SEC Form 4/A · accession 0001209191-18-042541
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
Jun 18, 2018
Accepted (ET)
Jul 13, 2018 · 4:34 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 | 34,971 | D | |
| Common StockF1 | Jun 18, 2018 | S | 300 | $177.30 | D | 34,671 | D | |
| Common StockF1,F3 | Jun 18, 2018 | S | 1,800 | $181.3611 | D | 32,871 | 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
Remarks
This amendment is being filed to correct the balance of common stock beneficially owned following the reported transaction.