DeYoung Casi 4
4 · Shattuck Labs, Inc. · Filed Jan 13, 2026
Insider Transaction Report
Form 4
DeYoung Casi
Chief Business Officer
Transactions
- Tax Payment
Common Stock
2026-01-10$4.75/sh−5,699$27,070→ 75,766 total - Award
Common Stock
[F1]2026-01-10+381,600→ 381,600 totalExercise: $4.75Exp: 2036-01-10→ Common Stock (381,600 underlying)
Footnotes (1)
- [F1]This option represents a right to purchase a total of 381,600 shares of the Issuer's common stock, one quarter of which will vest on January 10, 2027, with the remaining three quarters vesting in equal monthly installments through January 10, 2030, subject to the Reporting Person's continued service to the Issuer.
Signature
/s/ Andrew R. Neill, Attorney-in-fact for Casi DeYoung|2026-01-13