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$ETON
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Company Executives

$ETON Management Team

Mr. Sean Brynjelsen

President

Chief Executive Officer

Director

Age 53
Compensation $2.412M USD
Sex Male

Mr. James Gruber

Chief Financial Officer

Treasurer

Secretary

Age 53
Compensation $1.075M USD
Sex Male

Ms. Ipek Erdogan-Trinkaus

Chief Commercial Officer

Age 43
Compensation $775.5K USD
Sex Female

Dr. Norbert Riedel

Independent Chairman of the Board

Age 67
Compensation $188.6K USD
Sex Male

Mr. David Krempa

Chief Business Officer

Age 36
Compensation $1.325M USD
Sex Male

Board of Directors

From the proxy statement filed Apr 24, 2026
Directors
5
serving now
Independent
0 of 1
stated in the proxy; 4 not stated
Average tenure
8.2 years
from year joined
CEO also chairs the board
No
Norbert G. Riedel
Director Age On board Independent Committees Other public boards 2025 pay Source
Jenn Adams
Not stated 2021
5 years
 Not stated
audit nominating and corporate governance
None stated $267,027
Charles J. Casamento
Not stated 2017
9 years
 Not stated
audit nominating and corporate governance
PaxMedica, Relmada Therapeutics, GT Biopharma $275,139
Norbert G. Riedel
Board chair
 Not stated 2017
9 years
 Not stated
audit nominating and corporate governance · Chair
Jazz Pharmaceuticals Not stated
Sean E. Brynjelsen
CEO
 Not stated 2017
9 years
 Not independent None stated None stated Paid as CEO
Paul V. Maier
Not stated 2017
9 years
 Not stated
nominating and corporate governance
International Stem Cell Corporation $277,843

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.

Related-party transactions

2 disclosed in the proxy filed Apr 24, 2026
Selenix LLC
an entity affiliated with our Chief Executive Officer
Amount not stated
2024 and 2025

Amended asset purchase agreement for DS-200 under which Selenix waived milestone payments and 50% of DS-200 profit in exchange for 45% of DS-200 sale proceeds; Company made payments to Selenix

With the Company Open in proxy
Skye Cooper
daughter of our Chief Executive Officer
$238,180
2025

Employment with the Company; total compensation received

Open in proxy

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