Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Alexander J. Denner currently holds 251,858 shares of BIOGEN INC. (BIIB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Alexander J. Denner has been a net buyer of BIIB stock. They have purchased $333.2M and sold $11.0M worth of shares.
Alexander J. Denner's most recent insider trade was on Dec 15, 2025, when they sold 4,178 shares at $0.00 per share.
Alexander J. Denner serves as Executive at BIOGEN INC. (BIIB). They have executed 118 insider transactions totaling $344.2M over their tenure at the company.
Alexander J. Denner holds the position of Executive at BIOGEN INC., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 16 years and currently hold a stake valued at $0.
Alexander J. Denner has shown a buying trading pattern, with $333.2M in total purchases and $11.0M in total sales across all transactions. Their most recent activity indicates a tendency to accumulate shares.
The largest transaction by Alexander J. Denner was on Apr 30, 2019, when they purchased $11.5M worth of BIIB shares. This transaction involved 50,342 shares at $229.25 per share.
Alexander J. Denner currently owns 251,858 shares of BIOGEN INC. (BIIB), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Alexander J. Denner's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Alexander J. Denner has 118 Form 4 filings on record as an insider at BIOGEN INC..
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