| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Stout Stephen | General Counsel, Corporate Secretary and Chief Ethics and Compliance Officer | C/O SHATTUCK LABS, INC., 500 W. 5TH STREET, SUITE 1200, AUSTIN | /s/ Stephen Stout | 27 Jan 2026 | 0001970664 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STTK | Common Stock | Tax liability | $2,461 | -593 | -0.72% | $4.15 | 81,529 | 25 Jan 2026 | Direct |
General Counsel, Corporate Secretary and Chief Ethics and Compliance Officer