Shattuck Labs officer disposes of 593 shares

Rhea-AI Filing Summary

Shattuck Labs, Inc. insider transaction: Company officer Stephen Stout, who serves as General Counsel, Corporate Secretary and Chief Ethics and Compliance Officer, reported a disposition of 593 shares of Shattuck Labs common stock on 01/25/2026 at a price of $4.15 per share. After this transaction, he beneficially owned 81,529 shares of common stock in direct ownership form.

Insider Trade Summary

Exercise Price or Tax Liability: 593 shares

Exercise Price or Tax Liability 1 txn

Insider Stout Stephen

Role See Remarks

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	593	$4.15	$2K

Holdings After Transaction: Common Stock — 81,529 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

Who reported an insider transaction in Shattuck Labs, Inc. (STTK)?

The reporting person is Stephen Stout, an officer of Shattuck Labs, Inc. serving as General Counsel, Corporate Secretary and Chief Ethics and Compliance Officer.

What type of security was involved in the STTK Form 4 transaction?

The transaction involved Common Stock of Shattuck Labs, Inc.

How many Shattuck Labs (STTK) shares were disposed of in the reported transaction?

The Form 4 reports a disposition of 593 shares of Shattuck Labs common stock.

What was the reported price per share for the STTK insider transaction?

The reported price per share for the transaction was $4.15.

How many STTK shares does the insider hold after this transaction?

Following the reported transaction, the insider beneficially owns 81,529 shares of Shattuck Labs common stock in direct ownership form.

Was the Shattuck Labs (STTK) Form 4 filed by a single reporting person?

Yes. The Form 4 indicates it was filed by one reporting person, Stephen Stout.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/27/2026 - 04:11 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Stout Stephen

(Last) (First) (Middle)

C/O SHATTUCK LABS, INC.

500 W. 5TH STREET, SUITE 1200

(Street)

AUSTIN TX 78701

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Shattuck Labs, Inc. [ STTK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
01/25/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/25/2026		F		593	D	$4.15	81,529	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

General Counsel, Corporate Secretary and Chief Ethics and Compliance Officer

	/s/ Stephen Stout	01/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.