SEC Form 4 · accession 0001209191-17-065415
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark Vachon
Director
Period of report
Dec 11, 2017
Accepted (ET)
Dec 13, 2017 · 4:10 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 | Dec 11, 2017 | M | 6,000 | $30.47 | A | 8,000 | D | |
| Common StockF2 | Dec 11, 2017 | S | 300 | $210.5667 | D | 7,700 | D | |
| Common StockF3 | Dec 11, 2017 | S | 1,421 | $212.315 | D | 6,279 | D | |
| Common StockF4 | Dec 11, 2017 | S | 800 | $217.0875 | D | 5,479 | D | |
| Common StockF5 | Dec 11, 2017 | S | 2,200 | $218.0636 | D | 3,279 | D | |
| Common Stock | Dec 11, 2017 | S | 1,979 | $219.50 | D | 1,300 | D | |
| Common StockF6 | Dec 11, 2017 | S | 300 | $212.65 | D | 1,000 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock OptionF7 | $30.47 | Dec 11, 2017 | M | 6,000 | D | — | Jul 16, 2024 | Common Stock | 6,000 | 8,000 | D |
Explanation of responses
- F1The sales reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 8, 2017.
- F2The range in prices for the transaction reported on this line was $210.4000 to $210.9000. The average weighted price was $210.5667. 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 $211.6500 to $212.6000. The average weighted price was $212.3150. 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 of prices for the transaction reported on this line was $216.9000 to $217.2500. The average weighted price was $217.0875. 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 $218.0000 to $218.2000. The average weighted price was $218.0636. 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 $221.5500 to $221.8500. The average weighted price was $221.6500. 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.
- F7This option vests ratably over three years in annual installments, commencing on July 16, 2014.