SEC Form 4 · accession 0001209191-18-016643
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
Mar 1, 2018
Accepted (ET)
Mar 5, 2018 · 5:14 pm EST
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 | Mar 1, 2018 | M | 1,250 | $50.51 | A | 32,522 | D | |
| Common StockF2 | Mar 1, 2018 | S | 200 | $198.65 | D | 32,322 | D | |
| Common StockF3 | Mar 1, 2018 | S | 1,576 | $199.8786 | D | 30,746 | D | |
| Common StockF4 | Mar 1, 2018 | S | 400 | $200.85 | D | 30,346 | D | |
| Common Stock | Mar 1, 2018 | S | 74 | $201.575 | D | 30,272 | 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)F5 | $50.51 | Mar 1, 2018 | M | 1,250 | D | — | Mar 1, 2026 | Common Stock | 1,250 | 18,250 | D |
Explanation of responses
- F1This sales reported in the Form 4 were effected pursuant to a 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 $198.20 to $199.10. The average weighted price was $198.6500. 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.
- F3The range in prices for the transaction reported on this line was $199.50 to $200.40. The average weighted price was $199.8786. 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
- F4The range in prices for the transaction reported on this line was $200.55 to $201.15. The average weighted price was $200.85. 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
- F5This 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.