SEC Form 4 · accession 0001209191-15-061369
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
Jul 15, 2015
Accepted (ET)
Jul 17, 2015 · 7:43 am 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 | Jul 15, 2015 | M | 2,000 | $2.09 | A | 2,000 | D | |
| Common StockF2 | Jul 15, 2015 | S | 1,425 | $165.5478 | D | 575 | D | |
| Common StockF3 | Jul 15, 2015 | S | 225 | $166.3878 | D | 350 | D | |
| Common StockF4 | Jul 15, 2015 | S | 350 | $167.3829 | 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)F5 | $2.09 | Jul 15, 2015 | M | 2,000 | D | — | Apr 13, 2022 | Common Stock | 2,000 | 47,239 | 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 January 14, 2015.
- F2The range of prices for the transaction reported on this line was $165.28 to $165.91. The average weighted price was $165.5478. 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 $166.29 to $166.51. The average weighted price was $166.3878. 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 $167.38 to $167.39. The average weighted price was $167.3829. 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 February 13, 2013 and in 36 equal monthly installments thereafter.