Jessica Snow - Apr 1, 2024 Form 3 Insider Report for 2seventy bio, Inc. (TSVT)

Role
Title: Senior Vice President of Quality and Enabling Functions; Exhibit 24 Power of Attorney
Signature
/s/ Iya Kessler, Attorney-in-Fact
Stock symbol
TSVT
Transactions as of
Apr 1, 2024
Transactions value $
$0
Form type
3
Date filed
4/3/2024, 08:06 PM
Next filing
May 16, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding TSVT Common Stock 25K Apr 1, 2024 Direct

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
holding TSVT Stock Options (Right to buy) Apr 1, 2024 Common Stock 990 $241.47 Direct F1
holding TSVT Stock Options (Right to buy) Apr 1, 2024 Common Stock 425 $209.06 Direct F1
holding TSVT Stock Options (Right to buy) Apr 1, 2024 Common Stock 491 $114.67 Direct F1
holding TSVT Stock Options (Right to buy) Apr 1, 2024 Common Stock 343 $78.84 Direct F2
holding TSVT Stock Options (Right to buy) Apr 1, 2024 Common Stock 2.1K $50.35 Direct F3
holding TSVT Stock Options (Right to buy) Apr 1, 2024 Common Stock 9.5K $13.41 Direct F4
holding TSVT Stock Options (Right to buy) Apr 1, 2024 Common Stock 6.8K $13.20 Direct F5
holding TSVT Stock Options (Right to buy) Apr 1, 2024 Common Stock 6.4K $13.20 Direct F5
holding TSVT Stock Options (Right to buy) Apr 1, 2024 Common Stock 18.3K $3.97 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This stock option is fully vested and currently exercisable.
F2 This stock option vests over a four-year period at the rate of 25% on May 1, 2021, and then in 36 equal monthly installments thereafter.
F3 This stock option vests over a four-year period at the rate of 25% on July 1, 2022, and then in 36 equal monthly installments thereafter.
F4 This stock option vests over a four-year period at the rate of 25% on January 1, 2023, and then in 36 equal monthly installments thereafter.
F5 This stock option vests over a four-year period at the rate of 25% on January 1, 2024, and then in 36 equal monthly installments thereafter.
F6 This stock option vests over a three-year period at the rate of 25% on June 2, 2024, 25% on October 2, 2024, and then in 2 equal annual installments thereafter.

Remarks:

Title: Senior Vice President of Quality and Enabling Functions; Exhibit 24 Power of Attorney