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Robert E. Gagnon currently holds 600,000 shares of Verastem, Inc. (VSTM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert E. Gagnon has been a net seller of VSTM stock. They have purchased $93.7K and sold $4.1M worth of shares.
Robert E. Gagnon's most recent insider trade was on Jan 22, 2026, when they sold 400,000 shares at $0.00 per share.
Robert E. Gagnon serves as Executive at Verastem, Inc. (VSTM). They have executed 135 insider transactions totaling $4.2M over their tenure at the company.
Robert E. Gagnon holds the position of Executive at Verastem, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 15 years and currently hold a stake valued at $0.
Robert E. Gagnon has shown a selling trading pattern, with $93.7K in total purchases and $4.1M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Robert E. Gagnon was on Aug 7, 2018, when they sold $608.1K worth of HBIO shares. This transaction involved 100,015 shares at $6.08 per share.
Robert E. Gagnon currently owns 600,000 shares of Verastem, Inc. (VSTM), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Robert E. Gagnon's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Robert E. Gagnon has 135 Form 4 filings on record as an insider at Verastem, Inc..
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