SEC Form 4 · accession 0001209191-15-061837
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Eric Sullivan
Officer — Principal Accounting Officer
Period of report
Jul 17, 2015
Accepted (ET)
Jul 21, 2015 · 4:02 pm 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 StockF1 | Jul 17, 2015 | S | 444 | $164.5824 | D | 3,772 | D | |
| Common StockF3 | Jul 20, 2015 | S | 512 | $162.235 | D | 3,260 | D | |
| Common StockF4 | Jul 20, 2015 | S | 156 | $163.5181 | D | 3,104 | D | |
| Common Stock | Jul 20, 2015 | S | 14 | $164.00 | D | 3,090 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units.
- F2The sales reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 5, 2015.
- F3The range in prices for the transaction reported on this line was $161.66 to $162.59. The average weighted price was $162.2350. 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 $162.75 to $163.96. The average weighted price was $163.5181. 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.