Nick Leschly - 02 Aug 2021 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Signature
/s/ Helen C. Fu, Attorney-in-Fact
Issuer symbol
BLUE
Transactions as of
02 Aug 2021
Net transactions value
$0
Form type
4
Filing time
04 Aug 2021, 16:53:05 UTC
Previous filing
14 Jun 2021
Next filing
18 Oct 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLUE Common Stock Award $0 +51,304 +17% $0.000000 357,996 02 Aug 2021 Direct F1
transaction BLUE Common Stock Award $0 +51,303 +14% $0.000000 409,299 02 Aug 2021 Direct F2
holding BLUE Common Stock 45,699 02 Aug 2021 Nick Leschly 2001 Trust
holding BLUE Common Stock 123,000 02 Aug 2021 Nick Leschly Irrevocable GST Trust of 2019
* 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 two-year period at the rate of 40% on August 2, 2022 and 60% on August 2, 2023.
F2 Restricted stock unit awards shall vest upon the satisfaction of certain performance criteria.