Insider Shareholders with Direct Ownership of Verastem, Inc. (VSTM)
This section provides a comprehensive overview of the insiders with direct ownership of Verastem, Inc. (VSTM). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
Verastem, Inc. Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
|
Ridgeback Capital Investments L.P.
> 10% Shareholder |
5,515,151 | 0 | 10,068,243 $77.6 Million | 1 |
Mar 06, 2020
Added 35.39%
|
|
Dan Paterson
President and CEO |
657,351 | 424,940 | 410,425 $3.16 Million | 59 |
Dec 16, 2025
Reduced 0.1%
|
|
Timothy J Barberich
Director |
50,000 | 0 | 218,000 $1.68 Million | 1 |
Dec 04, 2020
Added 18.66%
|
|
Frank Neumann
Chief Medical Officer |
150,000 | 0 | 150,000 $1.16 Million | 1 |
Jan 06, 2021
Added 50.0%
|
|
Daniel Calkins
Chief Financial Officer |
77,650 | 56,921 | 109,758 $846,234 | 35 |
Dec 24, 2025
Reduced 0.07%
|
|
Brian M Stuglik
Director |
825,270 | 133,728 | 101,147 $779,843 | 38 |
Dec 16, 2025
Reduced 0.58%
|
|
Matthew Ros
Chief Operating Officer |
50,000 | 0 | 50,000 $385,500 | 1 |
Apr 01, 2025
Added 50.0%
|
|
Robert E. Gagnon
Director |
283,091 | 132,763 | 41,678 $321,337 | 36 |
Dec 16, 2025
Reduced 0.67%
|
|
Michelle Robertson
Director |
16,666 | 0 | 16,666 $128,494 | 2 |
May 22, 2025
Added 33.33%
|
|
Eric K Rowinsky
Director |
16,666 | 0 | 16,666 $128,494 | 2 |
May 22, 2025
Added 33.33%
|
|
John Johnson
Director |
16,666 | 0 | 16,666 $128,494 | 2 |
May 22, 2025
Added 33.33%
|
|
Anil Kapur
Director |
16,666 | 0 | 16,666 $128,494 | 2 |
May 22, 2025
Added 33.33%
|
|
Karin Anna Tollefson
Director |
16,666 | 0 | 16,666 $128,494 | 2 |
May 22, 2025
Added 33.33%
|
|
Michael Kauffman
Director |
16,666 | 8,550 | 8,666 $66,814 | 3 |
Nov 21, 2025
Reduced 49.66%
|
|
Paul A. Bunn
Director |
22,916 | 14,583 | 8,333 $64,247 | 5 |
Nov 21, 2025
Added 42.86%
|