Brian S. Posner, Director at BIOGEN INC. (BIIB), sold 720 shares at $274.17 ($197K) on 2021-06-04, disclosed to the SEC on 2021-06-07.
Seasonal sale ($197k) by Director — this insider has traded BIIB in June in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $274.17 | 360 | $99K | 50.0% |
| 2 | $274.17 | 360 | $99K | 50.0% |
| Total | $274.17 avg | 720 | $197K | 100% |
| Filing → |
| ACGL | SELL | 2026-06-04 | $59K | — | Filing → |
| DYN | BUY | 2026-05-28 | $36K | — | Filing → |
| DYN | BUY | 2026-05-22 | $43K | — | Filing → |