acquired":false,"shares":8204,"price":149.19,"value":1223954.76,"ownership":{"direct":false,"nature":"By spouse"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $147.84 to $148.84, inclusive. The reporting person undertakes to provide to AER, any security holder of AER or the Staff of the Commission upon request, full information regarding the number of Ordinary Shares sold at each separate price within the ranges set forth herein."}],"balance_after":1175481,"source":{"system":"sec-edgar","filing":"0000950157-26-000588","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1450289/000095015726000588/ownership.xml","form_type":"4"}},{"id":786702,"issuer":{"id":3217,"kind":"organization","name":"AerCap Holdings N.V."},"owners":[{"id":48691,"kind":"person","name":"Kelly Aengus","position":1,"cik":"0001450289","reported_name":"Kelly Aengus","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-05-09T00:07:47.000Z","date":"2026-05-06","kind":"sale","planned":false,"acquired":false,"shares":2563,"price":147.59,"value":378273.17,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $146.84 to $147.84, inclusive. The reporting person undertakes to provide to AerCap Holdings N.V. 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The RSUs have converted into restricted shares subject to service-vesting conditions on a one-for-one basis.  The restricted shares are held by the AerCap Holdings N.V. Equity Incentive Plans Trust for the benefit of the reporting person until the restricted shares are required to be transferred to the reporting person in accordance with the terms of the award agreement or are forfeited.  A portion of the restricted shares were withheld to pay taxes incurred by the reporting person in connection with the conversion.  The 500,000 restricted shares will vest on April 30, 2030."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On May 12, 2025, the reporting person was awarded 500,000 restricted share units (\"RSUs\"). The RSUs have converted into restricted shares subject to service-vesting conditions on a one-for-one basis.  The restricted shares are held by the AerCap Holdings N.V. Equity Incentive Plans Trust for the benefit of the reporting person until the restricted shares are required to be transferred to the reporting person in accordance with the terms of the award agreement or are forfeited.  A portion of the restricted shares were withheld to pay taxes incurred by the reporting person in connection with the conversion.  The 500,000 restricted shares will vest on April 30, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On May 12, 2025, the reporting person was awarded 500,000 restricted share units (\"RSUs\"). The RSUs have converted into restricted shares subject to service-vesting conditions on a one-for-one basis.  The restricted shares are held by the AerCap Holdings N.V. Equity Incentive Plans Trust for the benefit of the reporting person until the restricted shares are required to be transferred to the reporting person in accordance with the terms of the award agreement or are forfeited.  A portion of the restricted shares were withheld to pay taxes incurred by the reporting person in connection with the conversion.  The 500,000 restricted shares will vest on April 30, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On May 12, 2025, the reporting person was awarded 500,000 restricted share units (\"RSUs\"). The RSUs have converted into restricted shares subject to service-vesting conditions on a one-for-one basis.  The restricted shares are held by the AerCap Holdings N.V. Equity Incentive Plans Trust for the benefit of the reporting person until the restricted shares are required to be transferred to the reporting person in accordance with the terms of the award agreement or are forfeited.  A portion of the restricted shares were withheld to pay taxes incurred by the reporting person in connection with the conversion.  The 500,000 restricted shares will vest on April 30, 2030."}],"balance_after":0,"derivative":{"underlying":"Ordinary Shares","underlying_shares":500000},"source":{"system":"sec-edgar","filing":"0000950157-26-000531","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1450289/000095015726000531/form4.xml","form_type":"4"}},{"id":803668,"issuer":{"id":3217,"kind":"organization","name":"AerCap Holdings N.V."},"owners":[{"id":48691,"kind":"person","name":"Kelly Aengus","position":1,"cik":"0001450289","reported_name":"Kelly Aengus","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-04-22T01:34:29.000Z","date":"2026-04-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":152010,"price":147.45,"value":22413874.5,"ownership":{"direct":false,"nature":"By AerCap Holdings N.V. 