SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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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

78701

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/23/2023

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	14,975⁽¹⁾	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (Right to Buy)	⁽²⁾	04/09/2031	Common Stock	14,300	$28.23	D
Stock Option (Right to Buy)	⁽³⁾	01/10/2032	Common Stock	34,875	$7.43	D
Stock Option (Right to Buy)	⁽⁴⁾	09/08/2032	Common Stock	13,950	$3.51	D
Stock Option (Right to Buy)	⁽⁵⁾	01/25/2033	Common Stock	23,850	$3.57	D

Explanation of Responses:

1. Consists of 14,975 restricted stock units ("RSUs"), 1,744 of which have vested. 5,231 RSUs will vest in three approximately equal annual installments beginning on January 10, 2024 and 8,000 RSUs will vest in four equal annual installments beginning on January 25, 2024, in each case subject to the Reporting Person's continued service to the Issuer.

2. This option represents a right to purchase a total of 14,300 shares of the Issuer's common stock, 6,852 of which have vested, with the remaining vesting in approximately equal monthly installments through April 10, 2025, subject to the Reporting Person's continued service to the Issuer.

3. This option represents a right to purchase a total of 34,875 shares of the Issuer's common stock, 10,172 of which have vested, with the remaining vesting in approximately equal monthly installments through January 10, 2026, subject to the Reporting Person's continued service to the Issuer.

4. This option represents a right to purchase a total of 13,950 shares of the Issuer's common stock, one-third of which will vest on September 8, 2023 and two-thirds of which will vest on September 8, 2024, subject to the Reporting Person's continued service to the Issuer.

5. This option represents a right to purchase a total of 23,850 shares of the Issuer's common stock, one-quarter of which will vest on January 25, 2024, with the remaining three-quarters vesting in approximately equal monthly installments through December 10, 2025, subject to the Reporting Person's continued service to the Issuer.

Remarks:

Deputy General Counsel and Vice President of Intellectual Property Exhibit 24 - Power of Attorney

	/s/ Stephen Stout	03/31/2023
	** 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 5 (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.