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Lawrence M. Alleva currently holds 13,336 shares of Mersana Therapeutics, Inc. (MRSN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Lawrence M. Alleva has been a net seller of MRSN stock. They have purchased $620.6K and sold $1.2M worth of shares.
Lawrence M. Alleva's most recent insider trade was on Jun 3, 2026, when they sold 2,096 shares at $0.00 per share.
Lawrence M. Alleva serves as Executive at Mersana Therapeutics, Inc. (MRSN). They have executed 55 insider transactions totaling $1.8M over their tenure at the company.
Lawrence M. Alleva holds the position of Executive at Mersana Therapeutics, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 14 years and currently hold a stake valued at $0.
Lawrence M. Alleva has shown a selling trading pattern, with $620.6K in total purchases and $1.2M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Lawrence M. Alleva was on Jan 22, 2019, when they sold $2.2M worth of TSRO shares. This transaction involved 29,902 shares at $75.00 per share.
Lawrence M. Alleva currently owns 13,336 shares of Mersana Therapeutics, Inc. (MRSN), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Lawrence M. Alleva's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Lawrence M. Alleva has 55 Form 4 filings on record as an insider at Mersana Therapeutics, Inc..
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