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Verastem, Inc.

VSTM
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001526119

In the last 90 days, Verastem, Inc. insiders filed 0 open-market purchases and 2 sales; 156 institutions reported holding it in 13F filings for Q2 2026, worth $363.5M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Verastem, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
2 filings
2 insiders, $7.99K in total
Insiders trading
2
Net value
−$7.99K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Verastem, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Verastem, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Calkins DanielChief Financial Officer118,014Sep 23, 20266
Paterson DanPresident and CEO589,940Aug 5, 202613
Bailey Michael PDirector108,000May 27, 20261
Rowinsky Eric KDirector52,666May 26, 20261
Johnson JohnDirector52,666May 26, 20261
Stuglik Brian MDirector137,147May 26, 20262
Kapur AnilDirector52,666May 26, 20261
Robertson MichelleDirector52,666May 26, 20261
Bunn Paul A.Director44,333May 26, 20263
Tollefson Karin AnnaDirector52,666May 26, 20261
Kauffman MichaelPresident of Development8,666Jan 8, 20262
Gagnon Robert E.Director41,678Dec 18, 20251
Ros MatthewChief Operating Officer50,000Apr 3, 20250
Solomon Lesley KimDirector–Dec 20, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Dec 22, 2021 (view filing)Dec 202 daysGagnon Robert E.Chief Financial OfficerSSale−5.50K$2.27−$12.5K−0.9%578.9K after
Dec 22, 2021 (view filing)Dec 202 daysPaterson DanPresident and COOSSale−11.0K$2.27−$25.0K−2.1%504.3K after
Dec 22, 2021 (view filing)Dec 202 daysStuglik Brian MChief Executive OfficerSSale−13.7K$2.27−$31.1K−1.2%1.17M after
Jan 5, 2022 (view filing)Jan 32 daysPaterson DanPresident and COOSSale−23.5K$2.05−$48.2K−4.7%480.8K after
Jan 5, 2022 (view filing)Jan 32 daysGagnon Robert E.Chief Financial OfficerSSale−19.6K$2.05−$40.2K−3.4%559.3K after
Jan 5, 2022 (view filing)Jan 32 daysStuglik Brian MChief Executive OfficerSSale−26.0K$2.05−$53.4K−2.2%1.14M after
Feb 2, 2022 (view filing)Jan 312 daysStuglik Brian MChief Executive OfficerSSale−5.70K$1.48−$8.43K−0.5%1.14M after
Mar 23, 2022 (view filing)Mar 212 daysGagnon Robert E.Chief Financial OfficerSSale−1.41K$1.27−$1.79K−0.3%557.9K after
Mar 23, 2022 (view filing)Mar 212 daysStuglik Brian MChief Executive OfficerSSale−3.51K$1.27−$4.45K−0.3%1.13M after
Mar 23, 2022 (view filing)Mar 212 daysPaterson DanPresident and COOSSale−2.82K$1.27−$3.58K−0.6%477.9K after
May 4, 2022 (view filing)May 22 daysStuglik Brian MChief Executive OfficerSSale−5.86K$1.41−$8.26K−0.5%1.13M after
May 17, 2022 (view filing)May 161 dayGagnon Robert E.Chief Financial OfficerSSale−16.6K$1.03−$17.1K−2.7%591.3K after
May 17, 2022 (view filing)May 161 dayStuglik Brian MChief Executive OfficerSSale−13.8K$1.03−$14.2K−1.2%1.16M after
May 17, 2022 (view filing)May 161 dayPaterson DanPresident and COOSSale−4.99K$1.03−$5.14K−1.0%487.9K after
Jun 22, 2022 (view filing)Jun 211 dayGagnon Robert E.Chief Financial OfficerSSale−1.35K$1.14−$1.54K−0.2%589.9K after
Jun 22, 2022 (view filing)Jun 211 dayStuglik Brian MChief Executive OfficerSSale−3.36K$1.14−$3.83K−0.3%1.16M after
Jun 22, 2022 (view filing)Jun 211 dayPaterson DanPresident and COOSSale−2.70K$1.14−$3.08K−0.6%485.2K after
Aug 2, 2022 (view filing)Aug 11 dayStuglik Brian MChief Executive OfficerSSale−5.86K$1.08−$6.33K−0.5%1.15M after
Sep 21, 2022 (view filing)Sep 192 daysGagnon Robert E.Chief Financial OfficerSSale−1.35K$1.13−$1.52K−0.2%588.6K after
Sep 21, 2022 (view filing)Sep 192 daysPaterson DanPresident and COOSSale−2.79K$1.13−$3.15K−0.6%482.5K after
