Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Michael W. Bonney currently holds 28,054 shares of Magenta Therapeutics, Inc. (MGTA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michael W. Bonney has been a net seller of MGTA stock. They have purchased $2.0M and sold $39.2M worth of shares.
Michael W. Bonney's most recent insider trade was on Aug 18, 2025, when they sold 11,250 shares at $70.20 per share.
Michael W. Bonney serves as Executive at Magenta Therapeutics, Inc. (MGTA). They have executed 123 insider transactions totaling $41.3M over their tenure at the company.
Michael W. Bonney holds the position of Executive at Magenta Therapeutics, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 21 years and currently hold a stake valued at $0.
Michael W. Bonney has shown a selling trading pattern, with $2.0M in total purchases and $39.2M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Michael W. Bonney was on Jan 21, 2015, when they sold $18.0M worth of CBST shares. This transaction involved 176,226 shares at $102.00 per share.
Michael W. Bonney currently owns 28,054 shares of Magenta Therapeutics, Inc. (MGTA), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Michael W. Bonney's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Michael W. Bonney has 123 Form 4 filings on record as an insider at Magenta Therapeutics, Inc..
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