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
Paterson DanPresident and CEOSELL$1K–$15K970$6.69Feb 5, 2026
Paterson DanPresident and CEOSELL$50K–$100K10K$7.16Jan 14, 2026
Calkins DanielCFOSELL$15K–$50K5K$7.16Jan 14, 2026
Calkins DanielCFOSELL<$1K80$7.86Dec 29, 2025
Stuglik Brian MDirectorSELL$1K–$15K592$9.14Dec 18, 2025
Paterson DanPresident and CEOSELL$1K–$15K393$9.14Dec 18, 2025
Gagnon Robert E.DirectorSELL$1K–$15K283$9.14Dec 18, 2025
Paterson DanPresident and CEOSELL$15K–$50K4K$10.04Dec 12, 2025
Paterson DanPresident and CEOSELL$50K–$100K6K$10.45Dec 9, 2025
Paterson DanPresident and CEOSELL$50K–$100K6K$10.11Dec 4, 2025
Paterson DanPresident and CEOSELL$50K–$100K6K$10.50Dec 1, 2025
Bunn Paul A.DirectorSELL$50K–$100K6K$10.00Nov 25, 2025
Bunn Paul A.DirectorEXERCISE$15K–$50K6K$3.27Nov 25, 2025
Kauffman MichaelDirectorSELL$50K–$100K9K$10.00Nov 25, 2025
Paterson DanPresident and CEOSELL$50K–$100K6K$10.00Nov 25, 2025
Paterson DanPresident and CEOSELL$15K–$50K3K$9.74Nov 6, 2025
Calkins DanielCFOSELL<$1K82$9.13Sep 24, 2025
Stuglik Brian MDirectorSELL$1K–$15K587$9.99Sep 18, 2025
Gagnon Robert E.DirectorSELL$1K–$15K281$9.99Sep 18, 2025
Paterson DanPresident and CEOSELL$1K–$15K390$9.99Sep 18, 2025
Paterson DanPresident and CEOSELL$50K–$100K18K$5.13Jun 24, 2025
Calkins DanielCFOSELL$15K–$50K4K$5.13Jun 24, 2025
Paterson DanPresident and CEOSELL$1K–$15K335$5.65Jun 20, 2025
Gagnon Robert E.DirectorSELL$1K–$15K284$5.65Jun 20, 2025
Stuglik Brian MDirectorSELL$1K–$15K594$5.65Jun 20, 2025
Calkins DanielCFOSELL$50K–$100K11K$8.13May 20, 2025
Calkins DanielCFOGRANTN/A39KMay 20, 2025
Paterson DanPresident and CEOGRANTN/A175KMay 20, 2025
Paterson DanPresident and CEOSELL$100K–$500K59K$8.13May 20, 2025
Paterson DanPresident and CEOSELL$1K–$15K820$7.30May 7, 2025
Calkins DanielCFOSELL<$1K91$6.93Mar 24, 2025
Paterson DanPresident and CEOSELL$1K–$15K244$6.95Mar 19, 2025
Gagnon Robert E.DirectorSELL$1K–$15K284$6.95Mar 19, 2025
Stuglik Brian MDirectorSELL$1K–$15K593$6.95Mar 19, 2025
Paterson DanPresident and CEOGRANTN/A125KJan 14, 2025
Paterson DanPresident and CEOSELL$15K–$50K9K$5.24Jan 14, 2025
Calkins DanielCFOSELL<$1K6$6.94Jan 8, 2025
Calkins DanielCFOSELL<$1K93$4.21Dec 26, 2024
Gagnon Robert E.DirectorSELL$1K–$15K415$4.49Dec 20, 2024
Stuglik Brian MDirectorSELL$1K–$15K929$4.48Dec 20, 2024
Paterson DanPresident and CEOSELL$1K–$15K427$4.47Dec 20, 2024
Paterson DanPresident and CEOSELL$1K–$15K812$3.84Nov 7, 2024
Calkins DanielCFOSELL<$1K6$2.86Oct 9, 2024
Calkins DanielCFOSELL<$1K93$2.76Sep 24, 2024
Gagnon Robert E.DirectorSELL<$1K131$2.79Sep 20, 2024
Paterson DanPresident and CEOSELL<$1K184$2.79Sep 20, 2024
Stuglik Brian MDirectorSELL<$1K336$2.79Sep 20, 2024
Calkins DanielCFOSELL<$1K28$3.15Jun 26, 2024
Calkins DanielCFOGRANTN/A39KJun 21, 2024
Calkins DanielCFOSELL<$1K67$3.16Jun 21, 2024
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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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