Star Equity Holdings, Inc. 8-KCurrent Reports (8-K / ad hoc)

Changes / Accountants

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS. (d) Exhibits EXHIBIT INDEX 99.1 Investor Presentation, dated October 14, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 1 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized. STAR EQUITY HOLDINGS, INC (Registrant) By: /s/ MATTHEW K. DIAMOND Matthew K. Diamond Chief Accounting Officer Dated: October 14, 2026 2