Shelly Wong

CIK: 0001857740

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)11 (64.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)6 (35.3%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ALXO

ALX ONCOLOGY HOLDINGS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (17 total)

ALXO
ALX ONCOLOGY HOLDINGS INC
Aug 17, 2026
Sale(S)
Direct
573 shares at avg. $1.93$1K
ALXO
ALX ONCOLOGY HOLDINGS INC
Jul 1, 2026
Sale(S)
Direct
1.4K shares at avg. $2.04$3K
ALXO
ALX ONCOLOGY HOLDINGS INC
Mar 19, 2026
Sale(S)
Direct
903 shares at avg. $2.17$2K
ALXO
ALX ONCOLOGY HOLDINGS INC
Feb 18, 2026
Sale(S)
Direct
565 shares at avg. $2.27$1K
ALXO
ALX ONCOLOGY HOLDINGS INC
Jan 26, 2026
Award(A)
Stock option (right to buy)
Direct
192K shares-
ALXO
ALX ONCOLOGY HOLDINGS INC
Jan 6, 2026
Sale(S)
Direct
3.9K shares at avg. $1.11$4K
ALXO
ALX ONCOLOGY HOLDINGS INC
Oct 14, 2025
Award(A)
Employee Stock Option (right to buy)
Direct
140K shares-
ALXO
ALX ONCOLOGY HOLDINGS INC
Aug 15, 2025
Sale(S)
Direct
611 shares at avg. $0.64$391.284
ALXO
ALX ONCOLOGY HOLDINGS INC
Jul 7, 2025
Sale(S)
Direct
2K shares at avg. $0.45$905.151
ALXO
ALX ONCOLOGY HOLDINGS INC
Jun 30, 2025
Sale(S)
Direct
1.5K shares at avg. $0.43$658.76
ALXO
ALX ONCOLOGY HOLDINGS INC
Apr 11, 2025
Award(A)
Employee Stock Option (right to buy)
Direct
90K shares-
ALXO
ALX ONCOLOGY HOLDINGS INC
Mar 14, 2025
Award(A)
Direct
3K shares-
ALXO
ALX ONCOLOGY HOLDINGS INC
Feb 19, 2025
Sale(S)
Direct
550 shares at avg. $1.15$632.61
ALXO
ALX ONCOLOGY HOLDINGS INC
Jan 21, 2025
Award(A)
Employee Stock Option (right to buy)
Direct
112K shares-
ALXO
ALX ONCOLOGY HOLDINGS INC
Jan 6, 2025
Sale(S)
Direct
2.2K shares at avg. $1.80$4K
ALXO
ALX ONCOLOGY HOLDINGS INC
Dec 30, 2024
Sale(S)
Direct
1.4K shares at avg. $1.58$2K
ALXO
ALX ONCOLOGY HOLDINGS INC
Dec 2, 2024
Award(A)
Employee Stock Option (right to buy)
Direct
150K shares-

		Type	Shares	Price		Ownership
Aug 17, 2026	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	573	$1.93	$1,106	Direct
Jul 1, 2026	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	1,404	$2.04	$2,864	Direct
Mar 19, 2026	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	903	$2.17	$1,960	Direct
Feb 18, 2026	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	565	$2.27	$1,283	Direct
Jan 26, 2026	ALXO ALX ONCOLOGY HOLDINGS INC	Award(A) Stock option (right to buy)	192,000	-	-	Direct
Jan 6, 2026	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	3,925	$1.11	$4,357	Direct
Oct 14, 2025	ALXO ALX ONCOLOGY HOLDINGS INC	Award(A) Employee Stock Option (right to buy)	140,000	-	-	Direct
Aug 15, 2025	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	611	$0.64	$391	Direct
Jul 7, 2025	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	2,011	$0.45	$905	Direct
Jun 30, 2025	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	1,532	$0.43	$659	Direct
Apr 11, 2025	ALXO ALX ONCOLOGY HOLDINGS INC	Award(A) Employee Stock Option (right to buy)	90,000	-	-	Direct
Mar 14, 2025	ALXO ALX ONCOLOGY HOLDINGS INC	Award(A)	3,000	-	-	Direct
Feb 19, 2025	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	550	$1.15	$633	Direct
Jan 21, 2025	ALXO ALX ONCOLOGY HOLDINGS INC	Award(A) Employee Stock Option (right to buy)	112,000	-	-	Direct
Jan 6, 2025	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	2,221	$1.80	$3,998	Direct
Dec 30, 2024	ALXO ALX ONCOLOGY HOLDINGS INC	Sale(S)	1,426	$1.58	$2,253	Direct
Dec 2, 2024	ALXO ALX ONCOLOGY HOLDINGS INC	Award(A) Employee Stock Option (right to buy)	150,000	-	-	Direct

1-17 of 17 transactions

About Wong Shelly

Wong Shelly (SEC CIK 0001857740) files insider reports with the SEC as SVP, FINANCE AND CAO of ALX ONCOLOGY HOLDINGS INC (ALXO).

Signal8 holds 17 ownership filings by Wong Shelly, all Form 4s, filed between Dec 4, 2024 and Aug 18, 2026. Those filings report 17 transactions, from Dec 2, 2024 to Aug 17, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Wong Shelly's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Wong Shelly

Aug 17, 2026: Open-market sale of ALXO shares (Form 4, code S).
Jul 1, 2026: Open-market sale of ALXO shares (Form 4, code S).
Mar 19, 2026: Open-market sale of ALXO shares (Form 4, code S).
Feb 18, 2026: Open-market sale of ALXO shares (Form 4, code S).
Jan 26, 2026: Grant or award of ALXO derivative securities (Form 4, code A).

Other insiders filing for ALX ONCOLOGY HOLDINGS INC (ALXO)

Lettmann Jason, CHIEF EXECUTIVE OFFICER
Knight Jeff E., Chief Dev & Operating Officer
Klencke Barbara, Chief Medical Officer
GOODMAN COREY S, Director
Shantharam Harish, Chief Financial Officer
Garland J. Scott, Director

How to read Form 4 transaction codes