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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Verastem Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Daniel CalkinsChief Financial Officer2026-06-2257$4.13
$235.41Sell
Dan PatersonPresident and CEO2026-06-2220,871$4.18
$87.24kSell
Daniel CalkinsChief Financial Officer2026-06-224,032$4.18
$16.85kSell
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
Daniel CalkinsChief Financial Officer2025-12-2480$7.86
$628.80Sell
Dan PatersonPresident and CEO2025-12-16393$9.14
$3.59kSell

1 of 4

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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 LP18.37%16,142,051$72.64MInsider
Ridgeback Capital Investments LP11.46%10,068,243$45.31MInsider
Rtw Investments LP7.48%6,576,306$29.59MInstitution
Blackrock Inc7.05%6,194,925$27.88MInstitution
Deep Track Capital LP6.53%5,740,850$25.83MInstitution
Armistice Capital LLC5.23%4,592,000$20.66MInstitution
Mpm Bioventures V LLC4.51%3,966,666$17.85MInsider
Longwood Fund LP4.31%3,789,775$17.05MInsider
Nantahala Capital Management LLC4.08%3,584,820$16.13MInstitution
State Street Corp4.00%3,516,651$15.82MInstitution

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VSTM vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
VSTM61.90%38.10%Net SellingNet Selling
AVIR72.68%27.32%Net BuyingNet Buying
PRLD38.64%51.23%Net BuyingNet Buying
UPB71.16%28.84%Net SellingNet Selling
EPRX35.57%0.00%
View Top Biotech Stocks

Verastem Stock Ownership FAQ

Who owns Verastem?

Verastem (NASDAQ: VSTM) is owned by 92.62% institutional shareholders, 57.00% Verastem insiders, and 0.00% retail investors. Ra Capital Management LP is the largest individual Verastem shareholder, owning 16.14M shares representing 18.37% of the company. Ra Capital Management LP's Verastem shares are currently valued at $71.99M.

If you're new to stock investing, here's how to buy Verastem stock.
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