Katy Burnett, Principal Accounting Officer at bluebird bio, Inc. (BLUE), sold 518 shares at $28.16 ($15K) on 2021-02-17, disclosed to the SEC on 2021-02-18.
Open-market sale of $15k BLUE by Principal Accounting Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.