Star Equity Holdings (STRR) CEO reports sales of preferred and purchase of common shares

Rhea-AI Filing Summary

Star Equity Holdings, Inc. director, chief executive officer and 10% owner Jeffrey E. Eberwein reported several personal stock transactions. On 12/24/2025, he sold 16,000 shares of the company’s Series A Preferred Stock at $9.35 per share, and on 12/29/2025 he sold another 2,635 Series A Preferred shares at $9.2502 per share. Also on 12/29/2025, he purchased 9,709 shares of Common Stock at $11.2485 per share. After these trades, he beneficially owned 791,582 shares of Series A Preferred Stock and 1,000,556 shares of Common Stock, all held directly. The Series A Preferred Stock is described as not convertible or exchangeable into Star Equity Holdings, Inc. Common Stock.

Insights

Equity ownership and governance analyst

Insider shifted from preferred into common while remaining a large holder.

Jeffrey E. Eberwein, a director, chief executive officer and 10% owner of Star Equity Holdings, Inc., reported selling Series A Preferred Stock and buying Common Stock. He sold 16,000 preferred shares at $9.35 on 12/24/2025 and 2,635 preferred shares at $9.2502 on 12/29/2025, while acquiring 9,709 common shares at $11.2485 on 12/29/2025.

Following these trades, he held 791,582 Series A Preferred shares and 1,000,556 Common shares directly. The filing notes that the 10% Series A Cumulative Perpetual Preferred Stock is not convertible or exchangeable into common stock, so these securities represent distinct capital layers. The reported activity reflects a change in his personal mix between preferred and common rather than a change to the company’s capital structure.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Eberwein Jeffrey E.

(Last) (First) (Middle)

53 FOREST AVENUE, SUITE 101

(Street)

OLD GREENWICH CT 06870

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
12/24/2025

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

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

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

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
Series A Preferred Stock(1)	12/24/2025		S		16,000	D	$9.35	794,217	D
Series A Preferred Stock(1)	12/29/2025		S		2,635	D	$9.2502	791,582	D
Common Stock	12/29/2025		P		9,709	A	$11.2485	1,000,556	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

Explanation of Responses:

1. Star Equity Holdings, Inc. 10% Series A Cumulative Perpetual Preferred Stock, which is not convertible or exchangeable into Star Equity Holdings, Inc. Common Stock.

Remarks:

	/s/ Jeffrey E. Eberwein	12/29/2025
	** 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.

FAQ

Who is the insider trading Star Equity Holdings, Inc. (STRR) shares?

The reporting person is Jeffrey E. Eberwein, who is listed as a director, 10% owner, and Chief Executive Officer of Star Equity Holdings, Inc..

What Star Equity Holdings, Inc. preferred shares did the insider sell?

He sold 16,000 shares of Series A Preferred Stock at $9.35 per share on 12/24/2025 and 2,635 Series A Preferred shares at $9.2502 per share on 12/29/2025.

Did the Star Equity (STRR) insider buy or sell common stock?

On 12/29/2025, he purchased 9,709 shares of Common Stock at a price of $11.2485 per share, increasing his common share holdings.

How many Star Equity Holdings shares does the insider own after these transactions?

After the reported trades, he beneficially owned 791,582 shares of Series A Preferred Stock and 1,000,556 shares of Common Stock, all held directly.

Is Star Equity Holdings Series A Preferred Stock convertible into common shares?

The filing states that the 10% Series A Cumulative Perpetual Preferred Stock "is not convertible or exchangeable" into Star Equity Holdings, Inc. Common Stock.

Does this insider trading report involve derivative securities of Star Equity Holdings?

The section for Derivative Securities shows column headings but no filled-in derivative transactions, indicating the reported activity relates only to non-derivative preferred and common stock.