SEC Form 4 · accession 0001209191-18-038773
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
A later amendment supersedes this filing — read the amendment. The figures below are kept as originally reported (version chain, not an overwrite).
Reporting owner
Philip D Gregory
Officer — Chief Scientific Officer
Period of report
Jun 18, 2018
Accepted (ET)
Jun 20, 2018 · 4:29 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,F2 | Jun 18, 2018 | S | 1,801 | $175.6458 | D | 27,471 | D | |
| Common StockF1 | Jun 18, 2018 | S | 300 | $177.30 | D | 27,171 | D | |
| Common StockF1,F3 | Jun 18, 2018 | S | 1,800 | $181.3611 | D | 25,371 | 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 $175.35 to $176.05. The average weighted price was $175.6458. 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 $181.25 to $181.50. The average weighted price was $181.3611. 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