Sep 21, 2022 (view filing)Sep 192 daysStuglik Brian MChief Executive OfficerSSale−3.35K$1.13−$3.79K−0.3%1.15M after
Dec 20, 2022 (view filing)4:09 PM ETDec 16-194 daysStuglik Brian MChief Executive OfficerSSale−28.7K$0.3963−$11.4K−2.5%1.12M after2 lots
Dec 20, 2022 (view filing)4:09 PM ETDec 16-194 daysGagnon Robert E.DirectorSSale−13.8K$0.3969−$5.49K−2.4%574.7K after2 lots
Dec 20, 2022 (view filing)4:10 PM ETDec 16-194 daysPaterson DanPresident and COOSSale−18.6K$0.3952−$7.36K−3.9%463.8K after2 lots
Dec 29, 2022 (view filing)4:07 PM ETDec 272 daysCalkins DanielVice President of FinanceSSale−1.25K$0.33−$411.18−1.2%98.6K after
Jan 9, 2023 (view filing)4:06 PM ETJan 54 daysCalkins DanielVice President of FinanceSSale−74$0.43−$31.82−0.1%98.5K after
Mar 20, 2023 (view filing)4:54 PM ETMar 16-204 daysStuglik Brian MChief Executive OfficerSSale−9.78K$0.4108−$4.02K−0.9%1.11M after2 lots
Mar 20, 2023 (view filing)4:57 PM ETMar 16-204 daysPaterson DanPresident and COOSSale−5.48K$0.4128−$2.26K−1.2%458.4K after2 lots
Mar 20, 2023 (view filing)4:59 PM ETMar 16-204 daysGagnon Robert E.DirectorSSale−5.32K$0.4094−$2.18K−0.9%569.4K after2 lots
Mar 28, 2023 (view filing)4:30 PM ETMar 244 daysCalkins DanielVice President of FinanceSSale−378$0.42−$158.76−0.4%101.5K after
Apr 6, 2023 (view filing)4:30 PM ETApr 51 dayCalkins DanielVice President of FinanceSSale−75$0.37−$27.75−0.1%101.4K after
Jun 21, 2023 (view filing)Jun 16-205 daysStuglik Brian MChief Executive OfficerSSale−762$10.06−$7.66K−0.8%92.0K after2 lots
Jun 21, 2023 (view filing)Jun 16-205 daysGagnon Robert E.DirectorSSale−413$10.04−$4.15K−0.9%47.0K after2 lots
Jun 21, 2023 (view filing)Jun 16-205 daysPaterson DanPresident and COOSSale−427$10.08−$4.31K−1.1%37.8K after2 lots
Jun 28, 2023 (view filing)Jun 262 daysCalkins DanielVice President of FinanceSSale−26$8.17−$212.42−0.3%8.42K after
Jul 10, 2023 (view filing)Jul 64 daysCalkins DanielVice President of FinanceSSale−5$8.02−$40.1−0.1%8.69K after
Sep 20, 2023 (view filing)Sep 18-192 daysStuglik Brian MDirectorSSale−752$9.88−$7.43K−0.8%91.2K after2 lots
Sep 20, 2023 (view filing)Sep 18-192 daysGagnon Robert E.DirectorSSale−408$9.89−$4.03K−0.9%46.6K after2 lots
Sep 20, 2023 (view filing)Sep 18-192 daysPaterson DanPresident and CEOSSale−423$9.88−$4.18K−0.5%87.3K after2 lots
Sep 25, 2023 (view filing)Sep 21-254 daysCalkins DanielVice President of FinanceSSale−257$9.32−$2.39K−3.0%8.44K after2 lots
Oct 10, 2023 (view filing)Oct 55 daysCalkins DanielVice President of FinanceSSale−5$7.30−$36.5−0.1%8.43K after
Dec 20, 2023 (view filing)Dec 18-192 daysStuglik Brian MDirectorSSale−761$7.67−$5.84K−0.8%90.5K after2 lots
Dec 20, 2023 (view filing)Dec 18-192 daysPaterson DanPresident and CEOSSale−427$7.68−$3.28K−0.5%86.9K after2 lots
Dec 20, 2023 (view filing)Dec 18-192 daysGagnon Robert E.DirectorSSale−414$7.67−$3.17K−0.9%46.2K after2 lots
Dec 21, 2023 (view filing)Dec 201 dayCalkins DanielChief Financial OfficerSSale−57$7.93−$452.01−0.7%8.38K after
Dec 28, 2023 (view filing)Dec 262 daysCalkins DanielChief Financial OfficerSSale−25$8.08−$202−0.3%8.35K after
Jan 9, 2024 (view filing)Jan 54 daysCalkins DanielChief Financial OfficerSSale−6$8.50−$51−0.1%8.62K after
Jan 17, 2024 (view filing)Jan 125 daysGagnon Robert E.DirectorSSale−9.20K$10.95−$100.8K−19.9%37.0K after10b5-1
Jan 24, 2024 (view filing)Sep 5, 20172,332 daysLateRowinsky Eric KDirectorPPurchase+2.00K$3.84+$7.68KNew position2.00K after
Feb 7, 2024 (view filing)Feb 61 dayGagnon Robert E.DirectorSSale−9.20K$13.70−$126.1K−24.9%27.8K after10b5-1