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The remaining 2,255,090 shares are no longer subject to vesting conditions but remain subject to disposal restrictions."}],"balance_after":5408024,"source":{"system":"sec-edgar","filing":"0000950157-26-000531","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1450289/000095015726000531/form4.xml","form_type":"4"}},{"id":803667,"issuer":{"id":3217,"kind":"organization","name":"AerCap Holdings N.V."},"owners":[{"id":48691,"kind":"person","name":"Kelly Aengus","position":1,"cik":"0001450289","reported_name":"Kelly Aengus","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-04-22T01:34:29.000Z","date":"2026-04-20","kind":"exercise","planned":false,"acquired":true,"shares":500000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By AerCap Holdings N.V. 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Equity Incentive Plans Trust in order to achieve certain tax benefits under Irish law, after which the shares (to the extent vested) will be released to the reporting person. Of these awards, 2,247,057 are restricted shares that remain subject to service-based vesting conditions and 905,877 are restricted shares that remain subject to service- and performance-based vesting conditions. The remaining 2,255,090 shares are no longer subject to vesting conditions but remain subject to disposal restrictions."}],"balance_after":5560034,"source":{"system":"sec-edgar","filing":"0000950157-26-000531","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450289/000095015726000531/form4.xml","form_type":"4"}},{"id":4242300,"issuer":{"id":3217,"kind":"organization","name":"AerCap Holdings N.V."},"owners":[{"id":48691,"kind":"person","name":"Kelly Aengus","position":1,"cik":"0001450289","reported_name":"Kelly Aengus","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2017-08-04T20:11:33.000Z","date":"2017-08-04","kind":"sale","acquired":false,"shares":100000,"price":49.87,"value":4987000.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This form is filed voluntarily. As a foreign private issuer, AerCap Holdings N.V. is exempted from Section 16 of the Exchange Act by Rule 3a12-3."}],"balance_after":2231875,"source":{"system":"sec-edgar","filing":"0000950157-17-001174","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450289/000095015717001174/form4.xml","form_type":"4"}},{"id":4371490,"issuer":{"id":3217,"kind":"organization","name":"AerCap Holdings N.V."},"owners":[{"id":48691,"kind":"person","name":"Kelly Aengus","position":1,"cik":"0001450289","reported_name":"Kelly Aengus","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Restricted Stock","published_at":"2017-03-27T13:58:30.000Z","date":"2017-03-27","kind":"other","acquired":true,"shares":19358,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By AerCap Holdings N.V. 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Part of the Restricted Stock was withheld to pay taxes incurred by Mr. Kelly in connection with the grant."},{"field":"security","element":"securityTitle","label":"F3","text":"The Restricted Stock will vest on the earlier of (i) May 31, 2019 and (ii) the date of the 2019 annual general meeting of shareholders of AerCap Holdings N.V."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"This form is filed voluntarily.  As a foreign private issuer, AerCap Holdings N.V. is exempted from Section 16 of the Exchange Act by Rule 3a12-3."}],"balance_after":19358,"source":{"system":"sec-edgar","filing":"0000950157-17-000422","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450289/000095015717000422/form4.xml","form_type":"4"}},{"id":4523761,"issuer":{"id":3217,"kind":"organization","name":"AerCap Holdings N.V."},"owners":[{"id":48691,"kind":"person","name":"Kelly Aengus","position":1,"cik":"0001450289","reported_name":"Kelly Aengus","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2016-12-13T16:02:36.000Z","date":"2016-12-12","kind":"sale","acquired":false,"shares":100000,"price":43.71,"value":4371000.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This form is filed voluntarily. As a foreign private issuer, AerCap Holdings N.V. is exempted from Section 16 of the Exchange Act by Rule 3a12-3."}],"balance_after":2331875,"source":{"system":"sec-edgar","filing":"0000950157-16-002574","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450289/000095015716002574/form4.xml","form_type":"4"}}]}