SEC Form 4 · accession 0001209191-17-050378
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
John Maraganore
Director
Period of report
Aug 24, 2017
Accepted (ET)
Aug 28, 2017 · 4:17 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 24, 2017 | M | 13,839 | $2.09 | A | 19,682 | D | |
| Common StockF1 | Aug 24, 2017 | S | 4,700 | $95.1253 | D | 14,982 | D | |
| Common StockF2 | Aug 24, 2017 | S | 6,385 | $96.3225 | D | 8,597 | D | |
| Common StockF3 | Aug 2, 2017 | S | 2,754 | $96.7411 | D | 5,843 | 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)F4 | $2.09 | Aug 24, 2017 | M | 13,839 | A | — | Jan 8, 2022 | CommonStock | 13,839 | 18,868 | D |
Explanation of responses
- F1The range in prices for the transaction reported on this line was $94.65 to $95.60. The average weighted price was $95.1253. 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.
- F2The range in prices for the transaction reported on this line was $95.65 to $96.60. The average weighted price was $96.3225. 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 $96.65 to $96.95. The average weighted price was $96.7411. 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.
- F4This option vests in 48 equal monthly installments, commencing on April 1, 2011.