{"transactions":[{"id":4630157,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-10-05T20:25:09.000Z","date":"2026-10-01","kind":"grant","planned":false,"acquired":true,"shares":8224,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Octave Specialty Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on October 1, 2026 shall vest one year later on October 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the reporting person."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on October 1, 2026 shall vest one year later on October 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the reporting person."}],"balance_after":30815,"derivative":{"underlying":"Common Stock","underlying_shares":8224},"source":{"system":"sec-edgar","filing":"0001628280-26-064945","document":"wk-form4_1791231905.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1573787/000162828026064945/wk-form4_1791231905.xml","form_type":"4"}},{"id":714042,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-07-07T21:00:18.000Z","date":"2026-07-01","kind":"grant","planned":false,"acquired":true,"shares":6500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Octave Specialty Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on July 1, 2026 shall vest one year later on July 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on July 1, 2026 shall vest one year later on July 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":22591,"derivative":{"underlying":"Common Stock","underlying_shares":6500},"source":{"system":"sec-edgar","filing":"0001628280-26-047518","document":"wk-form4_1783458014.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000162828026047518/wk-form4_1783458014.xml","form_type":"4"}},{"id":821569,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-04-02T20:38:32.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":7441,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Octave Specialty Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on April 1, 2026 shall vest one year later on April 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the Reporting person."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on April 1, 2026 shall vest one year later on April 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the Reporting person."}],"balance_after":16091,"derivative":{"underlying":"Common Stock","underlying_shares":7441},"source":{"system":"sec-edgar","filing":"0001628280-26-023249","document":"wk-form4_1775162309.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000162828026023249/wk-form4_1775162309.xml","form_type":"4"}},{"id":953791,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-01-05T21:27:47.000Z","date":"2026-01-01","kind":"grant","planned":false,"acquired":true,"shares":4524,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Octave Specialty Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on January 1, 2026 shall vest one year later on January 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the Reporting person."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on January 1, 2026 shall vest one year later on January 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the Reporting person."}],"balance_after":8650,"derivative":{"underlying":"Common Stock","underlying_shares":4524},"source":{"system":"sec-edgar","filing":"0001573787-26-000003","document":"wk-form4_1767648463.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000157378726000003/wk-form4_1767648463.xml","form_type":"4"}},{"id":1028498,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-10-02T20:03:47.000Z","date":"2025-10-01","kind":"grant","planned":false,"acquired":true,"shares":4126,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on October 1, 2025 shall vest one year later on October 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on October 1, 2025 shall vest one year later on October 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":4126,"derivative":{"underlying":"Common Stock","underlying_shares":4126},"source":{"system":"sec-edgar","filing":"0001628280-25-043675","document":"wk-form4_1759435424.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000162828025043675/wk-form4_1759435424.xml","form_type":"4"}},{"id":1030867,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-09-30T20:23:08.000Z","date":"2025-10-01","kind":"other","planned":false,"acquired":false,"shares":131921,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Upon the closing of the sale of Ambac Assurance Corporation to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Director's Restricted Stock Units to vest and settle."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Upon the closing of the sale of Ambac Assurance Corporation to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Director's Restricted Stock Units to vest and settle."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":131921},"source":{"system":"sec-edgar","filing":"0001628280-25-043239","document":"wk-form4_1759263785.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/874501/000162828025043239/wk-form4_1759263785.xml","form_type":"4"}},{"id":1030866,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2025-09-30T20:23:08.000Z","date":"2025-09-29","kind":"exercise","planned":false,"acquired":true,"shares":131921,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Upon the closing of the sale of Ambac Assurance Corporation to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Director's Restricted Stock Units to vest and settle."