| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Points Jeffrey S. | Chief Financial Officer | C/O SHOULDER INNOVATIONS, INC., 1535 STEELE AVENUE SW, SUITE B, GRAND RAPIDS | /s/ Jeffrey S. Points | 15 Dec 2025 | 0001731414 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SI | Common Stock | Purchase | $14,577 | +995 | +1.9% | $14.65 | 53,440 | 11 Dec 2025 | Direct | |
| transaction | SI | Common Stock | Purchase | $15,055 | +1,005 | +1.9% | $14.98 | 54,445 | 12 Dec 2025 | Direct | |
| holding | SI | Common Stock | 50 | 11 Dec 2025 | By son |