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VSTM

Verastem, Inc.

NASDAQ · Healthcare · Biotechnology · US

$8.62
−0.35%
Ask drillr
0
Insider buys (3m)
4
Insider sells (3m)
-$381.5K
Net value (3m)
+53.8%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Oct 2, 2026Calkins Daniel · officer: Chief Financial OfficerA-Award8,333$0.00
Oct 2, 2026Paterson Dan · director, officer: President and CEOSale44,121$8.00
Oct 2, 2026Calkins Daniel · officer: Chief Financial OfficerSale2,566$8.00
Oct 2, 2026Paterson Dan · director, officer: President and CEOA-Award106,893$0.00
Sep 23, 2026Calkins Daniel · officer: Chief Financial OfficerSale55$7.70
Aug 5, 2026Paterson Dan · director, officer: President and CEOSale1,302$5.81
Jun 24, 2026Calkins Daniel · officer: Chief Financial OfficerSale4,032$4.18
Jun 24, 2026Paterson Dan · director, officer: President and CEOSale20,871$4.18
Jun 24, 2026Calkins Daniel · officer: Chief Financial OfficerSale57$4.13
May 27, 2026BAILEY MICHAEL P · directorA-Award108,000$0.00
May 26, 2026Stuglik Brian M · directorA-Award36,000$0.00
May 26, 2026Kapur Anil · directorA-Award36,000$0.00
May 26, 2026JOHNSON JOHN · directorA-Award36,000$0.00
May 26, 2026Tollefson Karin Anna · directorA-Award36,000$0.00
May 26, 2026ROBERTSON MICHELLE · directorA-Award36,000$0.00
May 26, 2026Bunn Paul A. · directorA-Award36,000$0.00
May 26, 2026Rowinsky Eric K · directorA-Award36,000$0.00
May 6, 2026Paterson Dan · director, officer: President and CEOSale806$5.82
Mar 23, 2026Calkins Daniel · officer: Chief Financial OfficerA-Award57$5.74
Feb 5, 2026Paterson Dan · director, officer: President and CEOSale970$6.69
Jan 23, 2026Paterson Dan · director, officer: President and CEOA-Award213,785$0.00
Jan 23, 2026Calkins Daniel · officer: Chief Financial OfficerA-Award16,665$0.00
Jan 14, 2026Calkins Daniel · officer: Chief Financial OfficerSale5,039$7.16
Jan 14, 2026Paterson Dan · director, officer: President and CEOSale10,321$7.16
Jan 8, 2026Kauffman Michael · director, officer: President of DevelopmentA-Award200,000$6.88
Dec 29, 2025Calkins Daniel · officer: Chief Financial OfficerSale80$7.86
Dec 18, 2025Gagnon Robert E. · directorSale283$9.14
Dec 18, 2025Paterson Dan · director, officer: President and CEOSale393$9.14
Dec 18, 2025Stuglik Brian M · directorSale592$9.14
Dec 12, 2025Paterson Dan · director, officer: President and CEOSale2,000$10
Institutional positioning

13F filings over the trailing two quarters

New 73Increased 136Reduced 67Sold out 39
FilerActionSharesFiled
BlackRock, Inc.Increased9,192,447Aug 7, 2026
ARMISTICE CAPITAL, LLCIncreased7,024,000Aug 14, 2026
RTW INVESTMENTS, LPIncreased6,635,793Aug 14, 2026
RTW INVESTMENTS, LPUnchanged6,576,306May 15, 2026
BLACKROCK, INC.Increased6,194,925May 13, 2026
DEEP TRACK CAPITAL, LPUnchanged5,740,850May 15, 2026
Deep Track Capital, LPUnchanged5,740,850Aug 14, 2026
STATE STREET CORPIncreased5,133,859Sep 22, 2026
ARMISTICE CAPITAL, LLCIncreased4,592,000May 15, 2026
Rosalind Advisors, Inc.Increased3,986,509Aug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased3,851,508Aug 13, 2026
Nantahala Capital Management, LLCUnchanged3,584,820Aug 19, 2026
NANTAHALA CAPITAL MANAGEMENT, LLCIncreased3,584,820May 15, 2026
STATE STREET CORPIncreased3,516,651May 15, 2026
Stonepine Capital Management, LLCIncreased3,349,627Aug 17, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 2, 2026