Shattuck Labs, Inc. — Director's Dealing 2026

Jan 13, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Shattuck Labs, Inc. (STTK)
CIK: 0001680367
Period of Report: 2026-01-10

Reporting Person: DeYoung Casi (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-10	Common Stock	F	5699	$4.75	Disposed	75766	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-10	Common Stock	$4.75	A	381600	Acquired	2036-01-10	Common Stock (381600)	Direct

Footnotes

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.