Anne-Virginie Eggimann - Feb 1, 2022 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Role
Chief Regulatory Officer
Signature
/s/ Helen C. Fu, Attorney-in-Fact
Stock symbol
BLUE
Transactions as of
Feb 1, 2022
Transactions value $
$0
Form type
4
Date filed
2/3/2022, 05:08 PM
Previous filing
Jan 13, 2022
Next filing
Jun 21, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLUE Common Stock Award $0 +17K +63.89% $0.00 43.6K Feb 1, 2022 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction BLUE Stock Option (right to buy) Award $0 +34K $0.00 34K Feb 1, 2022 Common Stock 34K $7.80 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock unit awards vest over a four-year period at the rate of 25% on 01/04/2023, 25% on 01/04/2024, 25% on 01/04/2025, and 25% on 01/04/2026.
F2 This stock option vests over a four-year period at the rate of 25% on 01/04/2023 and then in 36 equal monthly installments thereafter.