David Davidson, Chief Medical Officer at bluebird bio, Inc. (BLUE), sold 41 shares at $58.60 ($2K) on 2020-09-03, disclosed to the SEC on 2020-09-08.
Seasonal sale ($2k) by Chief Medical Officer — this insider has traded BLUE in September in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| BLUE | SELL | 2021-02-18 | $20K | — | Filing → |
| BLUE | SELL | 2021-02-04 | $3K | — | Filing → |
| BLUE | SELL | 2021-01-08 | $288K | — | Filing → |