SEC Form 4 · accession 0001209191-18-002903
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Philip D Gregory
Officer — Chief Scientific Officer
Period of report
Jan 5, 2018
Accepted (ET)
Jan 9, 2018 · 4:06 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,F2 | Jan 5, 2018 | S | 1,489 | $173.2569 | D | 23,995 | D | |
| Common StockF1,F3 | Jan 5, 2018 | S | 223 | $174.1705 | D | 23,772 | 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 range in prices for the transaction reported on this line was $172.85 to $173.80. The average weighted price was $173.2569. 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.
- F3The range in prices for the transaction reported on this line was $173.85 to $174.35. The average weighted price was $174.1705. 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.