Marcela V. Maus - Sep 7, 2021 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Role
Director
Signature
/s/ Helen C. Fu, Attorney-in-Fact
Stock symbol
BLUE
Transactions as of
Sep 7, 2021
Transactions value $
$0
Form type
4
Date filed
9/9/2021, 05:08 PM
Next filing
Oct 18, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLUE Common Stock Award $0 +4.66K $0.00 4.66K Sep 7, 2021 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 +7.5K $0.00 7.5K Sep 7, 2021 Common Stock 7.5K $17.37 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These restricted stock units for common stock vest ratably over three years in annual installments commencing on September 7, 2021.
F2 This option vests ratably over three years in annual installments commencing on September 7, 2021.