{"transactions":[{"id":853782,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Stock","published_at":"2026-03-09T16:16:32.000Z","date":"2026-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":8939,"price":6.44,"value":57567.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares disposed of were withheld by James River Group Holdings, Inc. for payment of the tax liability incident to the vesting of 20,018 restricted share units on March 5, 2026."}],"balance_after":120796,"source":{"system":"sec-edgar","filing":"0001895369-26-000008","document":"wk-form4_1773087389.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000189536926000008/wk-form4_1773087389.xml","form_type":"4"}},{"id":856119,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Stock","published_at":"2026-03-06T16:19:54.000Z","date":"2026-03-04","kind":"grant","planned":false,"acquired":true,"shares":32799,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of restricted share units (payable solely in shares of common stock of the Issuer on each vesting date), vesting in three equal annual installments on March 4 of each of the years 2027 through 2029."}],"balance_after":129735,"source":{"system":"sec-edgar","filing":"0001895369-26-000006","document":"wk-form4_1772831989.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000189536926000006/wk-form4_1772831989.xml","form_type":"4"}},{"id":862064,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Stock","published_at":"2026-03-04T17:10:38.000Z","date":"2026-03-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":1853,"price":7.13,"value":13211.89,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The shares disposed of were withheld by James River Group Holdings, Inc. for the payment of the tax liability incident to the vesting of 6,247 performance-based restricted share units on March 2, 2026."}],"balance_after":96936,"source":{"system":"sec-edgar","filing":"0001895369-26-000004","document":"wk-form4_1772662236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000189536926000004/wk-form4_1772662236.xml","form_type":"4"}},{"id":862063,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Stock","published_at":"2026-03-04T17:10:38.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":6247,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares acquired from the vesting and settlement of performance-based restricted share units granted in fiscal year 2023 pursuant to James River Group Holdings, Inc.'s 2014 Long-Term Incentive Plan, as amended, exempt under Rule 16b-3."}],"balance_after":98789,"source":{"system":"sec-edgar","filing":"0001895369-26-000004","document":"wk-form4_1772662236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000189536926000004/wk-form4_1772662236.xml","form_type":"4"}},{"id":868306,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Stock","published_at":"2026-03-03T16:52:46.000Z","date":"2026-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":3357,"price":7,"value":23499.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The shares disposed of were withheld by James River Group Holdings, Inc. for payment of the tax liability incident to the vesting of 7,517 restricted share units on March 1,  2026."}],"balance_after":92542,"source":{"system":"sec-edgar","filing":"0001895369-26-000002","document":"wk-form4_1772574760.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000189536926000002/wk-form4_1772574760.xml","form_type":"4"}},{"id":868305,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Stock","published_at":"2026-03-03T16:52:46.000Z","date":"2026-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1274,"price":7,"value":8918.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares disposed of were withheld by James River Group Holdings, Inc. for payment of the tax liability incident to the vesting of 2,853 restricted share units on March 1, 2026."}],"balance_after":95899,"source":{"system":"sec-edgar","filing":"0001895369-26-000002","document":"wk-form4_1772574760.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000189536926000002/wk-form4_1772574760.xml","form_type":"4"}},{"id":1217695,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2025-03-07T16:34:25.000Z","date":"2025-03-05","kind":"grant","planned":false,"acquired":true,"shares":60054,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of restricted share units (payable solely in common shares of the Issuer on each vesting date), vesting in three equal annual installments on March 5 of each of the years 2026 through 2028."}],"balance_after":97173,"source":{"system":"sec-edgar","filing":"0001620459-25-000035","document":"wk-form4_1741383258.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045925000035/wk-form4_1741383258.xml","form_type":"4"}},{"id":1229586,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2025-03-04T17:55:07.000Z","date":"2025-03-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":2226,"price":4.95,"value":11018.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The shares disposed of were withheld by James River Group Holdings, Ltd. for payment of the tax liability incident to the vesting of 5,854 restricted share units on March 2, 2025."}],"balance_after":37119,"source":{"system":"sec-edgar","filing":"0001620459-25-000020","document":"wk-form4_1741128900.