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Verastem Inc (VSTM)

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Insider transactions

A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.

Transaction date
Executive
Executive Title
Security Type
Acquisition / Disposal
Shares
Share price
Nov 3, 2026PATERSON, DANDirector, President and CEOCommon StockDisposal1,299$9.60
Oct 1, 2026CALKINS, DANIELChief Financial OfficerCommon StockDisposal2,566$8
Oct 1, 2026PATERSON, DANDirector, President and CEOCommon StockDisposal44,121$8
Sep 30, 2026PATERSON, DANDirector, President and CEOCommon StockDisposal106,893$0
Sep 30, 2026CALKINS, DANIELChief Financial OfficerCommon StockDisposal8,333$0
Sep 30, 2026CALKINS, DANIELChief Financial OfficerCommon StockAcquisition8,333$0
Sep 30, 2026PATERSON, DANDirector, President and CEOCommon StockAcquisition106,893$0
Sep 21, 2026CALKINS, DANIELChief Financial OfficerCommon StockDisposal55$7.70
Aug 3, 2026PATERSON, DANDirector, President and CEOCommon StockDisposal1,302$5.81
Jun 22, 2026PATERSON, DANDirector, President and CEOCommon StockDisposal20,871$4.18
Jun 22, 2026CALKINS, DANIELChief Financial OfficerCommon StockDisposal57$4.13
Jun 22, 2026CALKINS, DANIELChief Financial OfficerCommon StockDisposal4,032$4.18
May 21, 2026JOHNSON, JOHNDirectorCommon StockAcquisition36,000$0
May 21, 2026KAPUR, ANILDirectorCommon StockAcquisition36,000$0
May 21, 2026BUNN, PAUL A.DirectorCommon StockAcquisition36,000$0
May 21, 2026STUGLIK, BRIAN MDirectorCommon StockAcquisition36,000$0
May 21, 2026ROWINSKY, ERIC KDirectorCommon StockAcquisition36,000$0
May 21, 2026BAILEY, MICHAEL PDirectorCommon StockAcquisition108,000$0
May 21, 2026ROBERTSON, MICHELLEDirectorCommon StockAcquisition36,000$0
May 21, 2026TOLLEFSON, KARIN ANNADirectorCommon StockAcquisition36,000$0
May 4, 2026PATERSON, DANDirector, President and CEOCommon StockDisposal806$5.82
Mar 20, 2026CALKINS, DANIELChief Financial OfficerCommon StockDisposal57$5.74
Mar 20, 2026CALKINS, DANIELChief Financial OfficerCommon StockAcquisition57$5.74
Feb 4, 2026PATERSON, DANDirector, President and CEOCommon StockDisposal970$6.69
Jan 21, 2026PATERSON, DANDirector, President and CEOCommon StockAcquisition213,785$0
Jan 21, 2026CALKINS, DANIELChief Financial OfficerCommon StockAcquisition16,665$0
Jan 12, 2026CALKINS, DANIELChief Financial OfficerCommon StockDisposal5,039$7.16
Jan 12, 2026PATERSON, DANDirector, President and CEOCommon StockDisposal10,321$7.16
Jan 6, 2026KAUFFMAN, MICHAELDirector, President of DevelopmentStock Option (right to buy)Acquisition200,000$0
Dec 24, 2025CALKINS, DANIELChief Financial OfficerCommon StockDisposal80$7.86
Dec 16, 2025STUGLIK, BRIAN MDirectorCommon StockDisposal592$9.14
Dec 16, 2025GAGNON, ROBERT E.DirectorCommon StockDisposal283$9.14
Dec 16, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal393$9.14
Dec 11, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10
Dec 10, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10.07
Dec 9, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10.25
Dec 8, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10.50
Dec 5, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10.61
Dec 4, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10
Dec 3, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10
Dec 2, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10.32
Dec 1, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10.39
Nov 28, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10.79
Nov 26, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10.32
Nov 25, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10
Nov 24, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10
Nov 21, 2025BUNN, PAUL A.DirectorStock Options (right to buy)Disposal6,250$0
Nov 21, 2025PATERSON, DANDirector, President and CEOCommon StockDisposal2,000$10
Nov 21, 2025KAUFFMAN, MICHAELDirectorCommon StockDisposal8,550$10
Nov 21, 2025BUNN, PAUL A.DirectorCommon StockAcquisition6,250$3.27
Nov 21, 2025BUNN, PAUL A.DirectorCommon StockDisposal6,250$10
Nov 21, 2025BUNN, PAUL A.DirectorStock Options (right to buy)Acquisition6,250$0