| 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 | 08 Jan 2026 | 0001731414 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SI | Common Stock | Award | $13,084 | +1,076 | +2% | $12.16 | 55,521 | 31 Dec 2025 | Direct | F1, F2 |
| holding | SI | Common Stock | 50 | 31 Dec 2025 | By son |
| Id | Content |
|---|---|
| F1 | The Reporting Person is voluntarily reporting the acquisition of shares under the Issuer's 2025 Employee Stock Purchase Plan ("ESPP") . |
| F2 | In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the Issuer's common stock on December 31, 2025. |