SEC Form 4 · accession 0001209191-19-017355
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
Mar 4, 2019
Accepted (ET)
Mar 6, 2019 · 4:32 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 | Mar 4, 2019 | M | 4,910 | $50.51 | A | 36,526 | D | |
| Common StockF2 | Mar 4, 2019 | S | 1,947 | $155.0693 | D | 34,579 | D | |
| Common StockF3 | Mar 4, 2019 | S | 2,225 | $155.8497 | D | 32,354 | D | |
| Common StockF4 | Mar 4, 2019 | S | 338 | $157.0026 | D | 32,016 | D | |
| Common StockF5 | Mar 4, 2019 | S | 400 | $157.70 | D | 31,616 | 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 | $50.51 | Mar 4, 2019 | M | 4,910 | D | — | Mar 1, 2026 | Common Stock | 4,910 | 32,135 | 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 July 9, 2018.
- F2The range in prices for the transaction reported on this line was $154.42 to $155.40. The average weighted price was $155.0693. 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 $155.42 to $156.29. The average weighted price was $155.8497. 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 $156.51 to $157.40. The average weighted price was $157.0026. 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 $157.65 to $157.74. The average weighted price was $157.70. 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.
- F6This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 4, 2017 and in 36 equal monthly installments thereafter.