SEC Form 4 · accession 0001209191-18-036078
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
Jun 4, 2018
Accepted (ET)
Jun 6, 2018 · 4:39 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 | Jun 4, 2018 | M | 13,000 | $24.47 | A | 37,905 | D | |
| Common StockF2 | Jun 4, 2018 | S | 5,700 | $186.2255 | D | 32,205 | D | |
| Common StockF3 | Jun 4, 2018 | S | 2,800 | $186.8116 | D | 29,405 | D | |
| Common StockF4 | Jun 4, 2018 | S | 600 | $188.4375 | D | 28,805 | D | |
| Common StockF5 | Jun 4, 2018 | S | 1,300 | $190.0635 | D | 27,505 | D | |
| Common StockF6 | Jun 4, 2018 | S | 1,600 | $190.9609 | D | 25,905 | D | |
| Common StockF7 | Jun 4, 2018 | S | 1,000 | $191.725 | 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)F8 | $24.47 | Jun 4, 2018 | M | 13,000 | D | — | Mar 3, 2024 | Common Stock | 13,000 | 14,000 | 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.
- F2The range in prices for the transaction reported on this line was $185.55 to $186.50. The average weighted price was $186.2255. 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 $186.55 to $187.50. The average weighted price was $186.8116. 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 $188.00 to $188.70. The average weighted price was $188.4375. 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 $189.40 to $190.35. The average weighted price was $190.0635. 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 $190.40 to $191.25. The average weighted price was $190.9609. 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 $191.55 to $192.00. The average weighted price was $191.725. 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.
- F8This 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.