SEC Form 4 · accession 0001209191-17-047289
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
Aug 1, 2017
Accepted (ET)
Aug 3, 2017 · 4:04 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 | Aug 1, 2017 | M | 3,000 | $2.09 | A | 18,977 | D | |
| Common StockF2 | Aug 1, 2017 | S | 1,800 | $91.8407 | D | 17,177 | D | |
| Common StockF3 | Aug 1, 2017 | S | 1,100 | $93.0318 | D | 16,077 | D | |
| Common StockF4 | Aug 1, 2017 | S | 100 | $94.5125 | D | 15,977 | 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)F5 | $2.09 | Aug 1, 2017 | M | 3,000 | D | — | Apr 13, 2022 | Common Stock | 3,000 | 1,239 | 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 December 12, 2016.
- F2The range of prices for the transaction reported on this line was $91.60 to $92.50. The average weighted price was $91.8407. 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 $93.00 to $93.20. The average weighted price was $93.0318. 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 $94.50 to $94.55. The average weighted price was $94.5125. 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.
- F5This 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.