SEC Form 4 · accession 0001209191-18-001910
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Kory James Wentworth
Officer — Principal Accounting Officer
Period of report
Jan 2, 2018
Accepted (ET)
Jan 4, 2018 · 4:12 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 StockF1 | Jan 2, 2018 | A | 5,000 | $0.00 | A | 5,000 | 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)F2 | $181.90 | Jan 2, 2018 | A | 13,500 | A | — | Jan 2, 2028 | Common Stock | 13,500 | 13,500 | D |
Explanation of responses
- F1Restricted stock units for common stock vest over a four-year period at a rate of 25% on 12/18/2018, 25% on 12/18/2019, 25% on 12/18/2020, and 25% on 12/18/2021.
- F2This option vest over a four-year period, at a rate of twenty-five percent (25%) on 12/18/2018, and in 36 equal monthly installments thereafter.