ALX Oncology (ALXO) SVP granted 140,000 options at $1.70

ALX Oncology (ALXO) reported an insider equity award.

Rhea-AI Filing Summary

ALX Oncology (ALXO) reported an insider equity award. On October 14, 2025, the company granted its SVP, Finance and CAO an employee stock option for 140,000 shares of common stock at a $1.70 exercise price, recorded as a grant at $0 price and held directly.

The option vests in two steps: one‑third on April 30, 2026 and the remaining two‑thirds on October 31, 2026. Following the transaction, 140,000 derivative securities were beneficially owned.

Insider Trade Summary

Grant/Award: 140,000 shares

Grant/Award 1 txn

Insider Pinto Shelly

Role SVP, FINANCE AND CAO

Type	Security	Shares	Price	Value
Grant/Award	Employee Stock Option (right to buy)	140,000	$0.00	$0.00

Holdings After Transaction: Employee Stock Option (right to buy) — 140,000 contracts (Direct)

Footnotes (1)

1. F1. One-third of the shares subject to the option vest on April 30, 2026 and the remaining two-thirds of the option vest on October 31, 2026.

FAQ

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

What did ALXO disclose in this Form 4?

An insider received an employee stock option covering 140,000 shares at a $1.70 exercise price on October 14, 2025.

Who is the reporting person and role at ALXO?

The reporting person is an Officer, serving as SVP, Finance and CAO.

What is the vesting schedule for the options?

The option vests one‑third on April 30, 2026 and the remaining two‑thirds on October 31, 2026.

How many derivative securities were owned after the transaction?

Following the grant, 140,000 derivative securities were beneficially owned.

What was the transaction price and form of ownership?

The grant was recorded at $0 (standard for option grants) and is held directly.

What type of security underlies the option?

The derivative is an employee stock option (right to buy) for common stock.

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

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Accepted by SEC EDGAR 10/16/2025 - 12:00 AM 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^*

Pinto Shelly

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, FINANCE AND CAO

3. Date of Earliest Transaction (Month/Day/Year)
10/14/2025

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
Employee Stock Option (right to buy)	$1.7	10/14/2025		A		140,000		(1)	10/14/2035	Common Stock	140,000	$0	140,000	D

Explanation of Responses:

1. One-third of the shares subject to the option vest on April 30, 2026 and the remaining two-thirds of the option vest on October 31, 2026.

	/s/ Shelly Pinto	10/16/2025
	** 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.