SEC Form 4 · accession 0001209191-17-065414
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
Dec 11, 2017
Accepted (ET)
Dec 13, 2017 · 4:09 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 | Dec 11, 2017 | M | 9,900 | $24.47 | A | 37,205 | D | |
| Common StockF2 | Dec 11, 2017 | S | 1,299 | $210.2482 | D | 35,906 | D | |
| Common StockF3 | Dec 11, 2017 | S | 101 | $211.0594 | D | 35,805 | D | |
| Common StockF4 | Dec 11, 2017 | S | 1,200 | $212.7004 | D | 34,605 | D | |
| Common StockF5 | Dec 11, 2017 | S | 520 | $213.6462 | D | 34,085 | D | |
| Common StockF6 | Dec 11, 2017 | S | 380 | $214.5842 | D | 33,705 | D | |
| Common StockF7 | Dec 11, 2017 | S | 2,550 | $217.3318 | D | 31,155 | D | |
| Common StockF8 | Dec 11, 2017 | S | 950 | $218.0895 | D | 30,205 | D | |
| Common StockF9 | Dec 11, 2017 | S | 800 | $219.4855 | D | 29,405 | D | |
| Common StockF10 | Dec 11, 2017 | S | 680 | $220.5206 | D | 28,725 | D | |
| Common StockF11 | Dec 11, 2017 | S | 1,420 | $221.5169 | 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)F12 | $24.47 | Dec 11, 2017 | M | 9,900 | D | — | Mar 3, 2024 | Common Stock | 9,900 | 32,271 | 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.
- F10The range of prices for the transaction reported on this line was $220.1500 to $221.0500. The average weighted price was $220.5206. 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.
- F11The range of prices for the transaction reported on this line was $221.3000 to $221.6750. The average weighted price was $221.5169. 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.
- F12This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 1, 2015 and in 36 equal monthly installments thereafter.
- F2The range of prices for the transaction reported on this line was $210.0500 to $210.8750. The average weighted price was $210.2482. 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 $211.0500 to $212.0000. The average weighted price was $211.0594. 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 $212.1000 to $213.0000. The average weighted price was $212.7004. 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 $213.1500 to $214.0000. The average weighted price was $213.6462. 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 $214.4000 to $215.1000. The average weighted price was $214.5842. 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 $217.0000 to $217.9500. The average weighted price was $217.3318. 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 $218.0000 to $218.2500. The average weighted price was $218.0895. 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.
- F9The range of prices for the transaction reported on this line was $219.0000 to $219.7000. The average weighted price was $219.4855. 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.