Christopher Krawtschuk - Dec 1, 2022 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Signature
/s/ Christopher Krawtschuk
Stock symbol
BLUE
Transactions as of
Dec 1, 2022
Transactions value $
$0
Form type
4
Date filed
12/5/2022, 03:49 PM
Previous filing
Nov 7, 2022
Next filing
Dec 8, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLUE Common Stock Award $0 +50K $0.00 50K Dec 1, 2022 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 Options (Right to buy) Award $0 +100K $0.00 100K Dec 1, 2022 Common Stock 100K $7.61 Direct F2
* 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 four-year period at the rate of 25% on 12/1/2023, 25% on 12/1/2024, 25% on 12/1/2025, and 25% on 12/1/2026.
F2 The stock option vests over a four-year period at the rate of 25% on 12/1/2023 and then in 36 equal monthly installments thereafter.