// company-profile
Biogen Inc.
BIIB// activity-summary
Recent insider activity is bullish. Over the last 30 days, 11 insiders purchased shares. Buying was led by Pangalos Menelas N.
// 90-day insight
Over the last 90 days, Biogen Inc. insiders bought $0 (15 transactions) and sold $95K (2 transactions).
- Most active insider: Keeney Adam with 3 transactions totaling $85K.
- Largest single sale: $85K by Keeney Adam on May 1, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Biogen Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 9, 2026 | Pangalos Menelas N | BIIB | Option Exercise | 2,370 | $0.00 | $0K |
| Jun 9, 2026 | Rowinsky Eric K | BIIB | Award | 1,505 | $0.00 | $0K |
| Jun 9, 2026 | Pangalos Menelas N | BIIB | Award | 1,505 | $0.00 | $0K |
| Jun 9, 2026 | Mantas Jesus B | BIIB | Award | 1,505 | $0.00 | $0K |
| Jun 9, 2026 | Minor Lloyd | BIIB | Award | 1,505 | $0.00 | $0K |
45 more transactions hidden
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