Star Equity CEO sells 840 Series A preferred shares

The CEO’s sale was made under a Rule 10b5-1 plan assumed by Clear Street LLC, with sales permitted to begin October 1, 2026.

Rhea-AI Filing Summary

Jeffrey E. Eberwein, Star Equity Holdings, Inc.’s Chief Executive Officer, sold 840 shares of Series A Preferred Stock on October 22, 2026, at a weighted average price of $8.82 per share; individual sales ranged from $8.70 to $9.00. His reported direct holdings afterward were 750,096 shares. The sale was made under a Rule 10b5-1 trading plan adopted by Eberwein and assumed by Clear Street LLC. Sales under the plan were permitted to begin October 1, 2026, and the plan expires October 1, 2028, unless terminated earlier.

Insider Trade Summary 10b5-1

Net Seller: 840 shares

Net Sell 1 txn

Insider Eberwein Jeffrey E.

Role Chief Executive Officer

Sold 840 shs ($7K)

Type	Security	Shares	Price	Value
Sale	Series A Preferred Stock F1, F2	840	$8.82	$7K

Holdings After Transaction: Series A Preferred Stock — 750,096 shares (Direct)

Footnotes (2)

1. F1. The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person and assumed by Clear Street LLC, providing for the sale of shares of the Issuer's Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share. Sales under the plan were permitted to begin on October 1, 2026, and the plan expires on October 1, 2028, unless terminated earlier.
2. F2. The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were sold in multiple transactions at prices ranging from $8.70 to $9.00 on October 22, 2026. The Reporting Person undertakes to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price such shares were sold.

Key Figures

Shares sold: 840 shares Weighted average sale price: $8.82 per share Sale price range: $8.70 to $9.00 per share +3 more

6 metrics

Shares sold 840 shares October 22, 2026

Weighted average sale price $8.82 per share Rounded to the nearest cent

Sale price range $8.70 to $9.00 per share Multiple transactions on October 22, 2026

Direct holdings after transaction 750,096 shares Reported position following the sale

Plan sales permitted to begin October 1, 2026 Rule 10b5-1 trading plan

Plan expiration October 1, 2028 Unless terminated earlier

Key Terms

Rule 10b5-1 trading plan, weighted average price, Series A Cumulative Perpetual Preferred Stock

3 terms

Rule 10b5-1 trading plan regulatory

"effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The price reported in Column 4 is a weighted average price"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Series A Cumulative Perpetual Preferred Stock financial

"Issuer's Series A Cumulative Perpetual Preferred Stock"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many STRR preferred shares did the CEO sell, and at what price?

Jeffrey E. Eberwein sold 840 shares of Series A Preferred Stock on October 22, 2026, at a weighted average price of $8.82 per share. The shares sold in multiple transactions at prices ranging from $8.70 to $9.00.

What were the terms of the STRR CEO’s trading plan?

Eberwein’s sale was made under a Rule 10b5-1 trading plan assumed by Clear Street LLC. Sales under the plan were permitted to begin October 1, 2026, and the plan expires October 1, 2028, unless terminated earlier.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/26/2026 - 04:17 PM EDT Accepted by SEC EDGAR 10/26/2026 - 04:16 PM EDT Learn about SEC filing dates

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).

X

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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/22/2026

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
Series A Preferred Stock	10/22/2026		S(1)		840	D	$8.82(2)	750,096	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. The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person and assumed by Clear Street LLC, providing for the sale of shares of the Issuer's Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share. Sales under the plan were permitted to begin on October 1, 2026, and the plan expires on October 1, 2028, unless terminated earlier.

2. The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were sold in multiple transactions at prices ranging from $8.70 to $9.00 on October 22, 2026. The Reporting Person undertakes to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price such shares were sold.

Remarks:

	/s/ Jeffrey E. Eberwein	10/26/2026
	** 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)