Barbara Klencke - 17 Sep 2025 Form 4 Insider Report for ALX ONCOLOGY HOLDINGS INC (ALXO)

Role
Director
Signature
/s/ Shelly Pinto, by power of attorney
Issuer symbol
ALXO
Transactions as of
17 Sep 2025
Transactions value $
$0
Form type
4
Filing time
19 Sep 2025, 16:01:03 UTC
Previous filing
02 Jul 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Klencke Barbara Director C/O ALX ONCOLOGY HOLDINGS INC., 323 ALLERTON AVENUE, SOUTH SAN FRANCISCO /s/ Shelly Pinto, by power of attorney 19 Sep 2025 0001647647

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ALXO Stock option (right to buy) Award $0 +300,000 $0.000000 300,000 17 Sep 2025 Common Stock 300,000 $1.05 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 One-third of the shares subject to the option vest on each of September 17, 2025, January 31, 2026 and June 30, 2026.