🕵️ Star Equity Holdings, Inc. ($STRR)

SEC insider & ownership activity, last 12 months · CIK 1210708 · every row links its SEC filing

Over the last 12 months insiders sold $3.7M against $5.2M of open-market buying. Jeffrey E. Eberwein bought $5.1M (Sep–Jun). Jeffrey E. Eberwein added 29.5% → 30.7%. No red-flag 8-Ks in the window.

Oct 2025: net +$0 Nov 2025: net +$214K Dec 2025: net -$23K Jan 2026: net +$0 Feb 2026: net +$0 Mar 2026: net -$169K Apr 2026: net +$0 May 2026: net +$446K Jun 2026: net +$562K Jul 2026: net +$0 Aug 2026: net +$0 Sep 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

8 buyers, $5.2M (62 lots) · 1 seller, $3.7M (12 lots)

InsiderBuysBoughtSellsSoldLast
Jeffrey E. Eberwein42$5.1M 12$3.7MJun 29, 2026
Fruhbeis Todd Michael12$48K 0Jun 12, 2026
Louis A. Parks2$27K 0May 29, 2026
Coleman Richard Kenneth Jr.2$19K 0Mar 25, 2026
Mimi K. Drake1$12K 0Jun 5, 2026
Palmer Jennifer1$8K 0Jun 5, 2026
Robert G. Pearse1$6K 0Jun 5, 2026
Zabkowicz Jacob1$2K 0Mar 31, 2026

5%+ holders

HolderStakeClassScheduleEvent
Jeffrey E. Eberwein 30.7% 13DJun 25, 2026 filing ↗
MINK Brook Capital GP LLC 9.2% 13GNov 14, 2025 filing ↗
William Mueller 9.2% 13GNov 14, 2025 filing ↗
MINK Brook Asset Management LLC 9.2% 13GNov 14, 2025 filing ↗

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Jeffrey E. Eberwein$214KDec 24, 2025 filing ↗
Jeffrey E. Eberwein$248KSep 15, 2025 filing ↗

Material events (8-K)

ItemEvent date
Other events (8.01)Aug 21, 2026 filing ↗
Financial Statements and Exhibits (9.01)Aug 21, 2026 filing ↗
Material agreement (1.01)Aug 14, 2026 filing ↗
Reg FD disclosure (7.01)Aug 14, 2026 filing ↗
Financial Statements and Exhibits (9.01)Aug 14, 2026 filing ↗
Earnings (2.02)Aug 14, 2026 filing ↗
Financial Statements and Exhibits (9.01)Aug 14, 2026 filing ↗
Other events (8.01)Jun 26, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jun 26, 2026 filing ↗
Reg FD disclosure (7.01)Jun 1, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jun 1, 2026 filing ↗
Shareholder vote (5.07)May 27, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 27, 2026 filing ↗
Material agreement (1.01)May 18, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 18, 2026 filing ↗
Other events (8.01)May 15, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 15, 2026 filing ↗
Earnings (2.02)May 11, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 11, 2026 filing ↗
Reg FD disclosure (7.01)Mar 30, 2026 filing ↗
Financial Statements and Exhibits (9.01)Mar 30, 2026 filing ↗
Material agreement (1.01)Mar 27, 2026 filing ↗
New financial obligation (2.03)Mar 27, 2026 filing ↗
Financial Statements and Exhibits (9.01)Mar 27, 2026 filing ↗
Officer/director changes (5.02)Mar 19, 2026 filing ↗
Financial Statements and Exhibits (9.01)Mar 19, 2026 filing ↗
Earnings (2.02)Mar 17, 2026 filing ↗
Shareholder Nominations Pursuant to Exchange Act Rule 14a-11 (5.08)Mar 17, 2026 filing ↗
Financial Statements and Exhibits (9.01)Mar 17, 2026 filing ↗
Material agreement (1.01)Feb 27, 2026 filing ↗