Logo image of VSTM

VERASTEM INC (VSTM) Stock Ownership and Short Interest

USA - NASDAQ:VSTM - US92337C2035 - Common Stock

8.02 USD
-1.2 (-13.02%)
Last: 10/20/2025, 8:21:23 PM
8.05 USD
+0.03 (+0.37%)
After Hours: 10/20/2025, 8:21:23 PM
VSTM Ownership Chart.VSTM Ownership Chart: showing Insider, Institutional ownership and shares available to the public.VSTM Ownership.InsiderInstitutionalPublic



Shares Outstanding61.55M
Float58.27M
Float Short Interest Percentage28.87%
Owners (insider)0.55%
Owners (institutional)84.58%
Owners (insider) change-1.56%
Owners (institutional) change-0.03%
VSTM Institutional Ownership HistoryVSTM Institutional Ownership HistoryVSTM Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M 80M 100M
VSTM Historical Insider Transactions ChartVSTM Historical Insider Buy and Sell Transactions ChartVSTM Historical Insider Transactions Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 0 100K -100K -200K
Date Name Type Shares Price Amount
Oct 9, 2025 Bunn Paul A. Open Market Sale 8333 9.06 $ 75,496.98
Sep 22, 2025 Calkins Daniel Open Market Sale 82 9.13 $ 748.31
Sep 16, 2025 Gagnon Robert E. Open Market Sale 281 9.99 $ 2,807.19
Sep 16, 2025 Paterson Dan Open Market Sale 390 9.99 $ 3,896.10
Sep 16, 2025 Stuglik Brian M Open Market Sale 587 9.99 $ 5,864.13
Aug 6, 2025 Paterson Dan Open Market Sale 1332 5.81 $ 7,738.92
Jun 20, 2025 Paterson Dan Open Market Sale 17808 5.13 $ 91,355.04
Jun 20, 2025 Calkins Daniel Open Market Sale 4135 5.13 $ 21,202.05
Jun 16, 2025 Paterson Dan Open Market Sale 335 5.65 $ 1,892.75
Jun 16, 2025 Gagnon Robert E. Open Market Sale 284 5.65 $ 1,604.60
Jun 16, 2025 Stuglik Brian M Open Market Sale 594 5.65 $ 3,356.10
May 22, 2025 Stuglik Brian M Grant 8333 0.00 $ 0.00
May 22, 2025 Gagnon Robert E. Grant 8333 0.00 $ 0.00
May 22, 2025 Kauffman Michael Grant 8333 0.00 $ 0.00
May 22, 2025 Tollefson Karin Anna Grant 8333 0.00 $ 0.00
May 22, 2025 JOHNSON JOHN Grant 8333 0.00 $ 0.00
May 22, 2025 Rowinsky Eric K Grant 8333 0.00 $ 0.00
May 22, 2025 ROBERTSON MICHELLE Grant 8333 0.00 $ 0.00
May 22, 2025 Bunn Paul A. Grant 8333 0.00 $ 0.00
May 22, 2025 Kapur Anil Grant 8333 0.00 $ 0.00
May 20, 2025 Paterson Dan Open Market Sale 58677 8.13 $ 477,044.01
May 20, 2025 Calkins Daniel Open Market Sale 11143 8.13 $ 90,592.59
May 16, 2025 Paterson Dan Grant 175000 0.00 $ 0.00
May 16, 2025 Calkins Daniel Grant 38850 0.00 $ 0.00
May 5, 2025 Paterson Dan Open Market Sale 820 7.30 $ 5,986.00
Apr 1, 2025 Ros Matthew Grant 50000 0.00 $ 0.00
Mar 20, 2025 Calkins Daniel Open Market Sale 91 6.93 $ 630.89
Mar 17, 2025 Paterson Dan Open Market Sale 244 6.95 $ 1,695.80
Mar 17, 2025 Gagnon Robert E. Open Market Sale 284 6.95 $ 1,973.80
Mar 17, 2025 Stuglik Brian M Open Market Sale 593 6.95 $ 4,121.35
Feb 4, 2025 Paterson Dan Open Market Sale 858 5.70 $ 4,890.60
Jan 13, 2025 Paterson Dan Open Market Sale 8568 5.24 $ 44,896.32
Jan 10, 2025 Paterson Dan Grant 125000 0.00 $ 0.00
Jan 10, 2025 Calkins Daniel Grant 38800 0.00 $ 0.00
Jan 6, 2025 Calkins Daniel Open Market Sale 6 6.94 $ 41.64
Dec 20, 2024 Calkins Daniel Open Market Sale 93 4.21 $ 391.58
Dec 16, 2024 Gagnon Robert E. Open Market Sale 415 4.49 $ 1,862.00
Dec 16, 2024 Stuglik Brian M Open Market Sale 929 4.48 $ 4,160.88
Dec 16, 2024 Paterson Dan Open Market Sale 427 4.47 $ 1,907.47
Nov 5, 2024 Paterson Dan Open Market Sale 812 3.84 $ 3,118.08