SEC Form 4 · accession 0001209191-15-002131
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mitchell H. Finer
Officer — Chief Scientific 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 | 19,769 | $0.95 | A | 19,769 | D | |
| Common Stock | Jan 2, 2015 | M | 10,231 | $2.0864 | A | 30,000 | D | |
| Common StockF2 | Jan 2, 2015 | S | 9,355 | $88.2358 | D | 20,645 | D | |
| Common StockF3 | Jan 2, 2015 | S | 3,552 | $88.8931 | D | 17,093 | D | |
| Common StockF4 | Jan 2, 2015 | S | 6,868 | $90.1748 | D | 10,225 | D | |
| Common StockF5 | Jan 2, 2015 | S | 2,050 | $91.1582 | D | 8,175 | D | |
| Common StockF6 | Jan 2, 2015 | S | 7,501 | $92.0151 | D | 674 | D | |
| Common StockF7 | Jan 2, 2015 | S | 674 | $92.9573 | 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 | $0.95 | Jan 2, 2015 | M | 19,769 | D | — | Sep 15, 2020 | Common Stock | 19,769 | 0 | D |
| Stock Option (right to buy)F9 | $2.0864 | Jan 2, 2015 | M | 10,231 | D | — | Jul 13, 2021 | Common Stock | 10,231 | 32,939 | 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 11, 2013.
- F2The range of prices for the transaction reported on this line was $87.53 to $88.52. The average weighted price was $88.2358. 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 $88.8931. 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 $90.1748. 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 $91.1582. 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 $92.0151. 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 $92.9573. 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 in 48 equal monthly installments, commencing on March 8, 2010.
- F9This option vests at a rate of twenty-five percent (25%) on April 15, 2012 and in 36 equal monthly installments thereafter.