Star Equity (STRR) CEO Jeffrey Eberwein adds 5,000 common shares

Rhea-AI Filing Summary

Star Equity Holdings, Inc. Chief Executive Officer and 10% owner Jeffrey E. Eberwein reported two open-market purchases of common stock. He bought 4,766 shares on June 22, 2026 at $11.16 per share and 234 shares on June 18, 2026 at $11.01 per share, totaling 5,000 shares.

After these trades, his directly held position is 1,115,714 shares, which includes 21,125 shares of restricted stock, 6,750 RSUs, and 1,087,839 shares of common stock. The totals exclude 2,000 shares indirectly owned in contributory 401(k) and IRA accounts.

Insider Trade Summary

Net Buyer: 5,000 shares ($55,765)

Net Buy 2 txns

Insider Eberwein Jeffrey E.

Role Chief Executive Officer

Bought 5,000 shs ($56K)

Type	Security	Shares	Price	Value
Purchase	Common Stock.	4,766	$11.16	$53K
Purchase	Common Stock.	234	$11.01	$3K

Holdings After Transaction: Common Stock. — 1,115,714 shares (Direct, null)

Footnotes (1)

1. Includes (i) 21,125 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated; (ii) 6,750 RSUs; and (iii) 1,083,073 shares of common stock. Excludes 2,000 shares indirectly owned in contributory 401(k) and IRA accounts. Each share of restricted stock and each RSU represents the right to receive, at settlement, one share of common stock. Includes (i) 21,125 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated; (ii) 6,750 RSUs; and (iii) 1,087,839 shares of common stock. Excludes 2,000 shares indirectly owned in contributory 401(k) and IRA accounts. Each share of restricted stock and each RSU represents the right to receive, at settlement, one share of common stock.

Key Figures

Shares bought 2026-06-22: 4,766 shares at $11.16 Shares bought 2026-06-18: 234 shares at $11.01 Total shares bought: 5,000 shares +4 more

7 metrics

Shares bought 2026-06-22 4,766 shares at $11.16 Open-market purchase of common stock on June 22, 2026

Shares bought 2026-06-18 234 shares at $11.01 Open-market purchase of common stock on June 18, 2026

Total shares bought 5,000 shares Net open-market purchases reported in this Form 4

Direct holdings after trades 1,115,714 shares Total direct position following June 2026 purchases

Restricted stock 21,125 shares Credited under 2009 Incentive Stock and Awards Plan

RSUs outstanding 6,750 RSUs Each RSU represents right to one common share at settlement

Indirect retirement holdings 2,000 shares Indirectly owned in contributory 401(k) and IRA accounts

Key Terms

open-market purchase, restricted stock, RSUs, 2009 Incentive Stock and Awards Plan, +1 more

5 terms

open-market purchase financial

"transaction_action: "open-market purchase""

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

restricted stock financial

"Includes (i) 21,125 shares of restricted stock credited to the Reporting Person's account"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

RSUs financial

"(ii) 6,750 RSUs; and (iii) 1,083,073 shares of common stock."

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

2009 Incentive Stock and Awards Plan financial

"credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated"

contributory 401(k) financial

"Excludes 2,000 shares indirectly owned in contributory 401(k) and IRA accounts."

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/23/2026 - 05:51 PM Accepted by SEC EDGAR 06/23/2026 - 05:51 PM 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).

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)
06/18/2026

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.	06/18/2026		P		234	A	$11.01	1,110,948(1)	D
Common Stock.	06/22/2026		P		4,766	A	$11.16	1,115,714(2)	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. Includes (i) 21,125 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated; (ii) 6,750 RSUs; and (iii) 1,083,073 shares of common stock. Excludes 2,000 shares indirectly owned in contributory 401(k) and IRA accounts. Each share of restricted stock and each RSU represents the right to receive, at settlement, one share of common stock.

2. Includes (i) 21,125 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated; (ii) 6,750 RSUs; and (iii) 1,087,839 shares of common stock. Excludes 2,000 shares indirectly owned in contributory 401(k) and IRA accounts. Each share of restricted stock and each RSU represents the right to receive, at settlement, one share of common stock.

Remarks:

	/s/ Jeffrey E. Eberwein	06/23/2026
	** 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 transactions did STRR CEO Jeffrey E. Eberwein report?

Jeffrey E. Eberwein reported two open-market purchases of Star Equity Holdings common stock, buying 4,766 shares at $11.16 and 234 shares at $11.01. Together, these Form 4 transactions total 5,000 shares acquired in June 2026.

How many STRR shares does Jeffrey E. Eberwein own after these trades?

Following the June 2026 purchases, Jeffrey E. Eberwein directly holds 1,115,714 shares tied to Star Equity Holdings. This figure includes restricted stock, RSUs, and common shares, but excludes 2,000 shares indirectly owned in contributory 401(k) and IRA accounts.

On what dates did the STRR insider share purchases occur?

The reported insider purchases occurred on June 18, 2026 and June 22, 2026. On those dates, Jeffrey E. Eberwein bought Star Equity Holdings common stock in the open market, as disclosed in the Form 4 insider trading report.

What prices did the STRR CEO pay for the purchased shares?

Jeffrey E. Eberwein paid $11.01 per share for 234 shares on June 18, 2026, and $11.16 per share for 4,766 shares on June 22, 2026. These open-market purchase prices are disclosed in the Form 4 filing.

What portion of Eberwein’s STRR holdings are restricted stock and RSUs?

His reported direct position includes 21,125 shares of restricted stock and 6,750 RSUs. Each restricted share and RSU represents the right to receive one share of Star Equity Holdings common stock upon settlement under the company’s 2009 Incentive Stock and Awards Plan.

Does the STRR Form 4 include any indirect share ownership for the CEO?

The filing states that 2,000 shares are indirectly owned in contributory 401(k) and IRA accounts. These indirect holdings are excluded from the reported 1,115,714 directly held shares in the main position disclosed for Jeffrey E. Eberwein.