SEC Form 4 · accession 0001209191-15-002129
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
Jan 2, 2015
Accepted (ET)
Jan 6, 2015 · 4:04 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 | Jan 2, 2015 | M | 4,000 | $2.0864 | A | 4,000 | D | |
| Common StockF2 | Jan 2, 2015 | S | 1,239 | $88.2368 | D | 2,761 | D | |
| Common StockF3 | Jan 2, 2015 | S | 486 | $88.902 | D | 2,275 | D | |
| Common StockF4 | Jan 2, 2015 | S | 918 | $90.176 | D | 1,357 | D | |
| Common StockF5 | Jan 2, 2015 | S | 269 | $91.1638 | D | 1,088 | D | |
| Common StockF6 | Jan 2, 2015 | S | 998 | $92.0146 | D | 90 | D | |
| Common StockF7 | Jan 2, 2015 | S | 90 | $92.9572 | 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 | $2.0864 | Jan 2, 2015 | M | 4,000 | D | — | Apr 13, 2022 | Common Stock | 4,000 | 63,239 | 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 October 14, 2013.
- F2The range of prices for the transaction reported on this line was $87.53 to $88.52. The average weighted price was $88.2368. 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 $88.54 to $89.51. The average weighted price was $88.9020. 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 $89.62 to $90.62. The average weighted price was $90.1760. 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 $90.63 to $91.61. The average weighted price was $91.1638. 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 $91.66 to $92.50. The average weighted price was $92.0146. 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 $92.92 to $92.99. The average weighted price was $92.9572. 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 vests over a four-year period, at a rate of twenty-five percent (25%) on February 13, 2013 and in 36 equal monthly installments thereafter.