Douglas E. Williams is EVP Research & Development at BIOGEN INC. (BIIB). They have made 8 open-market trades across 5 companies since 2007, most recently 2023-03-28.
CIK 0001184847
5 open-market purchases totalling $100K since 2007, against 3 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| CDAK | SELL | 2023-03-28 | 2023-03-30 | $0.18 | $8K | N/A | N/A | N/A |
| CDAK | SELL | 2023-01-20 | 2023-01-23 | $0.58 | $3K | +23.0% | -6.6% | N/A |
| CDAK | SELL | 2022-08-17 | 2023-02-21 | $1.37 | $20K | -2.5% | -19.1% | N/A |
| OVID | BUY | 2018-08-14 | 2018-08-16 | $6.49 | $32K | -1.6% | -12.5% | -32.1% |
| BIIB | SELL · 10b5-1 | 2015-06-19 | 2015-06-22 | $410.00 | $1.6M | -11.0% | -1.9% | -1.9% |
| BIIB | SELL · 10b5-1 | 2014-03-19 | 2014-03-21 | $352.29 | $1.2M | -11.0% | -1.9% | -1.9% |
| BIIB | SELL · 10b5-1 | 2013-08-26 | 2013-08-28 | $211.35 | $923K | -11.0% | -1.9% | -1.9% |
| ARRY | BUY | 2008-03-06 | 2008-03-06 | $6.16 | $15K | +33.9% | +23.6% | +23.6% |
| ZGEN | BUY | 2008-02-20 | 2008-02-22 | $8.99 | $22K | N/A | N/A | N/A |
| ZGEN | BUY | 2007-09-04 | 2007-09-06 | $12.25 | $25K | N/A | N/A | N/A |
| ANDS | BUY | 2007-09-04 | 2007-09-05 | $2.36 | $5K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.