X0508 4 2025-11-08 0 0001210708 Star Equity Holdings, Inc. STRR 0001607210 Bible Hannah M. STAR EQUITY HOLDINGS, INC. 53 FOREST AVENUE, SUITE 101 OLD GREENWICH CT 06870 0 1 0 0 Chief Legal Officer 0 Common Stock 2025-11-08 4 M 0 493 A 1179 D Common Stock 2025-11-08 4 F 0 156 10.04 D 1023 D Restricted Stock Unit 2025-11-08 4 M 0 493 D Common Stock 493 987 D Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock. This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date. Shares withheld by Issuer to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units. No shares were sold. On November 8, 2024, the Reporting Person was granted 1,480 Restricted Stock Units, as to this grant, one-third of the Restricted Stock Units vested on November 8, 2025, and one-third of the Restricted Stock Units are scheduled to vest on November 8, 2026 and on November 8, 2027, subject to the Reporting Person continuing to provide service through such date. /s/ Hannah Bible 2025-11-12