Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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S. Louise Phanstiel currently holds 390,952 shares of Verastem, Inc. (VSTM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, S. Louise Phanstiel has been a net seller of VSTM stock. They have purchased $1.6M and sold $2.0M worth of shares.
S. Louise Phanstiel's most recent insider trade was on Jun 22, 2026, when they sold 25,447 shares at $0.00 per share.
S. Louise Phanstiel serves as Executive at Verastem, Inc. (VSTM). They have executed 33 insider transactions totaling $3.6M over their tenure at the company.
S. Louise Phanstiel 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 13 years and currently hold a stake valued at $0.
S. Louise Phanstiel has shown a selling trading pattern, with $1.6M in total purchases and $2.0M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by S. Louise Phanstiel was on Aug 5, 2021, when they sold $1.7M worth of MYGN shares. This transaction involved 47,881 shares at $35.04 per share.
S. Louise Phanstiel currently owns 390,952 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 S. Louise Phanstiel's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. S. Louise Phanstiel has 33 Form 4 filings on record as an insider at Verastem, Inc..
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