Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Brian S. Posner currently holds 15,500 shares of BIOGEN IDEC INC. (BIIB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Brian S. Posner has been a net seller of BIIB stock. They have purchased $1.2M and sold $8.2M worth of shares.
Brian S. Posner's most recent insider trade was on Mar 30, 2026, when they purchased 2,000 shares at $17.08 per share.
Brian S. Posner serves as Executive at BIOGEN IDEC INC. (BIIB). They have executed 96 insider transactions totaling $9.3M over their tenure at the company.
Brian S. Posner 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.
Brian S. Posner has shown a selling trading pattern, with $1.2M in total purchases and $8.2M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Brian S. Posner was on Dec 2, 2019, when they sold $308.4K worth of BIIB shares. This transaction involved 1,055 shares at $292.35 per share.
Brian S. Posner currently owns 15,500 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 Brian S. Posner's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Brian S. Posner has 96 Form 4 filings on record as an insider at BIOGEN IDEC INC..
Set alerts for Brian S. Posner and 40,000+ other insiders.