StockCIK 1699350
SHOULDER INNOVATIONS, INC. (SI): Insider Trades and Fund Holdings
In the past 12 months, SHOULDER INNOVATIONS, INC. insiders reported 0 open-market purchases worth $0 and 7 sales worth $1.25M; 2 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$1.25MSold by insiders, 12 months
0Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 14, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 14 | Robert Joseph BallCEO | ▼ SELL | $188K |
| Aug 28 | Gilde Healthcare Holding B.v.10% owner | ▼ SELL | $27K |
| Aug 24 | Gilde Healthcare Holding B.v.10% owner | ▼ SELL | $464K |
| Aug 24 | Gilde Healthcare Holding B.v.10% owner | ▼ SELL | $88K |
| Aug 24 | Gilde Healthcare Holding B.v.10% owner | ▼ SELL | $15K |
| Aug 18 | Matthew Fraser AhearnCOO | ▼ SELL10b5-1 | $298K |
| Aug 18 | Matthew Fraser AhearnCOO | ▼ SELL10b5-1 | $167K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Robert Joseph Ball | CEO | 0 | $0 | 1 | $188K |
| Gilde Healthcare Holding B.v. | 10% owner | 0 | $0 | 4 | $594K |
| Matthew Fraser Ahearn | COO | 0 | $0 | 2 | $465K |
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →