VSTM

Verastem, Inc.

Pharmaceutical PreparationsNasdaqNon-accelerated filer<br>Smaller reporting company

Total Trades

107

Buys

1

Sells

95

Largest Trade

N/A

Insiders

7

Institutional Funds

93

Inst. Value

$1M+

Activist Filings

50

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Gagnon Robert E.DirectorSELL$1K–$15K414$3.40Jun 21, 2024
Gagnon Robert E.DirectorGRANTN/A8KJun 21, 2024
Paterson DanPresident and CEOSELL$1K–$15K427$3.37Jun 21, 2024
Paterson DanPresident and CEOGRANTN/A150KJun 21, 2024
Stuglik Brian MDirectorGRANTN/A8KJun 21, 2024
Stuglik Brian MDirectorSELL$1K–$15K928$3.39Jun 21, 2024
Calkins DanielCFOSELL<$1K6$10.87Apr 8, 2024
Calkins DanielCFOSELL<$1K25$12.02Mar 27, 2024
Calkins DanielCFOSELL<$1K55$11.07Mar 21, 2024
Gagnon Robert E.DirectorSELL$1K–$15K413$10.61Mar 20, 2024
Paterson DanPresident and CEOSELL$1K–$15K426$10.57Mar 20, 2024
Stuglik Brian MDirectorSELL$1K–$15K810$10.60Mar 20, 2024
Gagnon Robert E.DirectorSELL$100K–$500K9K$13.70Feb 7, 2024
Rowinsky Eric KDirectorBUY$1K–$15K2K$3.84Jan 24, 2024
Gagnon Robert E.DirectorSELL$100K–$500K9K$10.95Jan 17, 2024
Calkins DanielCFOSELL<$1K25$8.08Dec 28, 2023
Calkins DanielVice President of …SELL<$1K5$7.30Oct 10, 2023
Calkins DanielVice President of …SELL$1K–$15K257$9.32Sep 25, 2023
Paterson DanPresident and CEOSELL$1K–$15K423$9.88Sep 20, 2023
Gagnon Robert E.DirectorSELL$1K–$15K408$9.89Sep 20, 2023
Stuglik Brian MDirectorSELL$1K–$15K752$9.88Sep 20, 2023
Calkins DanielVice President of …SELL<$1K5$8.02Jul 10, 2023
Calkins DanielVice President of …SELL<$1K26$8.17Jun 28, 2023
Paterson DanPresident and COOSELL$1K–$15K427$10.08Jun 21, 2023
Gagnon Robert E.DirectorSELL$1K–$15K413$10.04Jun 21, 2023
Stuglik Brian MCEOSELL$1K–$15K762$10.06Jun 21, 2023
Calkins DanielVice President of …SELL<$1K75$0.37Apr 6, 2023
Calkins DanielVice President of …SELL<$1K378$0.42Mar 28, 2023
Gagnon Robert E.DirectorSELL$1K–$15K5K$0.41Mar 20, 2023
Paterson DanPresident and COOSELL$1K–$15K5K$0.41Mar 20, 2023
Stuglik Brian MCEOSELL$1K–$15K10K$0.41Mar 20, 2023
Calkins DanielVice President of …SELL<$1K74$0.43Jan 9, 2023
Calkins DanielVice President of …SELL<$1K1K$0.33Dec 29, 2022
Paterson DanPresident and COOSELL$1K–$15K19K$0.40Dec 20, 2022
Gagnon Robert E.DirectorSELL$1K–$15K14K$0.40Dec 20, 2022
Stuglik Brian MCEOSELL$1K–$15K29K$0.40Dec 20, 2022
Stuglik Brian MCEOSELL$1K–$15K3K$1.13Sep 21, 2022
Paterson DanPresident and COOSELL$1K–$15K3K$1.13Sep 21, 2022
Gagnon Robert E.CFOSELL$1K–$15K1K$1.13Sep 21, 2022
Stuglik Brian MCEOSELL$1K–$15K6K$1.08Aug 2, 2022
Paterson DanPresident and COOSELL$1K–$15K3K$1.14Jun 22, 2022
Stuglik Brian MCEOSELL$1K–$15K3K$1.14Jun 22, 2022
Gagnon Robert E.CFOSELL$1K–$15K1K$1.14Jun 22, 2022
Paterson DanPresident and COOSELL$1K–$15K5K$1.03May 17, 2022
Paterson DanPresident and COOGRANTN/A15KMay 17, 2022
Stuglik Brian MCEOSELL$1K–$15K14K$1.03May 17, 2022
Stuglik Brian MCEOGRANTN/A50KMay 17, 2022
Gagnon Robert E.CFOSELL$15K–$50K17K$1.03May 17, 2022
Gagnon Robert E.CFOGRANTN/A50KMay 17, 2022
Stuglik Brian MCEOSELL$1K–$15K6K$1.41May 4, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Armistice Capital, LLC

SC 13G · Feb 18, 2026

5.3%

3.5M shares

Point72 Asset Management, L.P.

