Jeffrey E. Eberwein - 25 Mar 2026 Form 4 Insider Report for Star Equity Holdings, Inc. (STRR)

Reporting relationship: Chief Executive Officer, Director, 10%+ Owner
Issuer ticker: STRR
Reported as of: 25 Mar 2026
Net transaction value: -$152,186
SEC form: 4
Accepted by SEC: 27 Mar 2026, 17:37:39 UTC
Prior SEC filing: 23 Mar 2026
Next SEC filing: 01 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey E. Eberwein

Key filing fact

Jeffrey E. Eberwein filed Form 4 for Star Equity Holdings, Inc. (STRR) on 27 Mar 2026.

Key facts

This page summarizes Jeffrey E. Eberwein's Form 4 filing for Star Equity Holdings, Inc. (STRR).
5 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 27 Mar 2026, 17:37.

Change

Previous filing in this sequence was filed on 23 Mar 2026.
Current net transaction value: -$152,186.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001548312 Primary reporting owner

Eberwein Jeffrey E.

Relationship: Chief Executive Officer, Director, 10%+ Owner
Address: 53 FOREST AVENUE, SUITE 101, OLD GREENWICH
Signature: /s/ Jeffrey E. Eberwein
Signature date: 27 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

STRR transaction

Common Stock.

Options Exercise

Transaction value
Shares: +740
Change %: +0.07%
Price
Shares after: 1,034,477
Date: 25 Mar 2026
Ownership: Direct
Footnotes: F1, F2, F3

STRR transaction

Series A Preferred Stock

Sale

Transaction value: $74,625
Shares: -7,500
Change %: -0.95%
Price: $9.95
Shares after: 779,717
Date: 25 Mar 2026
Ownership: Direct

STRR transaction

Series A Preferred Stock

Sale

Transaction value: $4,168
Shares: -424
Change %: -0.05%
Price: $9.83
Shares after: 779,293
Date: 26 Mar 2026
Ownership: Direct

STRR transaction

Series A Preferred Stock

Sale

Transaction value: $73,393
Shares: -7,354
Change %: -0.94%
Price: $9.98
Shares after: 771,939
Date: 27 Mar 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

STRR transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
Shares: -740
Change %: -100%
Price
Shares after: 0
Date: 25 Mar 2026
Ownership: Direct
Underlying class: Common Stock.
Underlying amount: 740
Exercise price
Footnotes: F1, F2, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote F2

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

Footnote F3

Includes (i) 14,621 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Plan; (ii) 6,750 RSUs; and (iii) 1,013,106 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 shall vest upon the first anniversary of the grant date and represents the right to receive, at settlement, one share of common stock.

Footnote F4

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 740 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on March 25, 2026.