| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DeYoung Casi | Chief Business Officer | C/O SHATTUCK LABS, INC., 500 W. 5TH STREET, SUITE 1200, AUSTIN | /s/ Andrew R. Neill, Attorney-in-fact for Casi DeYoung | 27 Jan 2026 | 0001652066 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STTK | Common Stock | Tax liability | $9,487 | -2,286 | -3% | $4.15 | 73,480 | 25 Jan 2026 | Direct |