SEC Form 4 · accession 0001209191-15-021210
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
Mar 2, 2015
Accepted (ET)
Mar 3, 2015 · 4:13 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 2, 2015 | M | 4,000 | $2.09 | A | 4,000 | D | |
| Common StockF2 | Mar 2, 2015 | S | 2,600 | $94.5719 | D | 1,400 | D | |
| Common StockF3 | Mar 2, 2015 | S | 1,400 | $95.3505 | D | 0 | 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)F4 | $2.09 | Mar 2, 2015 | M | 4,000 | D | — | Apr 13, 2022 | Common Stock | 4,000 | 55,239 | D |
| Stock Option (right to buy)F5 | $97.40 | Mar 2, 2015 | A | 60,000 | A | — | Mar 2, 2025 | Common Stock | 60,000 | 60,000 | 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 October 14, 2013.
- F2The range of prices for the transaction reported on this line was $94.00 to $94.99. The average weighted price was $94.5719. 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.
- F3The range of prices for the transaction reported on this line was $95.01 to $95.76. The average weighted price was $95.3505. 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.
- F4This 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.
- F5This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 1, 2016 and in 36 equal monthly installments thereafter.