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$VSTM
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Company Executives

$VSTM Management Team

Mr. Daniel Paterson

President

Chief Executive Officer

Director

Age 64
Compensation $2.537M USD
Sex Male

Mr. Daniel Calkins

Chief Financial Officer

Age 37
Compensation $741.0K USD
Sex Male

Ms. Julissa Viana

Investor Relations

Age -
Compensation -
Sex Female

Dr. Michael Kauffman

President - Development

Director

Age 61
Compensation $236.3K USD
Sex Male

Mr. John Johnson

Independent Chairman of the Board

Age 67
Compensation $85.55K USD
Sex Male

Board of Directors

From the proxy statement filed Apr 9, 2026
Directors
10
serving now
Independent
1 of 4
stated in the proxy; 6 not stated
Average tenure
6.4 years
from year joined
CEO also chairs the board
Not stated
no chair stated
Director Age On board Independent Committees Other public boards Pay Source
Brian Stuglik
66 2017
9 years
 Not independent
Commercialization Committee · Chair
Oncopeptides AB Not stated
Karin Tollefson
59 2023
3 years
 Not stated
Audit Committee Nominating and Corporate Governance Committee Commercialization Committee
None stated Not stated
Paul Bunn
81 2021
5 years
 Not stated
Research and Development Committee
None stated Not stated
Anil Kapur
57 2022
4 years
 Not stated
Audit Committee Compensation Committee Commercialization Committee
Nurix Therapeutics, Inc. Not stated
Michael Kauffman
Executive officer
 62 2012
14 years
 Not independent
Research and Development Committee
Kezar Biosciences Not stated
John Johnson
Lead independent director
 68 2020
6 years
 Independent
Compensation Committee · Chair Nominating and Corporate Governance Committee · Chair
Axogen Inc., Xeris Biopharma Holdings, Inc. Not stated
Daniel Paterson
CEO
 65 2023
3 years
 Not independent None stated None stated Paid as CEO
Michelle Robertson
59 2021
5 years
 Not stated
Audit Committee · Chair Compensation Committee
None stated Not stated
Eric Rowinsky
69 2017
9 years
 Not stated
Research and Development Committee · Chair Nominating and Corporate Governance Committee
Biogen Idec, Inc., Fortress Biotech, Inc., Purple Biotech Ltd. Not stated
Robert Gagnon Leaving at the meeting
Not stated Not stated Not stated None stated None stated Not stated
Nominated to join at the meeting
Not on the board yet; they join only if elected.

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

We could not read related-party transactions reliably

Rather than show a list that might be incomplete, we show nothing. They are in the proxy filed Apr 9, 2026, in its related person transactions section.

Read them in the proxy

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