Shattuck Labs, Inc. — Director's Dealing 2021

May 18, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Shattuck Labs, Inc. (STTK)
CIK: 0001680367
Period of Report: 2021-05-13

Reporting Person: Hornblower Josiah (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-13	Common Stock	S	10090	$25.8774	Disposed	3264295	Indirect
2021-05-14	Common Stock	S	11095	$26.2364	Disposed	3253200	Indirect
2021-05-17	Common Stock	S	6336	$26.3035	Disposed	3246864	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	79356	Indirect

Footnotes

F1: This transaction was executed pursuant to a Rule 10b5-1 trading plan in multiple trades at prices ranging from $24.475 to $27.86. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2: This transaction was executed pursuant to a Rule 10b5-1 trading plan in multiple trades at prices ranging from $25.09 to $27.87. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F3: This transaction was executed pursuant to a Rule 10b5-1 trading plan in multiple trades at prices ranging from $25.455 to $26.91. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.