SEC Form 4 · accession 0001209191-17-059149
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jeffrey T. Walsh
Officer — Chief Financial · Other
Period of report
Nov 1, 2017
Accepted (ET)
Nov 3, 2017 · 4:08 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 | Nov 1, 2017 | M | 35,000 | $5.5004 | A | 62,305 | D | |
| Common StockF2 | Nov 1, 2017 | S | 10,775 | $150.4576 | D | 51,530 | D | |
| Common StockF3 | Nov 1, 2017 | S | 15,462 | $151.4518 | D | 36,068 | D | |
| Common StockF4 | Nov 1, 2017 | S | 7,789 | $152.3022 | D | 28,279 | D | |
| Common StockF5 | Nov 1, 2017 | S | 974 | $153.0958 | D | 27,305 | 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)F6 | $5.5004 | Nov 1, 2017 | M | 35,000 | D | — | Jan 16, 2023 | Common Stock | 35,000 | 27,585 | 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 23, 2016.
- F2The range of prices for the transaction reported on this line was $150.00 to $150.95. The average weighted price was $150.4576. 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 $151.00 to $151.95. The average weighted price was $151.4518. 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 $152.00 to $152.9250. The average weighted price was $152.3022. 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 $153.00 to $153.40. The average weighted price was $153.0958. 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.
- F6This option to purchase shares of our common stock was granted on January 16, 2013 with performance-based vesting criteria that were met as of January 1, 2013, April 1, 2013, May 1, 2013, and June 24, 2013. The shares underlying these options vested as follows: 25% vested on January 1, 2014, April 1, 2014, May 1, 2014, and July 1, 2014, respectively, with the remainder of the shares vesting in equal monthly installments over the following three years.