SEC FORM 3

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^*

Klencke Barbara

(Last)

(First)

(Middle)

C/O ALX ONCOLOGY HOLDINGS INC.

323 ALLERTON AVENUE

(Street)

SOUTH SAN FRANCISCO

94080

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/25/2026

3. Issuer Name and Ticker or Trading Symbol
ALX ONCOLOGY HOLDINGS INC [ ALXO ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Medical Officer

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	60,000	D
Common Stock	60,000	I	See footnote⁽¹⁾

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⁾	01/20/2035	Common Stock	40,400	$1.65	D
Stock option (right to buy)	⁽³⁾	09/16/2035	Common Stock	300,000	$1.05	D
Stock option (right to buy)	⁽⁴⁾	01/25/2036	Common Stock	100,000	$1.48	D

Explanation of Responses:

1. The shares are held directly by the reporting person's spouse.

2. Shares subject to the option vest in 36 equal monthly installments beginning on February 21, 2025.

3. One-third of the shares subject to the option vest on each of September 17, 2025, January 31, 2026 and June 30, 2026.

4. Shares subject to the option vest in 12 equal monthly installments beginning on February 26, 2026.

Remarks:

Exhibit 24.1 - Power of Attorney

	/s/ Shelly Pinto, by power of attorney	03/05/2026
	** 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 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.

New insider Klencke Barbara claimed ownership of 120,000 shares (SEC Form 3)