X0508 4 2025-11-08 0 0001210708 Star Equity Holdings, Inc. STRR 0001742046 Miles Shawn Spain STAR EQUITY HOLDINGS, INC. 53 FOREST AVENUE, SUITE 101 OLD GREENWICH CT 06870 0 1 0 0 Executive Vice President 0 Common Stock 2025-11-08 4 F 0 124 10.04 D 3457 D 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. 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. /s/ Shawn S. Miles 2025-11-12