Michael A Carusi bought $4.0M of SI
director at SHOULDER INNOVATIONS, INC.. 266,666 shares at an average of $15.00, traded Aug 1, 2025, filed Aug 5, 2025.
Score components
- +15RoleDirector
- +25Trade size$4.0M at market
- +3Relative to holdingsHoldings up 16%
- +10Price context0% above the 52-week low
- +15Cluster7 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
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.
This signal so far: 1m +7.8%, 3m -21.1%, 6m -5.4%.
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 0001641172-25-022246, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 1, 2025 | CConversion Common Stockindirect: See Footnotes | +1,618,470 | - | - | 1,618,470 | Aug 5, 2025 |
| Aug 1, 2025 | POpen-market purchase Common Stockindirect: See Footnotes | +266,666 | $15.00 | $4.0M | 1,885,136 | Aug 5, 2025 |
| Aug 1, 2025 | AGrant or award Common Stock | +7,666 | $0.00 | $0 | 7,666 | Aug 5, 2025 |
| Aug 1, 2025 | CConversion Series C Convertible Preferred Stockderivativeindirect: See Footnotes | -20,930,233 | - | - | 0 | Aug 5, 2025 |
| Aug 1, 2025 | CConversion Series D Convertible Preferred Stockderivativeindirect: See Footnotes | -9,950,208 | - | - | 0 | Aug 5, 2025 |
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% | |
| 25Weak | SHOULDER INNOVATIONS, INC. | Matthew Fraser Ahearn Chief Operating Officer | $465k 22,500 shares | -8% | |
| 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% |
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.