David Davidson, Chief Medical Officer at bluebird bio, Inc. (BLUE), sold 42 shares at $30.21 ($1K) on 2021-04-05, disclosed to the SEC on 2021-04-07.
Seasonal sale ($1k) by Chief Medical Officer — this insider has traded BLUE in April in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| BLUE | SELL | 2021-02-04 | $3K | — | Filing → |
| BLUE | SELL | 2021-01-08 | $288K | — | Filing → |
| BLUE | SELL | 2020-12-04 | $3K | — | Filing → |