SEC Form 4 · accession 0001209191-18-023720
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
Apr 2, 2018
Accepted (ET)
Apr 4, 2018 · 4:47 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 | Apr 2, 2018 | M | 22,000 | $24.47 | A | 46,905 | D | |
| Common StockF2 | Apr 2, 2018 | S | 955 | $162.7703 | D | 45,950 | D | |
| Common StockF3 | Apr 2, 2018 | S | 2,900 | $163.8623 | D | 43,050 | D | |
| Common StockF4 | Apr 2, 2018 | S | 2,375 | $164.6629 | D | 40,675 | D | |
| Common StockF5 | Apr 2, 2018 | S | 1,518 | $166.1827 | D | 39,157 | D | |
| Common StockF6 | Apr 2, 2018 | S | 3,400 | $167.2144 | D | 35,757 | D | |
| Common StockF7 | Apr 2, 2018 | S | 1,900 | $168.0921 | D | 33,857 | D | |
| Common StockF8 | Apr 2, 2018 | S | 3,800 | $169.3559 | D | 30,057 | D | |
| Common StockF9 | Apr 2, 2018 | S | 3,552 | $170.5544 | D | 26,505 | D | |
| Common StockF10 | Apr 2, 2018 | S | 1,600 | $171.3343 | D | 24,905 | 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)F11 | $24.47 | Apr 2, 2018 | M | 22,000 | D | — | Mar 3, 2024 | Common Stock | 22,000 | 43,000 | 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 13, 2017.
- F10The range in prices for the transaction reported on this line was $171.05 to $171.60. The average weighted price was $171.3343. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F11This 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 in prices for the transaction reported on this line was $162.30 to $163.20. The average weighted price was $162.7703. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F3The range in prices for the transaction reported on this line was $163.35 to $164.30. The average weighted price was $163.8623. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F4The range in prices for the transaction reported on this line was $164.35 to $165.10. The average weighted price was $164.6629. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F5The range in prices for the transaction reported on this line was $165.75 to $166.70. The average weighted price was $166.1827. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F6The range in prices for the transaction reported on this line was $166.75 to $167.55. The average weighted price was $167.2144. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F7The range in prices for the transaction reported on this line was $167.85 to $168.80. The average weighted price was $168.0921. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F8The range in prices for the transaction reported on this line was $168.90 to $169.85. The average weighted price was $169.3559. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F9The range in prices for the transaction reported on this line was $170.05 to $171.00. The average weighted price was $170.5544. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.