| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ball Robert Joseph | CEO & Executive Chairman, Director | C/O SHOULDER INNOVATIONS, INC., 1535 STEELE AVENUE SW, SUITE B, GRAND RAPIDS | /s/ Jeffrey Points, as Attorney-in-Fact | 03 Feb 2026 | 0002070664 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SI | Stock Option | Award | $0 | +265,351 | $0.000000 | 265,351 | 30 Jan 2026 | Common Stock | 265,351 | $14.16 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The stock option vests as to one-fourth of the underlying shares on March 1st each year, beginning on March 1, 2027. |