Philip D. Gregory - Feb 1, 2023 Form 4 Insider Report for 2seventy bio, Inc. (TSVT)

Role
Chief Scientific Officer
Signature
/s/ Teresa Jurgensen, Attorney-in-Fact
Stock symbol
TSVT
Transactions as of
Feb 1, 2023
Transactions value $
$0
Form type
4
Date filed
2/3/2023, 03:59 PM
Previous filing
Jan 18, 2023
Next filing
Aug 7, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TSVT Common Stock Award $0 +25K +25.12% $0.00 125K Feb 1, 2023 Direct F1
transaction TSVT Common Stock Award $0 +143K +114.73% $0.00 267K Feb 1, 2023 Direct F2

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 TSVT Stock Option (Right to buy) Award $0 +50K $0.00 50K Feb 1, 2023 Common Stock 50K $13.20 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This restricted stock unit award vests over a four-year period at the rate of 25% on 01/01/2024, 25% on 01/01/2025, 25% on 01/01/2026, and 25% on 01/01/2027.
F2 This restricted stock unit award vests over a three-year period at the rate of 40% on 01/01/2024, 40% on 01/01/2025, and 20% on 01/01/2026.
F3 This stock option vests over a four-year period at the rate of 25% on 01/01/2024, and then in 36 equal monthly installments thereafter.