strr-20260626

Date of Report (Date of earliest event reported): June 26, 2026

Delaware

001-38704

59-3547281

(State or other jurisdiction
of incorporation)

(Commission
File Number)

(I.R.S. Employer
Identification No.)

Registrant's telephone number, including area code (203) 489-9500

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


o			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


o			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


o			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


o			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.001 par value	STRR	The NASDAQ Stock Market LLC
Series A Preferred Stock, $0.001 par value	STRRP	The NASDAQ Stock Market LLC
Preferred Share Purchase Rights

Indicate by check mark whether the Registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

On June 29, 2026, Star Equity Holdings, Inc. (the "Company") issued a press release announcing that the Company’s common stock has been added to the Russell Microcap Index following the 2026 Russell indexes reconstitution, which became effective after the U.S. market close on June 26, 2026.

A copy of the press release is attached to this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein by reference.

The exhibit listed in the following Exhibit Index is provided as part of the information furnished under Item 2.02 of this Current Report on Form 8-K:


99.1			Press Release of Star Equity Holdings, Inc. dated June 29, 2026

104			Cover Page Interactive Data File (embedded within the Inline XBRL document)

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:	June 29, 2026


ITEM 8.01.			OTHER EVENTS.


ITEM 9.01.			FINANCIAL STATEMENTS AND EXHIBITS.