| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Across the last three months, Biogen Inc.'s insiders have reduced their positions by a net 1,186 shares worth roughly $240K.
BIIB sits in the Biotechnology industry within the Health Care sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| VP | 41.8K | $8.41M | - | |
| CEO | 29.9K | - | - | |
| Dir | 25.8K | - | - | |
| VP | 22.4K | $4.50M | - | |
| Other | 19.6K | $3.82M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 4, 2026 | Minor Lloyd | Director | Sell10b5-1 | 1,186 | $202.15 | $239,749.90 | -30.6% | - | - | |
| Feb 12, 2026 | Murphy Nicole | Head of Pharm Ops and Tech | Buy | 3 | $195.04 | $585.11 | - | +4.6% | - | |
| Feb 9, 2026 | Singhal Priya69 | Head of Development | Sale+OE10b5-1 | 2,660 | $199.83 | $531,547.80 | -24.9% | +2.1% | - | |
| Feb 2, 2026 | Singhal Priya69 | Head of Development | Sale+OE10b5-1 | 748 | $179.30 | $134,116.40 | -10.7% | +4.5% | - | |
| Sep 2, 2025 | Singhal Priya69 | Head of Development | Sale+OE10b5-1 | 517 | $133.55 | $69,045.35 | -8.2% | +27.3% | +59.5% | |
| Jul 8, 2025 | Izzar Rachid | Head of Global Product Strat. | Sell10b5-1 | 2,223 | $135.00 | $300,105.00 | -26.0% | +14.6% | +49.0% | |
| May 19, 2025 | Singhal Priya69 | Head of Development | Sell10b5-1 | 3,806 | $126.25 | $480,507.50 | -41.2% | +5.0% | +47.2% | |
| May 2, 2025 | Dorsa Caroline58 | Director | Buy | 1,235 | $122.72 | $151,559.20 | +4.6% | +3.6% | +51.4% | |
| Mar 7, 2025 | Sherwin Stephen A | Director | Sell10b5-1 | 8,760 | $150.02 | $1,314,141.91 | -43.6% | -13.3% | +22.9% | |
| Dec 9, 2024 | Singhal Priya69 | Head of Development | Sale+OE10b5-1 | 110 | $157.21 | $17,293.10 | -2.0% | -3.7% | +12.4% |