| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Neill Andrew R | Chief Financial Officer | C/O SHATTUCK LABS, INC., 500 W. 5TH STREET, SUITE 1200, AUSTIN | /s/ Andrew R. Neill | 27 Jan 2026 | 0001827204 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STTK | Common Stock | Tax liability | $10,744 | -2,589 | -1.1% | $4.15 | 228,224 | 25 Jan 2026 | Direct |