SEC Form 4/A · accession 0001209191-18-024654
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
This is an amendment (Form 4/A). It replaces an earlier filing for the same period.
Reporting owner
Philip D Gregory
Officer — Chief Scientific Officer
Period of report
Feb 1, 2018
Accepted (ET)
Apr 11, 2018 · 5:17 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 | Feb 1, 2018 | A | 7,500 | $0.00 | A | 39,772 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Restricted stock units for common stock vest over a two-year period at a rate of 50% on 01/04/2019 and 50% on 01/04/2020.
- F2This Form 4 amendment is being filed to report the award of 7,500 restricted stock units which was inadvertently omitted from the original Form 4 filed by the reporting person on February 5, 2018. These shares were omitted from two Form 4s filed by the reporting person on March 5, 2018 and April 4, 2018, after the filing of this original Form 4.