Christopher Krawtschuk - Mar 1, 2024 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Role
Chief Financial Officer
Signature
/s/ Sydney Gaylin, Attorney-in-Fact
Stock symbol
BLUE
Transactions as of
Mar 1, 2024
Transactions value $
$0
Form type
4
Date filed
3/5/2024, 05:39 PM
Previous filing
Dec 8, 2023
Next filing
Nov 19, 2024

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 +199K $0.00 199K Mar 1, 2024 Common Stock 199K $1.56 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This stock option will vest over a four-year period at the rate of 25% on the first anniversary of March 1, 2024, and then in equal monthly installments for the remaining 36 months.