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$ALLO
$1.21 -$0.04 (3.2%) Close

Company Executives

$ALLO Management Team

Mr. Benjamin Beneski

Senior Vice President

Chief Technical Officer

Age 48
Compensation -
Sex Male

Dr. Arie Belldegrun

Executive Chairman of the Board

Age 75
Compensation $2.966M USD
Sex Male

Dr. David Chang

President

Chief Executive Officer

Co-Founder

Director

Age 65
Compensation $4.482M USD
Sex Male

Mr. Geoffrey Parker

Chief Financial Officer

Executive Vice President

Age 60
Compensation -
Sex Male

Dr. Zachary Roberts

Executive Vice President - Research and Development

Chief Medical Officer

Age 47
Compensation $2.221M USD
Sex Male

Mr. Earl Douglas

Senior Vice President

General Counsel

Compliance Officer and Corporate Secretary

Age 62
Compensation -
Sex Male
Directors
11
serving now
Independent
8 of 11
stated in the proxy
Average tenure
7.3 years
from year joined
CEO also chairs the board
No
Arie Belldegrun, M.D.
Director Age On board Independent Committees Other public boards Pay Source
Deborah Messemer
68 2018
8 years
Independent
Audit Committee · Chair
TPG Inc., PayPal Holdings, Inc. Not stated
Vicki Sato, Ph.D.
77 2021
5 years
Independent
Research and Development Committee
Vir Biotechnology, Inc. Not stated
Owen Witte, M.D.
76 2018
8 years
Independent
Nominating and Corporate Governance Committee · Chair
None stated Not stated
Todd Sisitsky Leaving at the meeting
54 2018
8 years
Independent
Nominating and Corporate Governance
None stated Not stated
Elizabeth Barrett
63 2021
5 years
Independent
Audit Committee Compensation Committee
Sage Therapeutics, Inc. Not stated
Arie Belldegrun, M.D.
76 2017
9 years
Not independent None stated None stated Not stated
David Chang, M.D., Ph.D.
66 2018
8 years
Not independent None stated None stated Paid as CEO
John DeYoung
63 2018
8 years
Independent
Compensation Committee International and Business Development Oversight Committee
None stated Not stated
Franz Humer, Ph.D.
79 2018
8 years
Independent
Compensation Committee · Chair
None stated Not stated
Joshua Kazam
49 2017
9 years
Not independent None stated None stated Not stated
Stephen Mayo, Ph.D.
64 2022
4 years
Independent
Audit Committee Research and Development Committee
Sarepta Therapeutics, Inc., Merck & Co., Inc. Not stated

Each director opens the passage of the proxy that names them. "Not stated" means the proxy does not say; it never means "no". Pay is the proxy's Director Compensation table; the CEO is paid as an executive.

7 disclosed in the proxy filed Apr 30, 2026
Pfizer
Pfizer held 22,032,040 shares of our common stock based on the Schedule 13D/A filed on February 13, 2026 with the SEC
Amount not stated
April 2018

Asset Contribution Agreement under which we acquired assets and assumed liabilities from Pfizer, with Series A-1 Preferred Stock consideration, milestone payments and royalties

Bellco Capital Advisors Inc.
Our executive chair, Arie Belldegrun, M.D., is a trustee of the Belldegrun Family Trust, which controls Bellco Capital Advisors Inc.
$0.1 million
2022 and 2023

Sublease of office space in Los Angeles with rent payments made under the sublease

Bellco Capital Advisors Inc.
Our executive chair, Arie Belldegrun, M.D., is a trustee of the Belldegrun Family Trust, which controls Bellco Capital Advisors Inc.
$0.3 million
2024 and 2025

New sublease of 2,218 square feet of office space in Los Angeles, with base rent paid and tenant improvement contributions

Arie Belldegrun, M.D.
Member of the Company’s Board of Directors and a greater than 5% stockholder
Amount not stated

Purchased 344,828 shares of common stock in the 2024 registered offering under the Securities Purchase Agreement at $2.90 per share

David Chang, M.D., Ph.D.
The Company’s President and Chief Executive Officer, a member of the Company’s Board of Directors and a greater than 5% stockholder
Amount not stated

Purchased 344,828 shares of common stock in the 2024 registered offering under the Securities Purchase Agreement at $2.90 per share

Geoffrey Parker
The Company’s Chief Financial Officer
Amount not stated

Purchased 344,828 shares of common stock in the 2024 registered offering under the Securities Purchase Agreement at $2.90 per share

TPG Capital BD, LLC
Affiliate of TPG Inc., of which Todd Sisitsky, a member of our Board of Directors, has served as President and on the Board of Directors
$456,912
2026

Acted as co-manager in the 2026 public offering and purchased 3,807,600 shares at $1.88 per share, with an aggregate underwriting discount

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