David Davidson, Chief Medical Officer at bluebird bio, Inc. (BLUE), sold 7,420 shares at $138.25 ($1.0M) on 2019-05-06, disclosed to the SEC on 2019-05-08.
Seasonal sale ($1.0M) by Chief Medical Officer — this insider has traded BLUE in May in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $138.25 | 2,700 | $373K | 36.2% |
| 2 | $139.24 | 2,600 | $362K | 35.1% |
| 3 | $140.02 | 1,060 | $148K | 14.4% |
| 4 | $140.02 | 1,060 | $148K | 14.4% |
| Total | $139.10 avg | 7,420 | $1.0M | 100% |
| Filing → |
| BLUE | SELL | 2021-02-18 | $20K | — | Filing → |
| BLUE | SELL | 2021-02-04 | $3K | — | Filing → |
| BLUE | SELL | 2021-01-08 | $288K | — | Filing → |