SEC Form 4 · accession 0001209191-17-053149
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
John Maraganore
Director
Period of report
Sep 14, 2017
Accepted (ET)
Sep 18, 2017 · 4:09 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 Stock | Sep 14, 2017 | M | 18,868 | $2.09 | A | 24,711 | D | |
| Common StockF1 | Sep 14, 2017 | S | 18,268 | $131.1935 | D | 6,443 | D | |
| Common StockF2 | Sep 14, 2017 | S | 600 | $131.8167 | D | 5,843 | 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)F3 | $2.09 | Sep 14, 2017 | M | 18,868 | A | — | Jan 8, 2022 | CommonStock | 18,868 | 0 | D |
Explanation of responses
- F1The range in prices for the transaction reported on this line was $130.80 to $131.75. The average weighted price was $131.1935. 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.
- F2The range in prices for the transaction reported on this line was $131.80 to $131.90. The average weighted price was $131.8167. 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.
- F3This option vests in 48 equal monthly installments, commencing on April 1, 2011.