David Davidson, Chief Medical Officer at bluebird bio, Inc. (BLUE), sold 698 shares at $28.16 ($20K) on 2021-02-17, disclosed to the SEC on 2021-02-18.
Seasonal sale ($20k) by Chief Medical Officer — this insider has traded BLUE in February 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 → |