Mersana Therapeutics, Inc.
Mersana Therapeutics, Inc. (MRSN) is a publicly traded company in the Unknown sector. Across all available filings, 30 corporate insiders have executed 375 transactions totaling $231.6M, demonstrating a bullish sentiment with $222.1M in net insider flow. The most recent transaction on Oct 27, 2025 involved a sale of 77 shares valued at $762.
MRSN Insider Activity Summary
Who Is Buying MRSN Stock?
No significant insider buying has been recorded for MRSN in the recent period.
Who Is Selling MRSN Stock?
No significant insider selling has been recorded for MRSN in the recent period.
Is Mersana Therapeutics, Inc. Insider Trading Bullish or Bearish?
Based on recent SEC filings, insider sentiment for MRSN is bullish with an Insider Alignment Score of 98/100 and a net flow of $222.1M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
MRSN Frequently Asked Questions
Understanding MRSN Insider Activity
Insider trading at Mersana Therapeutics, Inc. (MRSN) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 30 insiders are actively trading MRSN stock, having executed 375 transactions in the past 90 days. The most active insider is Andrew A. F. Hack (Executive), who has made 19 transactions totaling $43.8M.
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Track Mersana Therapeutics, Inc. Insider Activity
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