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 *
Walbert Timothy P

(Last) (First) (Middle)
C/O LATIGO BIOTHERAPEUTICS, INC.
1300 RANCHO CONEJO BLVD., SUITE 305

(Street)
THOUSAND OAKS CA 91320

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
08/06/2026
3. Issuer Name and Ticker or Trading Symbol
Latigo Biotherapeutics, Inc. [ LTGO ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
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)
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)
Date Exercisable Expiration Date Title Amount or Number of Shares
Director Stock Option (right to buy)   (1) 10/29/2034 Common Stock 259,770 2.19 D  
Director Stock Option (right to buy)   (2) 02/04/2035 Common Stock 38,914 5.53 D  
Director Stock Option (right to buy)   (2) 04/07/2035 Common Stock 31,135 5.53 D  
Explanation of Responses:
1. The shares subject to this option shall vest in 48 equal monthly installments after October 30, 2024. The shares subject to this option are early exercisable, subject to the Issuer's right of repurchase.
2. One-fourth of the total shares subject to this option shall vest one year after January 28, 2025, and thereafter 1/48th of the total shares subject to this option shall vest on each monthly anniversary thereof. The shares subject to this option are early exercisable, subject to the Issuer's right of repurchase.
/s/ Sabrina Nieder, Attorney-in-Fact 08/06/2026
** 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.

ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

ex24-08072026_120836.htm