Matthew Fraser Ahearn sold $465k of SI
Chief Operating Officer at SHOULDER INNOVATIONS, INC.. 22,500 shares at an average of $20.66, traded Aug 17, 2026, filed Aug 18, 2026.
Score components
- +20RoleCOO
- +17Trade size$465k at market
- 0Share of holdings soldSold 8.4% of holdings
- +8Cluster2 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0002070582-26-000005, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 14, 2026 | GGift Common Stock10b5-1 | -2,500 | $0.00 | $0 | 266,676 | Aug 18, 2026 |
| Aug 17, 2026 | SOpen-market sale Common Stock10b5-1 | -8,314 | $20.10 | $167k | 258,362 | Aug 18, 2026 |
| Aug 18, 2026 | SOpen-market sale Common Stock10b5-1 | -12,586 | $20.94 | $263k | 245,776 | Aug 18, 2026 |
| Aug 18, 2026 | SOpen-market sale Common Stock10b5-1 | -1,600 | $21.38 | $34k | 244,176 | Aug 18, 2026 |
Related signals
Other insiders at SHOULDER INNOVATIONS, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 22Weak | SIsell SHOULDER INNOVATIONS, INC. | Robert Joseph Ball CEO & Executive Chairman | $188k 10,175 shares | -3% | |
| 25Weak | SHOULDER INNOVATIONS, INC. | Gilde Healthcare Holding B.V. owner | $27k 1,196 shares | -0% | |
| 39Weak | SHOULDER INNOVATIONS, INC. | Gilde Healthcare Holding B.V. owner | $567k 25,097 shares | -1% | |
| 32Weak | SHOULDER INNOVATIONS, INC. | Gilde Healthcare Holding B.V. owner | $213k 9,433 shares | -0% | |
| 45Moderate | SHOULDER INNOVATIONS, INC. | Gilde Healthcare Holding B.V. owner | $2.5M 110,563 shares | -5% | |
| 37Weak | SIsell SHOULDER INNOVATIONS, INC. | Gilde Healthcare Holding B.V. owner | $1.1M 48,279 shares | -2% | |
| 15Weak | SHOULDER INNOVATIONS, INC. | Matthew Fraser Ahearn Chief Operating Officer | $374k 20,000 shares | -7% | |
| 41Moderate | SHOULDER INNOVATIONS, INC. | Robert Joseph Ball CEO & Executive Chairman | $33k 2,200 shares | +1% | |
| 33Weak | SHOULDER INNOVATIONS, INC. | Richard Buchholz director | $15k 1,000 shares | +8% | |
| 42Moderate | SHOULDER INNOVATIONS, INC. | Jeffrey S. Points Chief Financial Officer | $30k 2,000 shares | +3% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.