Star Equity (NASDAQ: STRR) director adds 2,400 shares in open-market buys

Rhea-AI Filing Summary

Star Equity Holdings director Todd Michael Fruhbeis increased his stake through a mix of option-like vesting and open‑market buying. On March 25, he acquired 460 shares of common stock at $0.00 per share upon settlement of Restricted Stock Units that fully vested that day. He then made six open‑market purchases from March 25–27 totaling 2,400 common shares at prices between $9.76 and $10.17 per share. After these transactions, he directly holds 13,073 common shares. Footnotes indicate an additional 7,012 Restricted Stock Units are credited to his account, each convertible into one share of common stock at future settlement.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Fruhbeis Todd Michael

(Last) (First) (Middle)

STAR EQUITY HOLDINGS, INC.

53 FOREST AVENUE, SUITE 101

(Street)

OLD GREENWICH CONNECTICUT 06870

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Star Equity Holdings, Inc. [ STRR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/25/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/25/2026		M		460	A	(1)(2)	10,673(3)	D
Common Stock	03/25/2026		P		500	A	$9.76	11,173(3)	D
Common Stock	03/25/2026		P		300	A	$9.82	11,473(3)	D
Common Stock	03/26/2026		P		500	A	$10.15	11,973(3)	D
Common Stock	03/26/2026		P		300	A	$10.17	12,273(3)	D
Common Stock	03/27/2026		P		500	A	$10.1	12,773(3)	D
Common Stock	03/27/2026		P		300	A	$10.15	13,073(3)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(1)(2)	03/25/2026		M			460	(4)	(4)	Common Stock	460	(1)	0	D

Explanation of Responses:

1. Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

2. This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

3. Includes 7,012 Restricted Stock Units credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated. Each Restricted Stock Unit represents the right to receive, at settlement, one share of Common Stock payable upon the first anniversary of the Grant Date.

4. On March 25, 2025, the Reporting Person was granted Restricted Stock Units by Star Operating Companies, Inc. ("SOC"), each of which represented the right to receive, at settlement, one share of SOC common stock ("SOC RSUs"). Pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025, by and among SOC, the Issuer and HSON Merger Sub, Inc., a wholly owned subsidiary of the Issuer, the Reporting Person's SOC RSUs were exchanged for 460 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on March 25, 2026.

Remarks:

	/s/ Hannah Bible, as Attorney-in-Fact for Todd Fruhbeis	03/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider activity did Todd Michael Fruhbeis report at Star Equity (STRR)?

Todd Michael Fruhbeis reported multiple transactions increasing his holdings. He exercised 460 Restricted Stock Units into common stock at $0.00 and made six open‑market purchases totaling 2,400 common shares between $9.76 and $10.17 per share.

How many Star Equity common shares does Todd Michael Fruhbeis now hold?

Following the reported transactions, Todd Michael Fruhbeis directly holds 13,073 Star Equity common shares. This reflects the addition of 460 shares from Restricted Stock Unit settlement plus 2,400 shares bought in the open market over three trading days.

At what prices did Todd Michael Fruhbeis buy Star Equity (STRR) shares?

He executed six open‑market purchases of Star Equity common stock at prices ranging from $9.76 to $10.17 per share. These buys occurred on March 25, March 26, and March 27, adding a total of 2,400 shares to his direct stake.

What was the Restricted Stock Unit transaction reported by Todd Michael Fruhbeis?

On March 25, he settled 460 Restricted Stock Units into 460 shares of Star Equity common stock at a conversion price of $0.00. Footnotes state these RSUs fully vested on that date as part of a prior grant exchanged in a merger transaction.

Does Todd Michael Fruhbeis have additional Star Equity RSUs outstanding?

Yes. Footnotes state 7,012 Restricted Stock Units are credited to his account under the company’s incentive plan. Each RSU represents the right to receive one share of common stock upon settlement, typically payable on the first anniversary of the grant date.