{"transactions":[{"id":829618,"issuer":{"id":4013,"kind":"organization","name":"Accelerant Holdings"},"owners":[{"id":56338,"kind":"person","name":"Green Jay Michael","position":1,"cik":"0002008767","reported_name":"Green Jay Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Shares","published_at":"2026-03-24T22:20:14.000Z","date":"2026-03-23","kind":"sale","planned":true,"acquired":false,"shares":50000,"price":12.7657,"value":638285.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 8, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.23 to $13.13, inclusive. 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."}],"balance_after":1175589,"source":{"system":"sec-edgar","filing":"0001628280-26-020867","document":"wk-form4_1774390812.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997350/000162828026020867/wk-form4_1774390812.xml","form_type":"4"}},{"id":835464,"issuer":{"id":4013,"kind":"organization","name":"Accelerant Holdings"},"owners":[{"id":56338,"kind":"person","name":"Green Jay Michael","position":1,"cik":"0002008767","reported_name":"Green Jay Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Shares","published_at":"2026-03-18T23:24:02.000Z","date":"2026-03-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":28625,"price":11.63,"value":332908.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents Class A Common Shares withheld, pursuant to Issuer policy, to satisfy tax withholding obligations upon the settlement of vested Restricted Stock Units.  Does not reflect a discretionary transaction nor an open market sale of securities."}],"balance_after":1225589,"source":{"system":"sec-edgar","filing":"0002008767-26-000002","document":"wk-form4_1773876238.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997350/000200876726000002/wk-form4_1773876238.xml","form_type":"4"}},{"id":919762,"issuer":{"id":4013,"kind":"organization","name":"Accelerant Holdings"},"owners":[{"id":56338,"kind":"person","name":"Green Jay Michael","position":1,"cik":"0002008767","reported_name":"Green Jay Michael","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Shares","published_at":"2026-02-04T21:05:48.000Z","date":"2026-02-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":200637,"price":12.76,"value":2560128.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents Class A Common Shares withheld, pursuant to Issuer policy, to satisfy tax withholding obligations upon the settlement of vested Restricted Stock Units.  Does not reflect a discretionary transaction nor an open market sale of securities."}],"balance_after":1254214,"source":{"system":"sec-edgar","filing":"0000905148-26-000493","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997350/000090514826000493/form4.xml","form_type":"4"}},{"id":1079931,"issuer":{"id":4013,"kind":"organization","name":"Accelerant Holdings"},"owners":[{"id":56338,"kind":"person","name":"Green Jay Michael","position":1,"cik":"0002008767","reported_name":"Green Jay Michael","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-07-30T00:18:55.000Z","date":"2025-07-25","kind":"other","planned":false,"acquired":false,"shares":1087948,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Form 3 reflected an incorrect exercise price for this option of $19.30.  The actual exercise price for this option is $19.31."},{"field":"kind","element":"transactionCoding","label":"F2","text":"In connection with the Issuer's initial public offering, the Reporting Person received RSUs in replacement of his existing stock options."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the Issuer's initial public offering, the Reporting Person received RSUs in replacement of his existing stock options."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Fifty percent (50%) of the Class A Common Shares subject to the option vested on each of the first two anniversaries of October 1, 2022, in each case subject to the Reporting Person's continuous employment."}],"balance_after":0,"derivative":{"exercise_price":19.31,"expiration_date":"2033-09-01","underlying":"Class A Common Shares","underlying_shares":1087948},"source":{"system":"sec-edgar","filing":"0000905148-25-002631","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997350/000090514825002631/form4.xml","form_type":"4"}},{"id":1079930,"issuer":{"id":4013,"kind":"organization","name":"Accelerant Holdings"},"owners":[{"id":56338,"kind":"person","name":"Green Jay Michael","position":1,"cik":"0002008767","reported_name":"Green Jay Michael","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Shares","published_at":"2025-07-30T00:18:55.000Z","date":"2025-07-25","kind":"grant","planned":false,"acquired":true,"shares":1454851,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\"), each one of which represents the contingent right to receive one Class A Common Share."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the Issuer's initial public offering, the Reporting Person received RSUs in replacement of his existing stock options."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\"), each one of which represents the contingent right to receive one Class A Common Share."}],"balance_after":1454851,"source":{"system":"sec-edgar","filing":"0000905148-25-002631","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997350/000090514825002631/form4.xml","form_type":"4"}}]}