Amendment No. 10 to Schedule 13D for Star Equity Holdings, Inc.

This filing details Amendment No. 10 to the Schedule 13D for Star Equity Holdings, Inc., concerning the beneficial ownership of Jeffrey E. Eberwein. As of March 23, 2026, Mr. Eberwein beneficially owns 1,063,506 shares of Common Stock, representing 28.3% of the class. This ownership includes 49,450 shares underlying immediately exercisable warrants. The filing also notes that Mr. Eberwein owns 787,217 shares of the Issuer's 10% Series A Cumulative Perpetual Preferred Stock. The aggregate purchase price for the 1,063,506 shares of Common Stock is approximately $21,611,034, excluding brokerage commissions. Transactions in the last 60 days include the vesting of 13,460 restricted stock units granted on January 24, 2025, under the Issuer's 2009 Incentive Stock and Awards Plan, with specified vesting schedules.