Star Equity Holdings, Inc.: Regulation FD disclosure

What happened Pursuant to Regulation FD, Star Equity Holdings, Inc. furnished the investor presentation (the "Investor Presentation") relating to the Company’s business and operations as of Jun 30, 2026. The Company made the Investor Presentation available on Oct 14, 2026, within the Investor Relations section of its website, www.starequity.com. The filing states the Investor Presentation is summary information and speaks as of the date of this report, and that the Company may elect to update it in the future but specifically disclaims any obligation to do so.

Key details

• The Investor Presentation relates to the Company’s business and operations as of Jun 30, 2026.
• The presentation was made available on Oct 14, 2026, via the Investor Relations section of www.starequity.com.
• A copy of the Investor Presentation is furnished as Exhibit 99.1 to the Form 8-K.
• The filing states the presentation is summary information to be considered in the context of the Company’s SEC filings and other public announcements.

Why it may matter This report was made under Item 7.01 (Regulation FD disclosure), which covers public disclosure of investor materials and related information. A filing does not show why the insider traded or why the company acted.