SEC Form 4 · accession 0001209191-15-047129
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mitchell H. Finer
Officer — Chief Scientific Officer
Period of report
May 22, 2015
Accepted (ET)
May 27, 2015 · 4:11 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 | May 22, 2015 | M | 15,000 | $5.5004 | A | 15,000 | D | |
| Common StockF2 | May 22, 2015 | S | 1,600 | $166.3918 | D | 13,400 | D | |
| Common StockF3 | May 22, 2015 | S | 1,450 | $168.1972 | D | 11,950 | D | |
| Common StockF4 | May 22, 2015 | S | 2,000 | $169.2465 | D | 9,950 | D | |
| Common StockF5 | May 22, 2015 | S | 3,794 | $170.2365 | D | 6,156 | D | |
| Common StockF6 | May 22, 2015 | S | 1,653 | $171.3473 | D | 4,503 | D | |
| Common StockF7 | May 22, 2015 | S | 4,003 | $172.4674 | D | 500 | D | |
| Common StockF8 | May 22, 2015 | S | 500 | $173.3903 | D | 0 | 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)F9 | $5.5004 | May 22, 2015 | M | 15,000 | D | — | Jan 16, 2023 | Common Stock | 15,000 | 100,550 | 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 22, 2014.
- F2The range of prices for the transaction reported on this line was $166.33 to $166.55. The average weighted price was $166.3918. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F3The range of prices for the transaction reported on this line was $167.78 to $168.5050. The average weighted price was $168.1972. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F4The range of prices for the transaction reported on this line was $168.82 to $169.80. The average weighted price was $169.2465. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F5The range of prices for the transaction reported on this line was $169.97 to $170.80. The average weighted price was $170.2365. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F6The range of prices for the transaction reported on this line was $171.00 to $172.00. The average weighted price was $171.3473. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F7The range of prices for the transaction reported on this line was $172.01 to $173.01. The average weighted price was $172.4674. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F8The range of prices for the transaction reported on this line was $173.02 to $173.91. The average weighted price was $173.3903. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F9This option to purchase shares of our common stock granted on January 16, 2013 with performance-based vesting criteria that were met as of January 1, 2013. The shares underlying these options vested as follows: 25% vested on January 1, 2014, with the remainder of the shares vesting in equal monthly installments over the following three years.