Barbara Klencke - 03 Mar 2026 Form 4 Insider Report for ALX ONCOLOGY HOLDINGS INC (ALXO)

Signature
/s/ Shelly Pinto, by power of attorney
Issuer symbol
ALXO
Transactions as of
03 Mar 2026
Net transactions value
$0
Form type
4
Filing time
05 Mar 2026, 16:05:06 UTC
Previous filing
05 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Klencke Barbara Chief Medical Officer C/O ALX ONCOLOGY HOLDINGS INC., 323 ALLERTON AVENUE, SOUTH SAN FRANCISCO /s/ Shelly Pinto, by power of attorney 05 Mar 2026 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 +700,000 $0.000000* 700,000 03 Mar 2026 Common Stock 700,000 $2.07 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 One-fourth of the shares subject to the option vest on February 25, 2027 and 1/48th vest monthly thereafter.