SEC Form 4 · accession 0001209191-18-002446
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 3, 2018
Accepted (ET)
Jan 5, 2018 · 4:11 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 Stock | Jan 3, 2018 | M | 1,250 | $50.51 | A | 27,734 | D | |
| Common StockF2 | Jan 3, 2018 | S | 1,308 | $180.1045 | D | 26,426 | D | |
| Common StockF3 | Jan 3, 2018 | S | 400 | $180.8125 | D | 26,026 | D | |
| Common StockF4 | Jan 3, 2018 | S | 542 | $182.0075 | D | 25,484 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy)F5 | $50.51 | Jan 3, 2018 | M | 1,250 | D | — | Mar 1, 2026 | Common Stock | 1,250 | 20,750 | D |
Explanation of responses
- F1The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 17, 2017.
- F2The range in prices for the transaction reported on this line was $179.55 to $180.35. The average weighted price was $180.1045. 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 $180.55 to $181.30. The average weighted price was $180.8125. 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 $181.75 to $182.50. The average weighted price was $182.0075. 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.
- F5This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 4, 2017 and in 36 equal monthly installments thereafter.