NASDAQ: VSTM
Verastem Inc Stock Ownership - Who owns Verastem?

Insider buying vs selling

Have Verastem Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Daniel CalkinsCFO2026-09-2155$7.70
$423.50Sell
Dan PatersonCEO;Pres2026-08-031,302$5.81
$7.56kSell
Daniel CalkinsChief Financial Officer2026-06-224,032$4.18
$16.85kSell
Dan PatersonPresident and CEO2026-06-2220,871$4.18
$87.24kSell
Daniel CalkinsChief Financial Officer2026-06-2257$4.13
$235.41Sell
Dan PatersonPresident and CEO2026-05-04806$5.82
$4.69kSell
Daniel CalkinsChief Financial Officer2026-03-2057$5.74
$327.18Sell
Dan PatersonPresident and CEO2026-02-04970$6.69
$6.49kSell
Daniel CalkinsChief Financial Officer2026-01-125,039$7.16
$36.08kSell
Dan PatersonPresident and CEO2026-01-1210,321$7.16
$73.90kSell

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Net Insider Buy/Sell (L12M) Ownership

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VSTM Shareholders

What type of owners hold Verastem Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ra Capital Management LP17.82%16,142,051$127.85MInsider
Ridgeback Capital Investments LP11.12%10,068,243$79.74MInsider
Mpm Bioventures V LLC4.38%3,966,666$31.42MInsider
Longwood Fund LP4.18%3,789,775$30.02MInsider
Chp III LP2.57%2,329,121$18.45MInsider
John K. Clarke2.57%2,329,121$18.45MInsider
Christoph H. Westphal2.39%2,165,313$17.15MInsider
Ansbert Gadicke2.25%2,033,333$16.10MInsider
Bessemer Venture Partners VII LP2.20%1,995,237$15.80MInsider
Bvf Partners L P1.10%994,353$7.88MInsider

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VSTM vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
VSTM0.11%55.31%Net SellingNet Selling
WVE0.09%30.56%Net BuyingNet Selling
OABI0.04%22.94%Net Selling
IMMX0.08%13.64%Net Buying
IVA0.04%0.00%

Verastem Stock Ownership FAQ

Who owns Verastem?

Verastem (NASDAQ: VSTM) is owned by 0.11% institutional shareholders, 55.31% Verastem insiders, and 44.59% retail investors. Ra Capital Management LP is the largest individual Verastem shareholder, owning 16.14M shares representing 17.82% of the company. Ra Capital Management LP's Verastem shares are currently valued at $129.94M.

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