Star Equity (STRR) CEO Jeffrey Eberwein adds 5,396 shares in open-market buys

Rhea-AI Filing Summary

Star Equity Holdings, Inc. Chief Executive Officer Jeffrey E. Eberwein reported multiple open-market purchases of the company’s common stock. On May 22, May 26, and May 27, 2026, he bought a total of 5,396 shares at weighted average prices between $11.06 and $11.76 per share.

After these transactions, he directly owns 1,064,780 shares of common stock. A footnote explains this includes 21,125 shares of restricted stock, 6,750 RSUs, and 1,036,905 shares of common stock, and excludes 1,690 shares indirectly owned in contributory 401(k) and IRA accounts.

Insider Trade Summary

Net Buyer: 5,396 shares ($62,368)

Net Buy 3 txns

Insider Eberwein Jeffrey E.

Role Chief Executive Officer

Bought 5,396 shs ($62K)

Type	Security	Shares	Price	Value
Purchase	Common Stock.	2,288	$11.76	$27K
Purchase	Common Stock.	2,414	$11.51	$28K
Purchase	Common Stock.	694	$11.06	$8K

Holdings After Transaction: Common Stock. — 1,064,780 shares (Direct, null)

Footnotes (1)

1. The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were purchased in multiple transactions at prices ranging from $10.90 to $11.26 on May 22, 2026, $11.40 to $11.51 on May 26, 2026, and $11.51 to $11.76 on May 27, 2026, inclusive. 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 purchased at each separate price such shares were purchased. Includes (i) 21,125 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Plan; (ii) 6,750 RSUs; and (iii) 1,036,905 shares of common stock. Excludes 1,690 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

Total shares purchased: 5,396 shares Price on May 27, 2026: $11.76 per share Price on May 26, 2026: $11.51 per share +5 more

8 metrics

Total shares purchased 5,396 shares Open-market buys on May 22, 26, and 27, 2026

Price on May 27, 2026 $11.76 per share Weighted average purchase price for 2,288 shares

Price on May 26, 2026 $11.51 per share Weighted average purchase price for 2,414 shares

Price on May 22, 2026 $11.06 per share Weighted average purchase price for 694 shares

Direct holdings after transactions 1,064,780 shares Total common stock directly owned following the latest purchase

Restricted stock included 21,125 shares Restricted stock credited under the 2009 Incentive Plan

RSUs included 6,750 RSUs RSUs counted in the reported direct holdings

Indirectly owned shares excluded 1,690 shares Shares in contributory 401(k) and IRA accounts

Key Terms

open-market purchase, weighted average price, restricted stock, RSUs, +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.

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.

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

"Includes (ii) 6,750 RSUs"

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 Plan financial

"restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Plan"

Form 4 Insider Transactions: What Each Field Means →

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 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)
05/22/2026

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
Common Stock.	05/22/2026		P		694	A	$11.06(1)	1,060,078(2)	D
Common Stock.	05/26/2026		P		2,414	A	$11.51(1)	1,062,492(2)	D
Common Stock.	05/27/2026		P		2,288	A	$11.76(1)	1,064,780(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. The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were purchased in multiple transactions at prices ranging from $10.90 to $11.26 on May 22, 2026, $11.40 to $11.51 on May 26, 2026, and $11.51 to $11.76 on May 27, 2026, inclusive. 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 purchased at each separate price such shares were purchased.

2. Includes (i) 21,125 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Plan; (ii) 6,750 RSUs; and (iii) 1,036,905 shares of common stock. Excludes 1,690 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	05/27/2026
	** 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 transactions did Star Equity Holdings CEO Jeffrey E. Eberwein report?

Jeffrey E. Eberwein reported three open-market purchases of Star Equity Holdings common stock, totaling 5,396 shares. The trades occurred on May 22, May 26, and May 27, 2026, at weighted average prices slightly above eleven dollars per share.

How many Star Equity Holdings shares did the CEO buy and at what prices?

The CEO purchased 5,396 Star Equity Holdings common shares in open-market transactions. Reported weighted average prices were $11.06, $11.51, and $11.76, with detailed footnotes noting trade ranges from $10.90 up to $11.76 across the three trading days.

What is Jeffrey E. Eberwein’s Star Equity Holdings ownership after these purchases?

After the reported purchases, Jeffrey E. Eberwein directly owns 1,064,780 Star Equity Holdings shares. A footnote clarifies this includes 21,125 restricted shares, 6,750 RSUs, and 1,036,905 common shares, and excludes 1,690 shares held indirectly in contributory 401(k) and IRA accounts.

Are the reported prices for the CEO’s Star Equity share purchases exact trade prices?

The prices disclosed are weighted average prices rounded to the nearest cent, not each exact trade price. A footnote states the shares were bought in multiple transactions within specified price ranges and that detailed trade-level pricing is available from the issuer or the reporting person upon request.

How are restricted stock and RSUs treated in the CEO’s Star Equity share total?

The filing explains that each share of restricted stock and each RSU represents the right to receive one common share at settlement. The CEO’s reported total direct holdings therefore include 21,125 restricted shares and 6,750 RSUs in addition to 1,036,905 common shares.