SEC Form 4 · accession 0001209191-15-009372
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
Feb 2, 2015
Accepted (ET)
Feb 4, 2015 · 4:06 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 | Feb 2, 2015 | M | 4,000 | $2.0864 | A | 4,000 | D | |
| Common StockF2 | Feb 2, 2015 | S | 1,858 | $94.536 | D | 2,142 | D | |
| Common StockF3 | Feb 2, 2015 | S | 884 | $95.7632 | D | 1,258 | D | |
| Common StockF4 | Feb 2, 2015 | S | 1,099 | $96.9545 | D | 159 | D | |
| Common StockF5 | Feb 2, 2015 | S | 159 | $98.3985 | 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)F6 | $2.0864 | Feb 2, 2015 | M | 4,000 | D | — | Apr 13, 2022 | Common Stock | 4,000 | 59,239 | 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 $94.00 to $95.00. The average weighted price was $94.5360. 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 $95.01 to $96.00. The average weighted price was $95.7632. 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 $96.60 to $97.45. The average weighted price was $96.9545. 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 $98.24 to $98.56. The average weighted price was $98.3985. 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 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.