Thomas J. Klima - 10 May 2021 Form 3 Insider Report for bluebird bio, Inc. (BLUE)

Signature
/s/ Helen C. Fu, Attorney-in-Fact
Issuer symbol
BLUE
Transactions as of
10 May 2021
Net transactions value
$0
Form type
3
Filing time
10 May 2021, 16:45:56 UTC
Next filing
02 Jun 2021

No securities are beneficially owned.