[Form 4] ALX ONCOLOGY HOLDINGS INC Insider Trading Activity

ALX Oncology Holdings Inc. director Alan B. Sandler reported a new stock option grant for 10,100 shares of common stock.

Rhea-AI Filing Summary

ALX Oncology Holdings Inc. director Alan B. Sandler reported a new stock option grant for 10,100 shares of common stock. The option has an exercise price of $1.32 per share and was awarded on January 20, 2026. According to the filing, these option shares vest in 12 equal monthly installments beginning on February 20, 2026, spreading vesting over one year. The option expires on January 19, 2036, and Sandler is shown as directly holding 10,100 derivative securities following this transaction, reflecting this newly granted award.

Insider Trade Summary

Grant/Award: 10,100 shares

Grant/Award 1 txn

Insider Sandler Alan B.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock option (right to buy)	10,100	$0.00	$0.00

Holdings After Transaction: Stock option (right to buy) — 10,100 contracts (Direct)

Footnotes (1)

1. F1. Shares subject to the option vest in 12 equal monthly installments beginning on February 20, 2026.

FAQ

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

What did ALX Oncology (ALXO) director Alan B. Sandler report on this Form 4?

He reported receiving a stock option grant for 10,100 shares of ALX Oncology Holdings Inc. common stock as a derivative security.

What is the exercise price of the new ALX Oncology (ALXO) stock option grant?

The stock option has an exercise price of $1.32 per share for the underlying ALX Oncology common stock.

How do the 10,100 ALX Oncology (ALXO) option shares vest for Alan B. Sandler?

The filing states that the 10,100 option shares vest in 12 equal monthly installments beginning on February 20, 2026.

When does Alan B. Sandler’s ALX Oncology (ALXO) stock option expire?

The reported stock option on ALX Oncology common stock expires on January 19, 2036.

How many derivative securities does Alan B. Sandler hold after this ALX Oncology (ALXO) transaction?

After this grant, he is shown as beneficially owning 10,100 derivative securities, corresponding to the new stock option award.

Is this ALX Oncology (ALXO) Form 4 transaction a purchase or a grant?

The transaction code is “A”, indicating an award/grant of a stock option (right to buy) rather than an open-market purchase or sale.

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

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Accepted by SEC EDGAR 01/21/2026 - 04:30 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^*

Sandler Alan B.

(Last) (First) (Middle)

C/O ALX ONCOLOGY HOLDINGS INC.

323 ALLERTON AVENUE

(Street)

SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/20/2026

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

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
Stock option (right to buy)	$1.32	01/20/2026		A		10,100		(1)	01/19/2036	Common Stock	10,100	$0	10,100	D

Explanation of Responses:

1. Shares subject to the option vest in 12 equal monthly installments beginning on February 20, 2026.

	/s/ Shelly Pinto, by power of attorney	01/21/2026
	** 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.