Star Equity Holdings, Inc. (STRR)
Nasdaq: STRR · Services-Help Supply Services · Old Greenwich, CT · filing with the SEC since 2002
Who owns Star Equity Holdings, Inc.
As filed with the SECHolders of 5% or more
2
Jeffrey E. Eberwein holds 30.7% of Common Stock, par value $0.001 per share, as its SCHEDULE 13D/A filed Jun 29, 2026 says.
Directors and officers
12
report now, of 18 people on the record since 2012. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Jeffrey E. Eberwein
SCHEDULE 13D/A · filed Jun 29, 2026 · Common Stock, par value $0.001 per share · 29.5% in Jun 1, 2026
Mink Brook Capital GP LLC
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock · 10% in Jul 29, 2025
Heartland Advisors Inc
SCHEDULE 13G/A · filed Aug 28, 2025 · Common Stock · reported falling below 5%, from 10.7% in Feb 8, 2024
The Vanguard Group
SCHEDULE 13G/A · filed Oct 31, 2025 · Common Stock · reported falling below 5%
Hotchkis and Wiley Capital Management, LLC
SCHEDULE 13G/A · filed Oct 7, 2025 · Common Stock, $0.001 par value · reported falling below 5%, from 10.7% in Oct 7, 2025
What STRR reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Alliance Drilling Tools, LLC (ADT)
An entity · legal entity · owns, named in the 10-K filed Mar 20, 2026
Alpha Consulting Group Acquisition
A company bought · acquisition · Jul 2025 · owns, named in the 10-K filed Mar 20, 2026
Star Equity Holdings, Inc.
A company bought · acquisition · owns, named in the 10-K filed Mar 20, 2026
47 subsidiaries in 19 countries, from the list filed with the 10-K filed Mar 20, 2026.
Insider tradesForm 4
25sales
49purchases
17sales on a scheduled plan
1people selling
$3.6Msold, in dollars
$4.5Mbought, in dollars
Open-market trades on Form 4 from Nov 10, 2025 to Nov 10, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 10, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window8 of 21 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Eberwein Jeffrey E. | Chief Executive Officer | 25 | $3.6M | 17 | 30 | $4.4M |
| Fruhbeis Todd Michael | director | 0 | $0 | 0 | 11 | $0 |
| Coleman Richard Kenneth Jr. | Chief Operating Officer | 0 | $0 | 0 | 2 | $0 |
| Parks Louis A. | director | 0 | $0 | 0 | 2 | $0 |
| Zabkowicz Jacob | CEO Hudson Talent SolutionsLLC | 0 | $0 | 0 | 1 | $0 |
| Palmer Jennifer | director | 0 | $0 | 0 | 1 | $0 |
| Drake Mimi K | director | 0 | $0 | 0 | 1 | $0 |
| Pearse Robert G. | director | 0 | $0 | 0 | 1 | $0 |