SEC Form 4 · accession 0001209191-15-044368
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
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 | 2,000 | $2.09 | A | 2,000 | D | |
| Common StockF2 | May 15, 2015 | S | 648 | $153.0397 | D | 1,352 | D | |
| Common StockF3 | May 15, 2015 | S | 509 | $153.8387 | D | 843 | D | |
| Common StockF4 | May 15, 2015 | S | 508 | $155.0185 | D | 335 | D | |
| Common StockF5 | May 15, 2015 | S | 227 | $155.8976 | D | 108 | D | |
| Common StockF6 | May 15, 2015 | S | 45 | $157.2293 | D | 63 | D | |
| Common StockF7 | May 15, 2015 | S | 48 | $158.1883 | D | 15 | D | |
| Common Stock | May 15, 2015 | S | 15 | $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 | $2.09 | May 15, 2015 | M | 2,000 | D | — | Apr 13, 2022 | Common Stock | 2,000 | 51,239 | 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 January 14, 2015.
- F2The range of prices for the transaction reported on this line was $152.50 to $153.50. The average weighted price was $153.0397. 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 $153.8387. 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 $155.0185. 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 $155.8976. 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 $157.2293. 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 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.