David D. Chang

CIK: 0001611024

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (57.1%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (42.9%)

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)

ALLO

Allogene Therapeutics, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (7 total)

ALLO
Allogene Therapeutics, Inc.
Mar 16, 2026
Sale(S)
Direct
47.8K shares at avg. $2.47$118K
ALLO
Allogene Therapeutics, Inc.
Feb 2, 2026
Award(A)
Stock Option (Right to buy)
Direct
1.4M shares-
ALLO
Allogene Therapeutics, Inc.
Feb 2, 2026
Award(A)
Restricted Stock Unit
Direct
392.6K shares-
ALLO
Allogene Therapeutics, Inc.
Feb 2, 2026
Sale(S)
Direct
95.3K shares at avg. $1.80$171K
ALLO
Allogene Therapeutics, Inc.
Mar 14, 2025
Sale(S)
Direct
46.7K shares at avg. $1.96$91K
ALLO
Allogene Therapeutics, Inc.
Feb 3, 2025
Sale(S)
Direct
46K shares at avg. $1.68$77K
ALLO
Allogene Therapeutics, Inc.
Jan 24, 2025
Award(A)
Direct
552.2K shares-

		Type	Shares	Price		Ownership
Mar 16, 2026	ALLO Allogene Therapeutics, Inc.	Sale(S)	47,763	$2.47	$117,975	Direct
Feb 2, 2026	ALLO Allogene Therapeutics, Inc.	Award(A) Stock Option (Right to buy)	1,387,931	-	-	Direct
Feb 2, 2026	ALLO Allogene Therapeutics, Inc.	Award(A) Restricted Stock Unit	392,586	-	-	Direct
Feb 2, 2026	ALLO Allogene Therapeutics, Inc.	Sale(S)	95,269	$1.80	$171,484	Direct
Mar 14, 2025	ALLO Allogene Therapeutics, Inc.	Sale(S)	46,668	$1.96	$91,469	Direct
Feb 3, 2025	ALLO Allogene Therapeutics, Inc.	Sale(S)	46,003	$1.68	$77,285	Direct
Jan 24, 2025	ALLO Allogene Therapeutics, Inc.	Award(A)	552,174	-	$0	Direct

1-7 of 7 transactions

About Chang David D

Chang David D (SEC CIK 0001611024) files insider reports with the SEC as President and CEO of Allogene Therapeutics, Inc. (ALLO).

Signal8 holds 5 ownership filings by Chang David D, all Form 4s, filed between Jan 28, 2025 and Mar 18, 2026. Those filings report 7 transactions, from Jan 24, 2025 to Mar 16, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Chang David D's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Chang David D

Mar 16, 2026: Open-market sale of ALLO shares (Form 4, code S).
Feb 2, 2026: Grants or awards of ALLO derivative securities (2 lines, Form 4, code A).
Feb 2, 2026: Open-market sale of ALLO shares (Form 4, code S).
Mar 14, 2025: Open-market sale of ALLO shares (Form 4, code S).
Feb 3, 2025: Open-market sale of ALLO shares (Form 4, code S).

Other insiders filing for Allogene Therapeutics, Inc. (ALLO)

Parker Geoffrey M., CHIEF FINANCIAL OFFICER
Douglas Earl Martin, SVP, General Counsel
Roberts Zachary, President and CEO
Kazam Joshua A, Director
MESSEMER DEBORAH M., Director
Mayo Stephen, Director

How to read Form 4 transaction codes