SEC Form 4 · accession 0001209191-17-018411
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
John Maraganore
Director
Period of report
Mar 3, 2017
Accepted (ET)
Mar 6, 2017 · 5:24 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 | Mar 3, 2017 | M | 922 | $0.9484 | A | 5,765 | D | |
| Common Stock | Mar 3, 2017 | M | 12,917 | $5.5004 | A | 18,682 | D | |
| Common StockF1 | Mar 3, 2017 | S | 13,839 | $85.0239 | D | 4,843 | 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)F2 | $0.9484 | Mar 3, 2017 | M | 922 | D | — | Nov 18, 2020 | Common Stock | 922 | 0 | D |
| Stock Option (right to buy)F3 | $5.5004 | Mar 3, 2017 | M | 12,917 | D | — | Jan 16, 2023 | Common Stock | 12,917 | 0 | D |
Explanation of responses
- F1The range in prices for the transaction reported on this line was $84.50 to $85.35. The average weighted price was $85.0239. 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.
- F2This option vests over a one-year period, at a rate of twenty-five percent (25%) on December 6, 2010, 25% on March 6, 2011, 25% on June 6, 2011, and 25% on September 6, 2011.
- F3This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 16, 2014 and in 36 equal monthly installments thereafter.