Nick Leschly - 12 May 2021 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Signature
/s/ Helen C. Fu, Attorney-in-Fact
Issuer symbol
BLUE
Transactions as of
12 May 2021
Net transactions value
$0
Form type
4
Filing time
13 May 2021, 16:57:29 UTC
Next filing
14 Jun 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLUE Common Stock Gift $0 -123,000 -73% $0.000000 45,699 12 May 2021 Nick Leschly 2001 Trust F1
transaction BLUE Common Stock Gift $0 +123,000 $0.000000 123,000 12 May 2021 Nick Leschly Irrevocable GST Trust of 2019 F1
holding BLUE Common Stock 306,692 12 May 2021 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction represents a gift of securities by the reporting person's indirectly owned revocable trust account to The Nick Leschly Irrevocable GST Trust of 2019 (the "Irrevocable Trust") designed for the benefit of his spouse and his daughters. The reporting person's brother is the trustee of the Irrevocable Trust. The reporting person disclaims beneficial ownership of the Irrevocable Trust.