Marcela Maus V - 07 Sep 2021 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Role
Director
Signature
/s/ Helen C. Fu, Attorney-in-Fact
Issuer symbol
BLUE
Transactions as of
07 Sep 2021
Net transactions value
$0
Form type
4
Filing time
09 Sep 2021, 17:08:55 UTC
Next filing
18 Oct 2021
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLUE Common Stock Award $0 +4,663 $0.000000 4,663 07 Sep 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 +7,500 $0.000000 7,500 07 Sep 2021 Common Stock 7,500 $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.