SEC Form 4 · accession 0001209191-15-012671
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jeffrey T. Walsh
Officer — Chief Operating Officer
Period of report
Feb 10, 2015
Accepted (ET)
Feb 12, 2015 · 4:14 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 | Feb 10, 2015 | M | 10,500 | $2.09 | A | 10,500 | D | |
| Common StockF2 | Feb 10, 2015 | S | 7,524 | $85.1808 | D | 2,976 | D | |
| Common StockF3 | Feb 10, 2015 | S | 2,976 | $85.7508 | 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 | Feb 10, 2015 | M | 10,500 | D | — | Jul 13, 2021 | Common Stock | 10,500 | 89,807 | 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 11, 2013.
- F2The range of prices for the transaction reported on this line was $84.60 to $85.60. The average weighted price was $85.1808. 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 $85.61 to $86.00. The average weighted price was $85.7508. 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 May 16, 2012 and in 36 equal monthly installments thereafter.