William D. Baird III - Jan 5, 2024 Form 4 Insider Report for 2seventy bio, Inc. (TSVT)

Signature
/s/ Teresa Jurgensen, Attorney-in-Fact
Stock symbol
TSVT
Transactions as of
Jan 5, 2024
Transactions value $
-$5,180
Form type
4
Date filed
1/9/2024, 04:09 PM
Previous filing
Jan 5, 2024
Next filing
Apr 3, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TSVT Common Stock Sale -$5.18K -1.38K -0.85% $3.75 161K Jan 5, 2024 Direct F1, F2
transaction TSVT Common Stock Award $0 +91K +56.4% $0.00 252K Jan 8, 2024 Direct F3

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 +182K $0.00 182K Jan 8, 2024 Common Stock 182K $3.97 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares were sold to cover tax withholding obligations incurred in connection with the vesting of restricted stock units ("RSUs").
F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.675 to $3.83, inclusive. The Reporting Person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
F3 RSU awards vest over a four-year period at the rate of 25% on 01/02/2025, 25% on 01/02/2026, 25% on 01/02/2027, and 25% on 01/02/2028.
F4 This stock option vests over a four-year period at the rate of 25% on 01/02/2025, and then in 36 equal monthly installments thereafter.