{"transactions":[{"id":701373,"issuer":{"id":7343,"kind":"organization","name":"Star Equity Holdings, Inc.","symbol":"STRR"},"owners":[{"id":28001,"kind":"person","name":"Miles Shawn Spain","position":1,"cik":"0001742046","reported_name":"Miles Shawn Spain","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2026-07-30T00:11:15.000Z","date":"2026-07-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":117,"price":11,"value":1287.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by Issuer to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units each representing the right to receive, at settlement, one share of common stock (the \"RSUs\"). No shares were sold."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,943 shares of common stock and 5,839 shares of RSUs granted to the Reporting Person on November 8, 2024, March 25, 2025, and March 25, 2026. The RSUs are subject to the Reporting Person continuing to provide service through the RSU's applicable vesting date."}],"balance_after":7782,"source":{"system":"sec-edgar","filing":"0001742046-26-000004","document":"wk-form4_1785370273.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1210708/000174204626000004/wk-form4_1785370273.xml","form_type":"4"}},{"id":826230,"issuer":{"id":7343,"kind":"organization","name":"Star Equity Holdings, Inc.","symbol":"STRR"},"owners":[{"id":28001,"kind":"person","name":"Miles Shawn Spain","position":1,"cik":"0001742046","reported_name":"Miles Shawn Spain","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2026-03-27T22:02:42.000Z","date":"2026-03-25","kind":"tax_withholding","planned":false,"acquired":false,"shares":95,"price":9.71,"value":922.45,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld by Issuer to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units, each representing the right to receive, at settlement, one share of common stock. No shares were sold."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 1,684 shares of common stock and 6,215 shares of Restricted Stock Units (\"RSUs\") granted to the Reporting Person on July 27, 2023, November 8, 2024, and March 25, 2025. The RSUs. are subject to the Reporting Person continuing to provide service through the RSU's applicable vesting date."}],"balance_after":7899,"source":{"system":"sec-edgar","filing":"0001742046-26-000002","document":"wk-form4_1774648960.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1210708/000174204626000002/wk-form4_1774648960.xml","form_type":"4"}},{"id":826229,"issuer":{"id":7343,"kind":"organization","name":"Star Equity Holdings, Inc.","symbol":"STRR"},"owners":[{"id":28001,"kind":"person","name":"Miles Shawn Spain","position":1,"cik":"0001742046","reported_name":"Miles Shawn Spain","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2026-03-27T22:02:42.000Z","date":"2026-03-25","kind":"grant","planned":false,"acquired":true,"shares":4537,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 25, 2026, (the \"Grant Date\") restricted stock units (\"RSUs\") were granted to the Reporting Person, (the \"Grant Date\") as approved by the Board of Directors on March 19, 2026, under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated. The RSUs are subject to time-based vesting conditions, vesting 33% on the first anniversary of the Grant Date (1,497 RSUs), 33% on the second anniversary of the Grant Date (1,497 RSUs), and 34% on  the third anniversary of the Grant Date (1,543 RSUs)."}],"balance_after":7994,"source":{"system":"sec-edgar","filing":"0001742046-26-000002","document":"wk-form4_1774648960.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1210708/000174204626000002/wk-form4_1774648960.xml","form_type":"4"}},{"id":1001760,"issuer":{"id":7343,"kind":"organization","name":"Star Equity Holdings, Inc.","symbol":"STRR"},"owners":[{"id":28001,"kind":"person","name":"Miles Shawn Spain","position":1,"cik":"0001742046","reported_name":"Miles Shawn Spain","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-11-12T21:01:57.000Z","date":"2025-11-08","kind":"tax_withholding","planned":false,"acquired":false,"shares":124,"price":10.04,"value":1244.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by Issuer to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units, each representing the right to receive, at settlement, one share of common stock. No shares were sold."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,523 shares of common stock and 1,934 shares of Restricted Stock Units (\"RSUs\") granted to the Reporting Person on July 27, 2023, November 8, 2024, and March 25, 2025. The RSUs. are subject to the Reporting Person continuing to provide service through the RSU's applicable vesting date."}],"balance_after":3457,"source":{"system":"sec-edgar","filing":"0001742046-25-000007","document":"wk-form4_1762981314.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1210708/000174204625000007/wk-form4_1762981314.xml","form_type":"4"}}]}