Form4insider filings, from the source

Company · CIK 0001699350 · SIC 3841 — Surgical & Medical Instruments & Apparatus · NYSE

SHOULDER INNOVATIONS, INC. · SI

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $5.1M · 7net −$5.1M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 SForm 4 →Sep 14, 8:23 pm EDTRobert Joseph BallCEO & Executive Chairman, Director10,175$18.45$187,706380,824−2.60%
Sep 14, 2026 MForm 4 →Sep 14, 8:23 pm EDTRobert Joseph BallCEO & Executive Chairman, Director89,233$2.10$187,282390,999—
Aug 26, 2026 SForm 4 →Aug 28, 4:11 pm EDTGilde Healthcare Holding B.V.10% Owner1,196$22.60$27,0302,185,914−0.05%
Aug 20, 2026 SForm 4 →Aug 24, 7:36 pm EDTGilde Healthcare Holding B.V.10% Owner25,097$22.61$567,4112,187,110−1.13%
Aug 17, 2026 SForm 4 →Aug 18, 4:47 pm EDTMatthew Fraser AhearnChief Operating Officer, Director22,500$20.66$464,805244,176−8.44%10b5-1
Aug 14, 2026 GForm 4 →Aug 18, 4:47 pm EDTMatthew Fraser AhearnChief Operating Officer, Director2,500——266,676—10b5-1
Aug 5, 2026 SForm 4 →Aug 7, 4:12 pm EDTGilde Healthcare Holding B.V.10% Owner9,433$22.63$213,4792,212,207−0.42%
Aug 3, 2026 SForm 4 →Aug 5, 4:31 pm EDTGilde Healthcare Holding B.V.10% Owner110,563$22.76$2,516,8742,221,640−4.74%
Jul 30, 2026 SForm 4 →Aug 3, 5:17 pm EDTGilde Healthcare Holding B.V.10% Owner48,279$23.10$1,115,1762,332,203−2.03%

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 MForm 4 →Sep 14, 8:23 pm EDTRobert Joseph BallCEO & Executive Chairman, Director89,233——92,143—