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045925000020/wk-form4_1741128900.xml","form_type":"4"}},{"id":1229585,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2025-03-04T17:55:07.000Z","date":"2025-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2806,"price":4.95,"value":13889.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The shares disposed of were withheld by James River Group Holdings, Ltd. for payment of the tax liability incident to the vesting of 7,517 restricted share units on March 1, 2025."}],"balance_after":39345,"source":{"system":"sec-edgar","filing":"0001620459-25-000020","document":"wk-form4_1741128900.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045925000020/wk-form4_1741128900.xml","form_type":"4"}},{"id":1229584,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2025-03-04T17:55:07.000Z","date":"2025-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1075,"price":4.95,"value":5321.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares disposed of were withheld by James River Group Holdings, Ltd. for payment of the tax liability incident to the vesting of 2,853 restricted share units on March 1, 2025."}],"balance_after":42151,"source":{"system":"sec-edgar","filing":"0001620459-25-000020","document":"wk-form4_1741128900.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045925000020/wk-form4_1741128900.xml","form_type":"4"}},{"id":1597593,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2024-03-05T17:50:22.000Z","date":"2024-03-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":2188,"price":9.8,"value":21442.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The shares disposed of were withheld by James River Group Holdings, Ltd. for payment of the tax liability incident to the vesting of 5,853 restricted share units on March 2, 2024."}],"balance_after":43226,"source":{"system":"sec-edgar","filing":"0001620459-24-000060","document":"wk-form4_1709679012.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045924000060/wk-form4_1709679012.xml","form_type":"4"}},{"id":1597592,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2024-03-05T17:50:22.000Z","date":"2024-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1068,"price":9.8,"value":10466.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares disposed of were withheld by James River Group Holdings, Ltd. for payment of the tax liability incident to the vesting of 2,852 restricted share units on March 1, 2024."}],"balance_after":45414,"source":{"system":"sec-edgar","filing":"0001620459-24-000060","document":"wk-form4_1709679012.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045924000060/wk-form4_1709679012.xml","form_type":"4"}},{"id":1603625,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2024-03-04T18:11:09.000Z","date":"2024-03-01","kind":"grant","planned":false,"acquired":true,"shares":22551,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of restricted share units (payable solely in common shares of the Issuer on each vesting date), vesting in three equal annual installments on March 1 of each of the years 2025 through 2027."}],"balance_after":46482,"source":{"system":"sec-edgar","filing":"0001620459-24-000042","document":"wk-form4_1709593852.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045924000042/wk-form4_1709593852.xml","form_type":"4"}},{"id":1974790,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2023-03-03T16:51:11.000Z","date":"2023-03-02","kind":"tax_withholding","acquired":false,"shares":2187,"price":24.51,"value":53603.37,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares disposed of were withheld by James River Group Holdings, Ltd. for payment of the tax liability incident to the vesting of 5,853 restricted share units on March 2, 2023."}],"balance_after":23931,"source":{"system":"sec-edgar","filing":"0001620459-23-000062","document":"wf-form4_167788024443716.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045923000062/wf-form4_167788024443716.xml","form_type":"4"}},{"id":1980071,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2023-03-02T17:58:55.000Z","date":"2023-03-01","kind":"grant","acquired":true,"shares":8558,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of restricted share units (payable solely in common shares of the Issuer on each vesting date), vesting in three equal annual installments on March 1 of each of the years 2024 through 2026."}],"balance_after":26118,"source":{"system":"sec-edgar","filing":"0001620459-23-000046","document":"wf-form4_167779791787758.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045923000046/wf-form4_167779791787758.xml","form_type":"4"}},{"id":2350730,"issuer":{"id":6368,"kind":"organization","name":"James River Group Holdings, Inc."},"owners":[{"id":62045,"kind":"person","name":"Hoffmann Michael J.","position":1,"cik":"0001895369","reported_name":"Hoffmann Michael J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Chief Underwriting Officer"}}],"security":"Common Shares","published_at":"2022-03-04T17:11:03.000Z","date":"2022-03-02","kind":"grant","acquired":true,"shares":17560,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of restricted share units (payable solely in common shares of the Issuer on each vesting date), vesting in three equal annual installments on March 2 of each of the years 2023 through 2025."}],"balance_after":17560,"source":{"system":"sec-edgar","filing":"0001620459-22-000047","document":"wf-form4_164643184891918.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1895369/000162045922000047/wf-form4_164643184891918.xml","form_type":"4"}}]}