SC 13G/A · Feb 17, 2026

1.3%

995K shares

Nantahala Capital Management, LLC

SC 13G/A · Feb 13, 2026

4.7%

3.8M shares

Polar Capital Holdings Plc

SC 13G · Jan 5, 2026

5.1%

3.4M shares

Deep Track Capital, LP

SC 13G · Nov 21, 2025

10.0%

7.7M shares

Nantahala Capital Management, LLC

SC 13G/A · Nov 14, 2025

7.1%

4.6M shares

Logos Global Management LP

SC 13G/A · Nov 14, 2025

4.8%

3.2M shares

Balyasny Asset Management L.P.

SC 13G/A · Nov 14, 2025

9.3%

5.7M shares

Stonepine Capital Management, LLC

SC 13G/A · Nov 13, 2025

4.3%

2.7M shares

Foresite Capital Fund VI LP

SC 13G · Oct 23, 2025

5.1%

3.1M shares

BlackRock, Inc.

SC 13G · Oct 17, 2025

6.0%

3.7M shares

ORBIMED ADVISORS LLC

SC 13G/A · Aug 14, 2025

2.4%

1.3M shares

RTW Investments, LP

SC 13G/A · Aug 14, 2025

9.9%

5.6M shares

Balyasny Asset Management L.P.

SC 13G/A · Aug 14, 2025

10.0%

5.8M shares

BIOTECHNOLOGY VALUE FUND L P

SC 13G/A · Aug 13, 2025

2.2%

1.4M shares

BIOTECHNOLOGY VALUE FUND L P

SC 13G/A · Aug 13, 2025

5.8%

3.2M shares

Barclays PLC

SC 13G/A · Aug 12, 2025

0.0%

0 shares

5.0%

2.8M shares

Orin Hirschman

SC 13G/A · Jul 29, 2025

3.6%

2.0M shares

The Vanguard Group

SC 13G · Jul 29, 2025

6.2%

3.4M shares

Logos Global Management LP

SC 13G · Jul 28, 2025

6.2%

3.4M shares

Point72 Asset Management, L.P.

SC 13G · Jul 28, 2025

6.1%

3.3M shares

OrbiMed Advisors LLC

SC 13G/A · May 15, 2025

5.6%

2.9M shares

Nantahala Capital Management, LLC

SC 13G/A · May 15, 2025

10.0%

5.5M shares

RTW Investments, LP

SC 13G · May 15, 2025

8.3%

4.2M shares

Balyasny Asset Management L.P.

SC 13G/A · May 15, 2025

9.3%

4.8M shares

0.7%

344K shares

The Vanguard Group

SC 13G/A · Apr 30, 2025

4.7%

2.4M shares

BlackRock, Inc.

SC 13G/A · Apr 24, 2025

4.9%

2.5M shares

Barclays PLC

SC 13G/A · Mar 21, 2025

8.9%

3.9M shares

Nantahala Capital Management, LLC

SC 13G/A · Feb 14, 2025

10.0%

4.5M shares

BIOTECHNOLOGY VALUE FUND L P

SC 13G/A · Feb 14, 2025

6.0%

2.8M shares

Alyeska Investment Group, L.P.

SC 13G/A · Feb 14, 2025

2.1%

1.0M shares

Ramya Rao

SC 13G · Feb 14, 2025

8.9%

3.9M shares

Balyasny Asset Management L.P.

SC 13G · Feb 14, 2025

8.9%

3.9M shares

Stonepine Capital Management, LLC

SC 13G/A · Feb 13, 2025

4.8%

2.2M shares

Soleus Private Equity Fund III, L.P.

SC 13G/A · Feb 11, 2025

3.9%

1.8M shares

The Vanguard Group

SC 13G · Jan 31, 2025

5.2%

2.3M shares

Orin Hirschman

SC 13G · Jan 21, 2025

6.1%

2.7M shares

OrbiMed Advisors LLC

SC 13G/A · Nov 14, 2024

9.9%

4.1M shares

Nantahala Capital Management, LLC

SC 13G · Nov 14, 2024

10.0%

4.1M shares

Biotechnology Value Fund, L.P.

SC 13G/A · Nov 14, 2024

7.2%

3.1M shares

Alyeska Investment Group, L.P.

SC 13G · Nov 14, 2024

7.1%

2.9M shares

Viking Global Investors LP

SC 13G/A · Nov 14, 2024

0.0%

0 shares

Soleus Private Equity Fund III, L.P.

SC 13G/A · Nov 14, 2024

5.1%

2.3M shares

Deerfield Mgmt, L.P.

SC 13G/A · Nov 14, 2024

0.0%

0 shares

Stonepine Capital Management, LLC

SC 13G/A · Nov 13, 2024

6.4%

2.6M shares

Adage Capital Management, L.P.

SC 13G/A · Nov 12, 2024

0.0%

0 shares

BlackRock, Inc.

SC 13G · Nov 8, 2024

5.6%

2.2M shares

BlackRock, Inc.

SC 13G · Oct 24, 2024

5.6%

2.2M shares

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