}],"balance_after":131921,"source":{"system":"sec-edgar","filing":"0001628280-25-043239","document":"wk-form4_1759263785.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000162828025043239/wk-form4_1759263785.xml","form_type":"4"}},{"id":1098582,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-07-01T19:59:41.000Z","date":"2025-07-01","kind":"grant","planned":false,"acquired":true,"shares":7053,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on July 1, 2025 shall vest one year later on July 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on July 1, 2025 shall vest one year later on July 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":131921,"derivative":{"underlying":"Common Stock","underlying_shares":7053},"source":{"system":"sec-edgar","filing":"0000874501-25-000102","document":"wk-form4_1751399973.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450125000102/wk-form4_1751399973.xml","form_type":"4"}},{"id":1185071,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-04-02T20:44:26.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":5728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on April 1, 2025 shall vest one year later on April 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a \"change of control\" of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on April 1, 2025 shall vest one year later on April 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a \"change of control\" of the Company."}],"balance_after":124868,"derivative":{"underlying":"Common Stock","underlying_shares":5728},"source":{"system":"sec-edgar","filing":"0000874501-25-000062","document":"wk-form4_1743626660.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450125000062/wk-form4_1743626660.xml","form_type":"4"}},{"id":1317169,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-01-03T21:01:28.000Z","date":"2025-01-01","kind":"grant","planned":false,"acquired":true,"shares":3938,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on January 1, 2025 shall vest one year later on January 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a \"change of control\" of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on January 1, 2025 shall vest one year later on January 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a \"change of control\" of the Company."}],"balance_after":119140,"derivative":{"underlying":"Common Stock","underlying_shares":3938},"source":{"system":"sec-edgar","filing":"0000874501-25-000002","document":"wk-form4_1735938071.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450125000002/wk-form4_1735938071.xml","form_type":"4"}},{"id":1397355,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-10-01T21:24:27.000Z","date":"2024-10-01","kind":"grant","planned":false,"acquired":true,"shares":4497,"price":11.12,"value":50006.64,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on October 1, 2024 shall vest one year later on October 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a \"change of control\" of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on October 1, 2024 shall vest one year later on October 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a \"change of control\" of the Company."}],"balance_after":115202,"derivative":{"underlying":"Common Stock","underlying_shares":4497},"source":{"system":"sec-edgar","filing":"0000874501-24-000222","document":"wk-form4_1727817859.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450124000222/wk-form4_1727817859.xml","form_type":"4"}},{"id":1466586,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-07-01T19:55:11.000Z","date":"2024-07-01","kind":"grant","planned":false,"acquired":true,"shares":3699,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on July 1, 2024 shall vest one year later on July 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on July 1, 2024 shall vest one year later on July 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":110705,"derivative":{"underlying":"Common Stock","underlying_shares":3699},"source":{"system":"sec-edgar","filing":"0000874501-24-000147","document":"wk-form4_1719863705.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450124000147/wk-form4_1719863705.xml","form_type":"4"}},{"id":1557074,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-04-01T20:58:43.000Z","date":"2024-04-01","kind":"grant","planned":false,"acquired":true,"shares":3299,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on April 1, 2024 shall vest one year later on April 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on April 1, 2024 shall vest one year later on April 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":107006,"derivative":{"underlying":"Common Stock","underlying_shares":3299},"source":{"system":"sec-edgar","filing":"0000874501-24-000109","document":"wk-form4_1712005113.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450124000109/wk-form4_1712005113.xml","form_type":"4"}},{"id":1697238,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-01-02T21:35:55.000Z","date":"2024-01-01","kind":"grant","planned":false,"acquired":true,"shares":3147,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSUs granted on January 1, 2024 shall vest one year later on January 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSUs granted on January 1, 2024 shall vest one year later on January 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":103707,"derivative":{"underlying":"Common Stock","underlying_shares":3147},"source":{"system":"sec-edgar","filing":"0000874501-24-000012","document":"wk-form4_1704231343.