Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Douglas E. Williams currently holds 40,000 shares of BIOGEN IDEC INC. (BIIB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Douglas E. Williams has been a net seller of BIIB stock. They have purchased $99.5K and sold $3.8M worth of shares.
Douglas E. Williams's most recent insider trade was on Jun 5, 2026, when they sold 40,000 shares at $0.00 per share.
Douglas E. Williams serves as Executive at BIOGEN IDEC INC. (BIIB). They have executed 59 insider transactions totaling $3.9M over their tenure at the company.
Douglas E. Williams holds the position of Executive at BIOGEN IDEC INC., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 19 years and currently hold a stake valued at $0.
Douglas E. Williams has shown a selling trading pattern, with $99.5K in total purchases and $3.8M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Douglas E. Williams was on Jun 19, 2015, when they sold $1.6M worth of BIIB shares. This transaction involved 3,841 shares at $410.00 per share.
Douglas E. Williams currently owns 40,000 shares of BIOGEN IDEC INC. (BIIB), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Douglas E. Williams's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Douglas E. Williams has 59 Form 4 filings on record as an insider at BIOGEN IDEC INC..
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