Jeffrey E. Eberwein - 08 Dec 2025 Form 4 Insider Report for Star Equity Holdings, Inc. (HSON)

Reporting relationship: Chief Executive Officer, Director, 10%+ Owner
Issuer ticker: HSON
Reported as of: 08 Dec 2025
Net transaction value: -$2.92
SEC form: 4
Accepted by SEC: 10 Dec 2025, 16:01:17 UTC
Prior SEC filing: 24 Nov 2025
Next SEC filing: 29 Dec 2025
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. (HSON) on 10 Dec 2025.

Key facts

This page summarizes Jeffrey E. Eberwein's Form 4 filing for Star Equity Holdings, Inc. (HSON).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 10 Dec 2025, 16:01.

Change

Previous filing in this sequence was filed on 24 Nov 2025.
Current net transaction value: -$2.92.

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: 10 Dec 2025

Reported non-derivative transactions

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

STRR transaction

Common Stock

Purchase

Transaction value: $2,999,991
Shares: +287,631
Change %: +41%
Price: $10.43
Shares after: 990,847
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1, F2

STRR transaction

Series A Preferred Stock

Sale

Transaction value: $2,999,994
Shares: -320,855
Change %: -28%
Price: $9.35
Shares after: 810,217
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

December 8, 2025, Mr. Eberwein entered into a securities exchange agreement with the Issuer, pursuant to which Mr. Eberwein purchased from the Issuer, 287,631 shares of common stock, in exchange for Mr. Eberwein transferring 320,855 shares of Preferred Stock to the Issuer.

Footnote F2

Includes 8,918 of Restricted Stock Units ("RSUs") which represent the right to receive, at settlement, one share of common stock.