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450124000012/wk-form4_1704231343.xml","form_type":"4"}},{"id":1770962,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-10-02T23:20:22.000Z","date":"2023-10-02","kind":"grant","planned":false,"acquired":true,"shares":3934,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on October 2, 2023 shall vest one year later on October 2, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on October 2, 2023 shall vest one year later on October 2, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":100560,"derivative":{"underlying":"Common Stock","underlying_shares":3934},"source":{"system":"sec-edgar","filing":"0000874501-23-000136","document":"wk-form4_1696288812.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000136/wk-form4_1696288812.xml","form_type":"4"}},{"id":1838179,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-07-05T22:20:04.000Z","date":"2023-07-01","kind":"grant","planned":false,"acquired":true,"shares":3569,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on July 1, 2023 shall vest one year later on July 1, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on July 1, 2023 shall vest one year later on July 1, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":96626,"derivative":{"underlying":"Common Stock","underlying_shares":3569},"source":{"system":"sec-edgar","filing":"0001209191-23-041292","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000120919123041292/doc4.xml","form_type":"4"}},{"id":1930515,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-04-04T20:50:48.000Z","date":"2023-04-03","kind":"grant","planned":false,"acquired":true,"shares":3277,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on April 3, 2023 shall vest one year later on April 3, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on April 3, 2023 shall vest one year later on April 3, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":93057,"derivative":{"underlying":"Common Stock","underlying_shares":3277},"source":{"system":"sec-edgar","filing":"0000874501-23-000066","document":"wf-form4_168064143312266.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000066/wf-form4_168064143312266.xml","form_type":"4"}},{"id":2070474,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-01-04T21:26:37.000Z","date":"2023-01-03","kind":"grant","acquired":true,"shares":3049,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on January 3, 2023 shall vest one year later on January 3, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on January 3, 2023 shall vest one year later on January 3, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":89780,"derivative":{"underlying":"Common Stock","underlying_shares":3049},"source":{"system":"sec-edgar","filing":"0000874501-23-000012","document":"wf-form4_167286756177038.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000012/wf-form4_167286756177038.xml","form_type":"4"}},{"id":2148136,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-10-03T20:27:44.000Z","date":"2022-10-03","kind":"grant","acquired":true,"shares":3567,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on October 3, 2022 shall vest one year later on October 3, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on October 3, 2022 shall vest one year later on October 3, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":86731,"derivative":{"underlying":"Common Stock","underlying_shares":3567},"source":{"system":"sec-edgar","filing":"0000874501-22-000131","document":"wf-form4_166482883465933.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450122000131/wf-form4_166482883465933.xml","form_type":"4"}},{"id":2215825,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-07-05T22:20:58.000Z","date":"2022-07-01","kind":"grant","acquired":true,"shares":4538,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on July 1, 2022 shall vest one year later on July 1, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on July 1, 2022 shall vest one year later on July 1, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":83164,"derivative":{"underlying":"Common Stock","underlying_shares":4538},"source":{"system":"sec-edgar","filing":"0000874501-22-000121","document":"wf-form4_165705964490887.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450122000121/wf-form4_165705964490887.xml","form_type":"4"}},{"id":2306096,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-04-05T21:59:45.000Z","date":"2022-04-01","kind":"grant","acquired":true,"shares":4626,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on April 1, 2022 shall vest one year later on April 1, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on April 1, 2022 shall vest one year later on April 1, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":78626,"derivative":{"underlying":"Common Stock","underlying_shares":4626},"source":{"system":"sec-edgar","filing":"0000874501-22-000081","document":"wf-form4_164919594595598.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450122000081/wf-form4_164919594595598.xml","form_type":"4"}},{"id":2362857,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-03-02T21:15:21.000Z","date":"2022-02-28","kind":"grant","acquired":true,"shares":3368,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on February 28, 2022 shall vest one year later on February 28, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on February 28, 2022 shall vest one year later on February 28, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":74000,"derivative":{"underlying":"Common Stock","underlying_shares":3368},"source":{"system":"sec-edgar","filing":"0000874501-22-000041","document":"wf-form4_164625567364299.