SEC Form 4 · accession 0001209191-17-037742
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Philip D Gregory
Officer — Chief Scientific Officer
Period of report
Jun 1, 2017
Accepted (ET)
Jun 5, 2017 · 4:34 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001293971
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 1, 2017 | M | 750 | $50.51 | A | 37,779 | D | |
| Common StockF2 | Jun 1, 2017 | S | 1,100 | $75.4818 | D | 36,679 | D | |
| Common Stock | Jun 1, 2017 | S | 400 | $76.00 | D | 36,279 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy)F3 | $50.51 | Jun 1, 2017 | M | 750 | D | — | Mar 1, 2026 | Common Stock | 750 | 30,500 | D |
Explanation of responses
- F1The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 17, 2017.
- F2The range in prices for the transaction reported on this line was $74.95 to $75.70. The average weighted price was $75.4818. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F3This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 4, 2017 and in 36 equal monthly installments thereafter.