Stephen A. Sherwin is Director at BIOGEN INC. (BIIB). They have made 8 open-market trades across 4 companies since 2011, most recently 2026-06-09.
CIK 0001079462
2 open-market purchases totalling $21K since 2013, against 6 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| NBIX | SELL · 10b5-1 | 2026-06-05 | 2026-06-09 | $165.32 | $4.1M | -2.7% | +8.8% | -6.6% |
| BIIB | SELL | 2025-03-07 | 2025-03-10 | $150.02 | $2.6M | -6.5% | -20.3% | -11.2% |
| NBIX | SELL · 10b5-1 | 2025-02-13 | 2025-02-14 | $116.69 | $3.2M | +2.2% | -3.1% | +4.6% |
| NBIX | SELL · 10b5-1 | 2024-05-29 | 2024-05-30 | $133.46 | $5.3M | -2.5% | +2.6% | -9.4% |
| NBIX | SELL | 2023-01-03 | 2023-01-05 | $118.86 | $3.6M | -12.6% | -15.5% | -17.8% |
| NBIX | SELL | 2022-01-24 | 2022-01-26 | $74.43 | $1.1M | +7.4% | +17.8% | +21.7% |
| NBIX | SELL | 2020-04-28 | 2020-04-30 | $99.39 | $3.5M | +16.1% | +27.3% | +24.7% |
| BIIB | SELL | 2020-03-11 | 2020-03-12 | $295.23 | $1.4M | -1.1% | +15.7% | +5.8% |
| NBIX | SELL | 2018-06-11 | 2018-06-13 | $98.44 | $984K | -0.3% | +3.0% | +21.9% |
| BIIB | SELL · 10b5-1 | 2015-03-10 | 2015-03-11 | $409.67 | $2.5M | -11.0% | -1.9% | -1.9% |
| VSTM | BUY | 2014-12-26 | 2014-12-29 | $8.56 | $21K | -27.9% | -2.7% | -2.7% |
| BIIB | SELL · 10b5-1 | 2014-01-02 | 2014-01-06 | $279.28 | $1.5M | -11.0% | -1.9% | -1.9% |
| BIIB | SELL · 10b5-1 | 2013-06-03 | 2013-06-04 | $233.26 | $3.0M | -11.0% | -1.9% | -1.9% |
| VICL | BUY | 2013-05-23 | 2013-05-28 | $0.01 | $70 | -15.9% | +10.5% | +10.5% |
| BIIB | SELL · 10b5-1 | 2013-03-22 | 2013-03-25 | $176.88 | $265K | -11.0% | -1.9% | -1.9% |
| BIIB | SELL · 10b5-1 | 2012-09-04 | 2012-09-05 | $145.90 | $292K | -11.0% | -1.9% | -1.9% |
| BIIB | SELL · 10b5-1 | 2012-06-04 | 2012-06-05 | $126.45 | $316K | -11.0% | -1.9% | -1.9% |
| BIIB | SELL · 10b5-1 | 2011-12-19 | 2011-12-20 | $110.88 | $277K | -11.0% | -1.9% | -1.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.