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450122000041/wf-form4_164625567364299.xml","form_type":"4"}},{"id":2516426,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2021-11-12T13:36:02.000Z","date":"2021-11-10","kind":"grant","acquired":true,"shares":3051,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on November 10, 2021 shall vest one year later on November 10, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on November 10, 2021 shall vest one year later on November 10, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":70632,"derivative":{"underlying":"Common Stock","underlying_shares":3051},"source":{"system":"sec-edgar","filing":"0000874501-21-000155","document":"wf-form4_163672414844795.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450121000155/wf-form4_163672414844795.xml","form_type":"4"}},{"id":2609204,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2021-08-10T20:28:50.000Z","date":"2021-08-09","kind":"grant","acquired":true,"shares":3437,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on August 9, 2021 shall vest one year later on August 9, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on August 9, 2021 shall vest one year later on August 9, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":67581,"derivative":{"underlying":"Common Stock","underlying_shares":3437},"source":{"system":"sec-edgar","filing":"0000874501-21-000143","document":"wf-form4_162862731453004.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450121000143/wf-form4_162862731453004.xml","form_type":"4"}},{"id":2717402,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2021-05-12T20:12:58.000Z","date":"2021-05-12","kind":"grant","acquired":true,"shares":2936,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on May 12, 2021 shall vest one year later on May 12, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on May 12, 2021 shall vest one year later on May 12, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":64144,"derivative":{"underlying":"Common Stock","underlying_shares":2936},"source":{"system":"sec-edgar","filing":"0000874501-21-000091","document":"wf-form4_162085035541562.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450121000091/wf-form4_162085035541562.xml","form_type":"4"}},{"id":3165860,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2020-05-01T20:20:47.000Z","date":"2020-04-30","kind":"grant","acquired":true,"shares":11628,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on April 30, 2020 shall vest one year later on April 30, 2021. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on April 30, 2020 shall vest one year later on April 30, 2021. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":61208,"derivative":{"underlying":"Common Stock","underlying_shares":11628},"source":{"system":"sec-edgar","filing":"0000874501-20-000076","document":"wf-form4_158836442979191.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450120000076/wf-form4_158836442979191.xml","form_type":"4"}},{"id":3544747,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2019-05-01T20:57:17.000Z","date":"2019-04-30","kind":"grant","acquired":true,"shares":10696,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on April 30, 2019 shall vest one year later on April 30, 2020. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on April 30, 2019 shall vest one year later on April 30, 2020. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":49580,"derivative":{"underlying":"Common Stock","underlying_shares":10696},"source":{"system":"sec-edgar","filing":"0000874501-19-000054","document":"wf-form4_155674422231016.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450119000054/wf-form4_155674422231016.xml","form_type":"4"}},{"id":3952644,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2018-05-01T21:30:59.000Z","date":"2018-04-30","kind":"grant","acquired":true,"shares":11744,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on April 30, 2018 shall vest one year later on April 30, 2019. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on April 30, 2018 shall vest one year later on April 30, 2019. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":38884,"derivative":{"underlying":"Common Stock","underlying_shares":11744},"source":{"system":"sec-edgar","filing":"0000874501-18-000055","document":"wf-form4_152521024570547.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450118000055/wf-form4_152521024570547.xml","form_type":"4"}},{"id":4340938,"issuer":{"id":6308,"kind":"organization","name":"OCTAVE SPECIALTY GROUP INC","symbol":"OSG"},"owners":[{"id":31850,"kind":"person","name":"HAFT IAN DAVID","position":1,"cik":"0001573787","reported_name":"HAFT IAN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2017-05-01T21:46:38.000Z","date":"2017-04-28","kind":"grant","acquired":true,"shares":10294,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSU's granted on April 28, 2017 shall vest one year later on April 30, 2018. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSU's granted on April 28, 2017 shall vest one year later on April 30, 2018. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company."}],"balance_after":27140,"derivative":{"underlying":"Common Stock","underlying_shares":10294},"source":{"system":"sec-edgar","filing":"0000874501-17-000050","document":"wf-form4_149367518434228.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874501/000087450117000050/wf-form4_149367518434228.xml","form_type":"4"}}]}