🕵️ Shoulder Innovations, Inc. ($SI)

SEC insider & ownership activity, last 12 months · CIK 1699350 · every row links its SEC filing

Over the last 12 months insiders sold $5.5M against $215K of open-market buying. Gilde Healthcare Holding B.v. sold $4.4M (Jul–Aug). No red-flag 8-Ks in the window.

Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net +$137K Jan 2026: net +$0 Feb 2026: net +$0 Mar 2026: net +$78K Apr 2026: net +$0 May 2026: net +$0 Jun 2026: net -$374K Jul 2026: net -$1.1M Aug 2026: net -$3.8M Sep 2026: net -$188K
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

3 buyers, $215K (7 lots) · 3 sellers, $5.5M (17 lots)

InsiderBuysBoughtSellsSoldLast
Gilde Healthcare Holding B.v.0– 10$4.4MAug 26, 2026
Matthew Ahearn0– 6$839KAug 18, 2026
Ball Robert Joseph3$140K 1$188KSep 14, 2026
Jeffrey S. Points3$60K 0–Mar 13, 2026
Buchholz Richard1$15K 0–Mar 13, 2026

5%+ holders

HolderStakeClassScheduleEvent
FMR LLC 17.7% 13GAug 6, 2026 filing ↗
Abigail P. Johnson 17.7% 13GAug 6, 2026 filing ↗
Casey M. Tansey 13.3% 13GNov 14, 2025 filing ↗
Presidio Management Group XII, L.L.C. 13.1% 13GNov 14, 2025 filing ↗
Gilde Healthcare V Management B.V. 10.7% 13DAug 5, 2026 filing ↗
Cooperatieve Gilde Healthcare V U.A. 10.7% 13DAug 5, 2026 filing ↗
Manapouri B.v. 10.7% 13DAug 5, 2026 filing ↗
Martemanshurk B.v. 10.7% 13DAug 5, 2026 filing ↗
Gilde Healthcare Holding B.v. 10.7% 13DAug 5, 2026 filing ↗
LSV Associates II, LLC 9.3% 13GNov 14, 2025 filing ↗
Michael A. Carusi 9.3% 13GNov 14, 2025 filing ↗
Jean George 9.3% 13GNov 14, 2025 filing ↗
Henry A. Plain Jr. 9.3% 13GNov 14, 2025 filing ↗
Lightstone Ventures II, L.P. 8.7% 13GNov 14, 2025 filing ↗
U.S. Venture Partners XII, L.P. 8.2% 13GNov 14, 2025 filing ↗
Arboretum Ventures VI, L.P. 5.8% 13GAug 8, 2025 filing ↗
Arboretum Investment Manager VI, LLC 5.8% 13GAug 8, 2025 filing ↗
Jan L. Garfinkle 5.8% 13GAug 8, 2025 filing ↗
Daniel M. Kidle 5.8% 13GAug 8, 2025 filing ↗
Thomas M. Shehab 5.8% 13GAug 8, 2025 filing ↗

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Robert Ball$188KSep 14, 2026 filing ↗
Matthew Ahearn$466KAug 17, 2026 filing ↗
Gilde Healthcare Holding B.V.; Cooperatieve Gilde Healthcare V U.A.$4.8MJul 29, 2026 filing ↗
Matthew Ahearn$375KJun 12, 2026 filing ↗

Material events (8-K)

ItemEvent date
Reg FD disclosure (7.01)Aug 10, 2026 filing ↗
Financial Statements and Exhibits (9.01)Aug 10, 2026 filing ↗
Earnings (2.02)Aug 6, 2026 filing ↗
Financial Statements and Exhibits (9.01)Aug 6, 2026 filing ↗
Material agreement (1.01)Jun 26, 2026 filing ↗
Agreement terminated (1.02)Jun 26, 2026 filing ↗
New financial obligation (2.03)Jun 26, 2026 filing ↗
Reg FD disclosure (7.01)Jun 26, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jun 26, 2026 filing ↗
Shareholder vote (5.07)Jun 26, 2026 filing ↗
Earnings (2.02)May 13, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 13, 2026 filing ↗
Reg FD disclosure (7.01)Apr 27, 2026 filing ↗
Financial Statements and Exhibits (9.01)Apr 27, 2026 filing ↗
Material agreement (1.01)Apr 13, 2026 filing ↗
Earnings (2.02)Mar 10, 2026 filing ↗
Officer/director changes (5.02)Mar 10, 2026 filing ↗
Financial Statements and Exhibits (9.01)Mar 10, 2026 filing ↗
Officer/director changes (5.02)Feb 26, 2026 filing ↗
Reg FD disclosure (7.01)Feb 26, 2026 filing ↗
Financial Statements and Exhibits (9.01)Feb 26, 2026 filing ↗
Reg FD disclosure (7.01)Dec 3, 2025 filing ↗
Financial Statements and Exhibits (9.01)Dec 3, 2025 filing ↗
Earnings (2.02)Nov 11, 2025 filing ↗
Financial Statements and Exhibits (9.01)Nov 11, 2025 filing ↗