SEC Form 4 · accession 0001209191-15-044369
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 15, 2015
Accepted (ET)
May 19, 2015 · 4:07 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 15, 2015 | M | 15,000 | $5.5004 | A | 15,000 | D | |
| Common StockF2 | May 15, 2015 | S | 4,849 | $153.0396 | D | 10,151 | D | |
| Common StockF3 | May 15, 2015 | S | 3,815 | $153.8391 | D | 6,336 | D | |
| Common StockF4 | May 15, 2015 | S | 3,829 | $155.0203 | D | 2,507 | D | |
| Common StockF5 | May 15, 2015 | S | 1,707 | $155.8946 | D | 800 | D | |
| Common StockF6 | May 15, 2015 | S | 343 | $157.2376 | D | 457 | D | |
| Common StockF7 | May 15, 2015 | S | 342 | $158.1883 | D | 115 | D | |
| Common Stock | May 15, 2015 | S | 115 | $159.26 | 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)F8 | $5.5004 | May 15, 2015 | M | 15,000 | D | — | Jan 16, 2023 | Common Stock | 15,000 | 115,550 | 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 $152.50 to $153.50. The average weighted price was $153.0396. 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 $153.51 to $154.50. The average weighted price was $153.8391. 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 $154.52 to $155.52. The average weighted price was $155.0203. 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 $155.53 to $156.25. The average weighted price was $155.8946. 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 $157.00 to $157.60. The average weighted price was $157.2376. 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 $158.10 to $158.27. The average weighted price was $158.1883. 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.
- F8This 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.