SEC Form 4 · accession 0001209191-19-003084
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 7, 2019
Accepted (ET)
Jan 9, 2019 · 4:57 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 7, 2019 | M | 600 | $50.51 | A | 31,221 | D | |
| Common Stock | Jan 7, 2019 | S | 13 | $109.70 | D | 31,208 | D | |
| Common Stock | Jan 7, 2019 | S | 400 | $109.48 | D | 30,808 | D | |
| Common Stock | Jan 7, 2019 | S | 437 | $107.41 | D | 30,371 | D | |
| Common StockF2,F3 | Jan 7, 2019 | S | 1,992 | $113.2887 | D | 28,379 | D | |
| Common StockF2,F4 | Jan 7, 2019 | S | 1,037 | $114.306 | D | 27,342 | 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 7, 2019 | M | 600 | D | — | Mar 1, 2026 | Common Stock | 600 | 13,400 | D |
Explanation of responses
- F1The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the reporting person on July 2, 2018.
- F2Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units.
- F3The range in prices for the transaction reported on this line was $112.73 to $113.70. The average weighted price was $113.2887. 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 $113.78 to $114.72. The average weighted price was $114.306. 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.