SEC Form 4 · accession 0001209191-17-007610
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
David Davidson
Officer — Chief Medical Officer
Period of report
Feb 1, 2017
Accepted (ET)
Feb 3, 2017 · 4:30 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 StockF1 | Feb 1, 2017 | A | 8,500 | $0.00 | A | 17,177 | D | |
| Common Stock | Feb 1, 2017 | M | 2,000 | $2.09 | A | 19,177 | D | |
| Common StockF3 | Feb 1, 2017 | S | 870 | $73.5523 | D | 18,307 | D | |
| Common StockF4 | Feb 1, 2017 | S | 1,130 | $74.5102 | D | 17,177 | 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 | $75.60 | Feb 1, 2017 | A | 34,100 | A | — | Feb 1, 2027 | Common Stock | 34,100 | 34,100 | D |
| Stock Option (right to buy)F6 | $2.09 | Feb 1, 2017 | D | 2,000 | D | — | Apr 13, 2022 | Common Stock | 2,000 | 23,239 | D |
Explanation of responses
- F1Restricted stock units for common stock vest over a four-year period at a rate of 25% on 01/04/2018, 25% on 01/04/2019, 25% on 01/04/2020, and 25% on 01/04/2021.
- F2The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2016.
- F3The range of prices for the transaction reported on this line was $73.15 to $73.90. The average weighted price was $73.5523. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F4The range of prices for the transaction reported on this line was $74.25 to $74.65. The average weighted price was $74.5102. The reporting person will provide, upon request by the SEC, the issuer or a 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, 2018 and in 36 equal monthly installments thereafter.
- F6This option vests over a four-year period, at a rate of twenty-five percent (25%) on February 13, 2013 and in 36 equal monthly installments thereafter.