Taylor Schreiber - 10 Jan 2026 Form 4 Insider Report for Shattuck Labs, Inc. (STTK)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: STTK
Reported as of: 10 Jan 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 Jan 2026, 16:40:01 UTC
Prior SEC filing: 27 Aug 2025
Next SEC filing: 13 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Andrew R. Neill, Attorney-in-Fact for Taylor Schreiber

Key filing fact

Taylor Schreiber filed Form 4 for Shattuck Labs, Inc. (STTK) on 13 Jan 2026.

Key facts

This page summarizes Taylor Schreiber's Form 4 filing for Shattuck Labs, Inc. (STTK).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 13 Jan 2026, 16:40.

Change

Previous filing in this sequence was filed on 27 Aug 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001601942 Primary reporting owner

Schreiber Taylor

Relationship: Chief Executive Officer, Director
Address: C/O SHATTUCK LABS, INC., 500 W. 5TH STREET, SUITE 1200, AUSTIN
Signature: /s/ Andrew R. Neill, Attorney-in-Fact for Taylor Schreiber
Signature date: 13 Jan 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

STTK transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value: $0
Shares: +1,548,300
Change %
Price: $0.000000
Shares after: 1,548,300
Date: 10 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,548,300
Exercise price: $4.75
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

This option represents the right to purchase a total of 1,548,300 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.