Comparable stake leader
Jeffrey E. Eberwein
SEC ownership of Star Equity Holdings, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001210708.
Disclosed value leader
Jeffrey E. Eberwein
Comparable rows
35/41
Latest evidence
02 Jun 2026
- Public ticker
- STRR, STRRP on Nasdaq
- Parsed ownership sources
- 3/4/5, 13D/G, and 13F
- Largest SEC-reported holder
- Jeffrey E. Eberwein
- Latest 13D/G holder
- Jeffrey E. Eberwein
- Latest parsed ownership date
- 02 Jun 2026
- Issuer CIK
- 0001210708
- Issuer location
- Old Greenwich, CT
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Star Equity Holdings, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Jeffrey E. Eberwein
Disclosed value leader
Jeffrey E. Eberwein
Comparable rows
35/41
Latest evidence
02 Jun 2026
3/4/5
13D/G
13F
Lead comparable stake: 30%
6 rows are not safely comparable across share classes.
13D/G row: Jeffrey E. Eberwein
Showing 1-8 of 41 holder rows.
Quick read
Jeffrey E. Eberwein leads the comparable SEC ownership view at 30%.
35 of 41 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Jeffrey E. Eberwein's linked filing trail.
Comparable ownership
Top 5
Jeffrey E. Eberwein
30%
Mink Brook Partners LP
9.2%
HEARTLAND ADVISORS INC
4.9%
VANGUARD GROUP INC
4.2%
HOTCHKIS & WILEY CAPITAL MANAGEME...
0.34%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 41 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Jeffrey E. Eberwein |
3/4/5
13D/G
Chief Executive Officer, Director, 10%+ Owner
|
30%
from 13D/G
|
$20,130,989
1,902,875 shares
mixed-class rows
|
+$904,711 | 02 Jun 2026 |
| Mink Brook Partners LP |
13D/G
Mink Brook Capital GP LLC
|
9.2%
|
$3,496,728
314,454 shares
|
+$444,333 | 30 Sep 2025 |
| HEARTLAND ADVISORS INC |
13D/G
|
4.9%
|
$1,451,670
170,584 shares
|
$0 | 25 Aug 2025 |
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
4.2%
|
$1,718,178
149,018 shares
|
$0 | 30 Sep 2025 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13F
13D/G
Company · Hotchkis and Wiley Capital Management, LLC
|
0.34%
from 13D/G
|
$122,538
11,920 shares
|
— | 31 Mar 2026 |
| Jacob Zabkowicz |
3/4/5
CEO Hudson Talent SolutionsLLC
|
4.8%
|
$1,918,956
180,863 shares
|
+$1,592 | 31 Mar 2026 |
| Mimi K. Drake |
3/4/5
Director
|
1.2%
|
$450,613
43,834 shares
|
— | 27 May 2026 |
| Connia M. Nelson |
3/4/5
Director
|
1.1%
|
$419,979
40,854 shares
|
— | 27 May 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$1,073,847.
