X0609 4 2026-05-27 0 0001210708 Star Equity Holdings, Inc. STRR 0001767481 Drake Mimi K false C/O STAR EQUITY HOLDINGS, INC. 53 FOREST AVENUE, SUITE 101 OLD GREENWICH CT 06870 1 0 0 0 0 Common Stock 2026-05-27 4 A 0 5504 0 A 43834 D Includes 5,504 Restricted Stock Units credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated. Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock payable upon the first anniversary of the grant date. The number of Restricted Stock Units granted was determined using the closing price on May 27, 2026. Includes 12,516 Restricted Stock Units and 1,674 deferred shares credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated. Each Restricted Stock Unit and deferred share represents the right to receive, at settlement, one share of common stock payable upon the first anniversary of the respective dates of grant of each award of Restricted Stock Units. /s/ Hannah Bible, as Attorney-in-Fact for Mimi Drake 2026-05-28