SEC Form 4 · accession 0001209191-18-017256
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
David Davidson
Officer — Chief Medical Officer
Period of report
Mar 2, 2018
Accepted (ET)
Mar 6, 2018 · 4:29 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 2, 2018 | M | 4,000 | $5.5004 | A | 28,905 | D | |
| Common StockF2 | Mar 2, 2018 | S | 2,000 | $200.6006 | D | 26,905 | D | |
| Common StockF3 | Mar 2, 2018 | S | 1,700 | $201.6793 | D | 25,205 | D | |
| Common StockF4 | Mar 2, 2018 | S | 300 | $202.3167 | D | 24,905 | 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 | $5.5004 | Mar 2, 2018 | M | 4,000 | D | — | Jan 16, 2023 | Common Stock | 4,000 | 63,951 | 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 December 12, 2016.
- F2The range in prices for the transaction reported on this line was $200.00 to $200.85. The average weighted price was $200.6006. 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 $201.15 to $202.10. The average weighted price was $201.6793. 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 $202.25 to $202.35. The average weighted price was $202.3167. 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 to purchase shares of our common stock was granted on January 16, 2013 with performance-based vesting criteria that were met as of April 1, 2013 and May 1, 2013. The shares underlying these options vested as follows: 25% vested on April 1, 2014 and May 1, 2014, respectively, with the remainder of the shares vesting in equal monthly installments over the following three years.