Insider Trading for BIIB
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
No insider transactions in the past 30 days.
Quarterly Activity (3 Months)
Acquisitions: 17.4K shares
Dispositions: 3.8K shares
Net: 13.6K shares
Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.
Key Insider Activity: Feb 6, 2026 to Jun 9, 2026
Viehbacher Christopher
ExecutiveChief Executive Officer
+27.0K shares
7 transactions
Singhal Priya
ExecutiveOfficer: Head Of Development
+5.4K shares
8 transactions
Murphy Nicole
ExecutiveOfficer: Head Of Pharm Ops And Tech
+7.2K shares
11 transactions
Gregory Ginger
ExecutiveVice President
+5.4K shares
10 transactions
Izzar Rachid
ExecutiveOfficer: Head Of Global Product Strat.
+5.4K shares
10 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 9, 2026 | HAWKINS WILLIAM A | DDirector | Award/Grant | 1.5K | $0.00 | $0.00 | 10.4K | View |
| Jun 9, 2026 | SHERWIN STEPHEN A | DDirector | Award/Grant | 1.5K | $0.00 | $0.00 | 15.2K | View |
| Jun 9, 2026 | Rowinsky Eric K | DDirector | Award/Grant | 1.5K | $0.00 | $0.00 | 25.8K | View |
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Feb 6, 2026 | Locked | — | — | — | — | — | — | — |
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Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net buyers of BIIB stock, which is typically a strong positive signal.