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The RSUs will vest in three equal annual\ninstallments commencing March 23, 2027, March 23, 2028, and March 23, 2029."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On March 23, 2026 the reporting person received a grant of 8,067 restricted stock units (\"RSUs\") as part of her 2026 Long Term Incentive Plan award. The RSUs will vest in three equal annual\ninstallments commencing March 23, 2027, March 23, 2028, and March 23, 2029."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On March 23, 2026 the reporting person received a grant of 8,067 restricted stock units (\"RSUs\") as part of her 2026 Long Term Incentive Plan award. The RSUs will vest in three equal annual\ninstallments commencing March 23, 2027, March 23, 2028, and March 23, 2029."}],"balance_after":9718,"derivative":{"underlying":"Common Stock","underlying_shares":8067},"source":{"system":"sec-edgar","filing":"0001628280-26-021064","document":"wk-form4_1774472574.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/874501/000162828026021064/wk-form4_1774472574.xml","form_type":"4"}},{"id":828676,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":56148,"kind":"person","name":"Ahn Cristina E.","position":1,"cik":"0001977360","reported_name":"Ahn Cristina E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2026-03-25T21:02:56.000Z","date":"2026-03-10","kind":"exercise","planned":false,"acquired":false,"shares":835,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of the Company's common stock."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the aggregate amount of restricted stock units (\"RSUs\") that were converted into shares of common stock of Octave Specialty Group, Inc. (the \"Company\") upon settlement of a portion of\nthe reporting person's 2025 Long Term Incentive Plan award."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the aggregate amount of restricted stock units (\"RSUs\") that were converted into shares of common stock of Octave Specialty Group, Inc. (the \"Company\") upon settlement of a portion of\nthe reporting person's 2025 Long Term Incentive Plan award."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each RSU represents a contingent right to receive one share of the Company's common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each RSU represents a contingent right to receive one share of the Company's common stock."}],"balance_after":1651,"derivative":{"underlying":"Common Stock","underlying_shares":835},"source":{"system":"sec-edgar","filing":"0001628280-26-021064","document":"wk-form4_1774472574.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/874501/000162828026021064/wk-form4_1774472574.xml","form_type":"4"}},{"id":828675,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":56148,"kind":"person","name":"Ahn Cristina E.","position":1,"cik":"0001977360","reported_name":"Ahn Cristina E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock, par value $0.01 per share","published_at":"2026-03-25T21:02:56.000Z","date":"2026-03-10","kind":"tax_withholding","planned":false,"acquired":false,"shares":203,"price":4.9,"value":994.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the amount of RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations."}],"balance_after":632,"source":{"system":"sec-edgar","filing":"0001628280-26-021064","document":"wk-form4_1774472574.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/874501/000162828026021064/wk-form4_1774472574.xml","form_type":"4"}},{"id":828674,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":56148,"kind":"person","name":"Ahn Cristina E.","position":1,"cik":"0001977360","reported_name":"Ahn Cristina E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock, par value $0.01 per share","published_at":"2026-03-25T21:02:56.000Z","date":"2026-03-10","kind":"exercise","planned":false,"acquired":true,"shares":835,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the aggregate amount of restricted stock units (\"RSUs\") that were converted into shares of common stock of Octave Specialty Group, Inc. (the \"Company\") upon settlement of a portion of\nthe reporting person's 2025 Long Term Incentive Plan award."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the aggregate amount of restricted stock units (\"RSUs\") that were converted into shares of common stock of Octave Specialty Group, Inc. (the \"Company\") upon settlement of a portion of\nthe reporting person's 2025 Long Term Incentive Plan award."}],"balance_after":835,"source":{"system":"sec-edgar","filing":"0001628280-26-021064","document":"wk-form4_1774472574.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000162828026021064/wk-form4_1774472574.xml","form_type":"4"}}]}