Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Stelios Papadopoulos currently holds 1,197,595 shares of BIOGEN IDEC INC. (BIIB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Stelios Papadopoulos has been a net seller of BIIB stock. They have purchased $8.8M and sold $23.7M worth of shares.
Stelios Papadopoulos's most recent insider trade was on May 27, 2026, when they sold 8,367 shares at $0.00 per share.
Stelios Papadopoulos serves as Executive at BIOGEN IDEC INC. (BIIB). They have executed 163 insider transactions totaling $32.5M over their tenure at the company.
Stelios Papadopoulos 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 20 years and currently hold a stake valued at $0.
Stelios Papadopoulos has shown a selling trading pattern, with $8.8M in total purchases and $23.7M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Stelios Papadopoulos was on Nov 12, 2025, when they sold $4.4M worth of EXEL shares. This transaction involved 100,000 shares at $43.55 per share.
Stelios Papadopoulos currently owns 1,197,595 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 Stelios Papadopoulos's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Stelios Papadopoulos has 163 Form 4 filings on record as an insider at BIOGEN IDEC INC..
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