SEC Form 4 · accession 0001209191-18-020553
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark Vachon
Director
Period of report
Mar 15, 2018
Accepted (ET)
Mar 19, 2018 · 4:06 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 | Mar 15, 2018 | M | 6,000 | $30.47 | A | 7,000 | D | |
| Common StockF2 | Mar 15, 2018 | S | 1,000 | $211.1083 | D | 6,000 | D | |
| Common StockF3 | Mar 15, 2018 | S | 950 | $212.7231 | D | 5,050 | D | |
| Common StockF4 | Mar 15, 2018 | S | 550 | $213.6132 | D | 4,500 | D | |
| Common StockF5 | Mar 15, 2018 | S | 1,600 | $214.7563 | D | 2,900 | D | |
| Common StockF6 | Mar 15, 2018 | S | 1,200 | $215.8355 | D | 1,700 | D | |
| Common StockF7 | Mar 15, 2018 | S | 400 | $217.2375 | D | 1,300 | D | |
| Common Stock | Mar 15, 2018 | S | 300 | $220.20 | 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 OptionF8 | $30.47 | Mar 15, 2018 | M | 6,000 | D | — | Jul 16, 2024 | Common Stock | 6,000 | 2,000 | 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 $210.75 to $211.60. The average weighted price was $211.1083. 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 $212.10 to $213.05. The average weighted price was $212.7231. 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 $213.10 to $214.05. The average weighted price was $213.6132. 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 $214.35 to $215.05. The average weighted price was $214.7563. 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 $215.50 to $216.40. The average weighted price was $215.8355. 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.
- F7The range of prices for the transaction reported on this line was $217.00 to $217.80. The average weighted price was $217.2375. 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.
- F8This option vests ratably over three years in annual installments, commencing on July 16, 2015.