Form4insider filings, from the source

SEC Form 4 · accession 0001209191-15-042229

bluebird bio, Inc. · BLUE

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Jeffrey T. Walsh
Officer — Chief Operating Officer
Period of report
May 11, 2015
Accepted (ET)
May 13, 2015 · 4:05 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001293971

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockMay 11, 2015M10,455$2.09A10,455D
Common StockMay 11, 2015M545$2.09A11,000D
Common StockF2May 11, 2015S1,120$160.8035D9,880D
Common StockF3May 11, 2015S2,593$161.9571D7,287D
Common StockF4May 11, 2015S1,715$162.8321D5,572D
Common StockF5May 11, 2015S1,328$164.0553D4,244D
Common StockF6May 11, 2015S1,121$165.2362D3,123D
Common StockF7May 11, 2015S1,901$166.4062D1,222D
Common StockF8May 11, 2015S1,222$167.2585D0D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Stock Option (right to buy)F9$2.09May 11, 2015M10,455D—Jul 13, 2021Common Stock10,45560,733D
Stock Otpion (right to buy)F9$2.09May 11, 2015M545D—Jul 13, 2021Common Stock54512,780D

Explanation of responses