Buys
$4,805,815
Insiders: 5
Sells
$3,731,968
Insiders: 1
Net
+$1,073,847
Shares: +57,174
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 455,371
Shares: 398,197
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 53,995 | 23,000 | $595,973 | $229,020 | +$366,954 |
| 3-6 | 16,977 | 23,000 | $190,714 | $213,769 | -$23,054 |
| 6-9 | 375,538 | 351,960 | $3,937,421 | $3,287,001 | +$650,420 |
| 9-12 | 8,861 | 237 | $81,706 | $2,178 | +$79,528 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-13 of 13 reporting-owner rows connected to Star Equity Holdings, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
13
Largest Forms 3/4/5 holder
Jeffrey E. Eberwein
Net 12M change
+$1,073,848
Latest report
02 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Jeffrey E. Eberwein | Chief Executive Officer, Director, 10%+ Owner | $20,130,989 | +$904,711 | +4.7% | Mixed | 02 Jun 2026 |
| Jacob Zabkowicz | CEO Hudson Talent SolutionsLLC | $1,918,956 | +$1,592 | +0.08% | Filing P/S | 31 Mar 2026 |
| Ian V Nash | Director | $1,026,579 | Mixed | 17 Aug 2023 | ||
| Mimi K. Drake | Director | $450,613 | Median | 27 May 2026 | ||
| Connia M. Nelson | Director | $419,979 | Median | 27 May 2026 | ||
| Robert G. Pearse | Director | $295,221 | Median | 27 May 2026 | ||
| Richard K. Coleman Jr. | Chief Operating Officer | $293,591 | +$71,803 | +32% | Mixed | 19 Mar 2026 |
| Todd Michael Fruhbeis | Director | $230,626 | +$56,936 | +33% | Filing P/S | 01 Jun 2026 |
| Matthew K. Diamond | Chief Accounting Officer | $207,399 | Median | 29 May 2026 | ||
| Louis A. Parks | Director | $183,430 | +$38,806 | +27% | Filing P/S | 29 May 2026 |
| Jennifer Palmer | Director | $136,446 | Median | 27 May 2026 | ||
| Shawn S. Miles | Executive Vice President | $88,863 | Mixed | 25 Mar 2026 | ||
| Hannah M. Bible | Chief Legal Officer | $31,961 | Mixed | 25 Mar 2026 |
Recent insider transactions for Star Equity Holdings, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.13% | $16,459 | $11.51 | 1,430 | 1,087,538 | 04 Jun 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.01% | $1,163 | $11.51 | 101 | 1,086,108 | 03 Jun 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.45% | $56,668 | $11.61 | 4,881 | 1,086,007 | 02 Jun 2026 | Direct |
| Todd Michael Fruhbeis | STRR | Common Stock | Purchase | 3.69% | $8,204 | $11.72 | 700 | 19,678 | 01 Jun 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.14% | $17,176 | $11.59 | 1,482 | 1,081,126 | 01 Jun 2026 | Direct |
| Louis A. Parks | STRR | Common Stock | Purchase | 6.75% | $11,600 | $11.60 | 1,000 | 15,813 | 29 May 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.34% | $42,527 | $11.61 | 3,663 | 1,079,644 | 29 May 2026 | Direct |
| Matthew K. Diamond | STRR | Common Stock | Tax liability | -3.64% | -763 | 20,175 | 29 May 2026 | Direct | ||
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 1.05% | $132,284 | $11.81 | 11,201 | 1,075,981 | 28 May 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock | Purchase | 62% | $3,624 | $11.69 | 310 | 810 | 28 May 2026 | By Contributory 401k |
| Mimi K. Drake | STRR | Common Stock | Award | 14.4% | 5,504 | 43,834 | 27 May 2026 | Direct | ||
| Robert G. Pearse | STRR | Common Stock | Award | 23.7% | 5,504 | 28,718 | 27 May 2026 | Direct | ||
| Connia M. Nelson | STRR | Common Stock | Award | 15.6% | 5,504 | 40,854 | 27 May 2026 | Direct | ||
| Todd Michael Fruhbeis | STRR | Common Stock | Award | 40.8% | 5,504 | 18,978 | 27 May 2026 | Direct | ||
| Jennifer Palmer | STRR | Common Stock | Award | 70.8% | 5,504 | 13,273 | 27 May 2026 | Direct | ||
| Louis A. Parks | STRR | Common Stock | Award | 59.1% | 5,504 | 14,813 | 27 May 2026 | Direct | ||
