Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Alfred Sandrock currently holds 472,549 shares of BIOGEN IDEC INC. (BIIB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Alfred Sandrock has been a net seller of BIIB stock. They have purchased $0 and sold $17.7M worth of shares.
Alfred Sandrock's most recent insider trade was on Apr 2, 2026, when they sold 11,511 shares at $3.87 per share.
Alfred Sandrock serves as Executive at BIOGEN IDEC INC. (BIIB). They have executed 124 insider transactions totaling $17.7M over their tenure at the company.
Alfred Sandrock 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 13 years and currently hold a stake valued at $0.
Alfred Sandrock has shown a selling trading pattern, with $0 in total purchases and $17.7M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Alfred Sandrock was on Jun 7, 2021, when they sold $3.4M worth of BIIB shares. This transaction involved 7,672 shares at $440.00 per share.
Alfred Sandrock currently owns 472,549 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 Alfred Sandrock's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Alfred Sandrock has 124 Form 4 filings on record as an insider at BIOGEN IDEC INC..
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