Priya Singhal, Head of Development at BIOGEN INC. (BIIB), sold 1,136 shares at $270.06 ($307K) on 2023-03-28, disclosed to the SEC on 2023-03-30.
Open-market sale of $307k BIIB by Head of Development. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $270.06 | 568 | $153K | 50.0% |
| 2 | $270.06 | 568 | $153K | 50.0% |
| Total | $270.06 avg | 1,136 | $307K | 100% |
| Filing → |
| BIIB | SELL | 2025-09-02 | $138K | — | Filing → |
| BIIB | SELL | 2025-05-20 | $961K | — | Filing → |
| BIIB | SELL | 2024-12-09 | $17K | — | Filing → |