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.22% | $26,907 | $11.76 | 2,288 | 1,064,780 | 27 May 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.23% | $27,785 | $11.51 | 2,414 | 1,062,492 | 26 May 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.07% | $7,676 | $11.06 | 694 | 1,060,078 | 22 May 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.4% | $45,758 | $10.90 | 4,198 | 1,059,384 | 21 May 2026 | Direct |
| Todd Michael Fruhbeis | STRR | Common Stock | Purchase | 3.06% | $4,392 | $10.98 | 400 | 13,474 | 21 May 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 0.04% | $4,133 | $10.18 | 406 | 1,055,186 | 20 May 2026 | Direct |
| Todd Michael Fruhbeis | STRR | Common Stock | Purchase | 0.01% | $10.25 | $10.25 | 1 | 13,074 | 20 May 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Common Stock. | Purchase | 1.33% | $139,232 | $10.09 | 13,799 | 1,054,780 | 19 May 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Series A Preferred Stock | Options Exercise | 0.11% | 860 | 765,077 | 19 May 2026 | Direct | ||
| Jeffrey E. Eberwein | STRR | Restricted Stock Unit | Options Exercise | -100% | -860 | 0 | 19 May 2026 | Direct | ||
| Todd Michael Fruhbeis | STRR | Series A Preferred Stock | Options Exercise | 11.7% | 535 | 5,111 | 19 May 2026 | Direct | ||
| Todd Michael Fruhbeis | STRR | Restricted Stock Unit | Options Exercise | -100% | -535 | 0 | 19 May 2026 | Direct | ||
| Jennifer Palmer | STRR | Series A Preferred Stock | Options Exercise | 460 | 460 | 19 May 2026 | Direct | |||
| Jennifer Palmer | STRR | Restricted Stock Unit | Options Exercise | -100% | -460 | 0 | 19 May 2026 | Direct | ||
| Louis A. Parks | STRR | Series A Preferred Stock | Options Exercise | 485 | 485 | 19 May 2026 | Direct | |||
| Louis A. Parks | STRR | Restricted Stock Unit | Options Exercise | -100% | -485 | 0 | 19 May 2026 | Direct | ||
| Jeffrey E. Eberwein | STRR | Common Stock. | Award | 0.63% | 6,504 | 1,040,981 | 15 Apr 2026 | Direct | ||
| Jacob Zabkowicz | STRR | Common Stock. | Purchase | 0.08% | $1,592 | $10.61 | 150 | 180,863 | 31 Mar 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Series A Preferred Stock | Sale | -1% | $76,834 | $9.95 | -7,722 | 764,217 | 30 Mar 2026 | Direct |
| Todd Michael Fruhbeis | STRR | Common Stock | Purchase | 6.52% | $8,095 | $10.12 | 800 | 13,073 | 27 Mar 2026 | Direct |
| Louis A. Parks | STRR | Common Stock | Purchase | 19.2% | $15,015 | $10.01 | 1,500 | 9,309 | 27 Mar 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Series A Preferred Stock | Sale | -0.94% | $73,393 | $9.98 | -7,354 | 771,939 | 27 Mar 2026 | Direct |
| Todd Michael Fruhbeis | STRR | Common Stock | Purchase | 6.97% | $8,126 | $10.16 | 800 | 12,273 | 26 Mar 2026 | Direct |
| Jeffrey E. Eberwein | STRR | Series A Preferred Stock | Sale | -0.05% | $4,168 | $9.83 | -424 | 779,293 | 26 Mar 2026 | Direct |
| Richard K. Coleman Jr. | STRR | Common Stock | Options Exercise | 5.17% | 982 | 19,977 | 25 Mar 2026 | Direct | ||
| Richard K. Coleman Jr. | STRR | Common Stock | Purchase | 5.42% | $9,721 | $9.95 | 977 | 18,995 | 25 Mar 2026 | Direct |
| Richard K. Coleman Jr. | STRR | Restricted Stock Unit | Options Exercise | -33.3% | -982 | 1,964 | 25 Mar 2026 | Direct | ||
| Todd Michael Fruhbeis | STRR | Common Stock | Purchase | 7.5% | $7,826 | $9.78 | 800 | 11,473 | 25 Mar 2026 | Direct |
| Todd Michael Fruhbeis | STRR | Common Stock | Options Exercise | 4.5% | 460 | 10,673 | 25 Mar 2026 | Direct | ||
| Todd Michael Fruhbeis | STRR | Restricted Stock Unit | Options Exercise | -100% | -460 | 0 | 25 Mar 2026 | Direct | ||
| Louis A. Parks | STRR | Common Stock | Options Exercise | 5.64% | 417 | 7,809 | 25 Mar 2026 | Direct | ||
| Louis A. Parks | STRR | Restricted Stock Unit | Options Exercise | -100% | -417 | 0 | 25 Mar 2026 | Direct | ||
| Hannah M. Bible | STRR | Common Stock | Tax liability | -3.89% | -115 | 2,841 | 25 Mar 2026 | Direct | ||
| Hannah M. Bible | STRR | Common Stock | Options Exercise | 11.8% | 312 | 2,956 | 25 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.