2SEVENTY BIO, INC.

PrivateCIK: 1860782
Location

CAMBRIDGE, MA

Total Insiders

24

Active leadership & owners

Board Directors

13

Governing body

Corporate Officers

6

Executive management

10%+ Owners

6

Major shareholders

Active Insiders

24

Currently serving

Former Insiders

0

Past roles

BLUEBIRD BIO, INC.
10% Owner
Position—
TenureSince Oct 2021
Holdings—
KYNAM CAPITAL MANAGEMENT GP, LLC
10% Owner
Position—
TenureSince Aug 2023
Holdings—
KYNAM CAPITAL MANAGEMENT, LP
10% Owner
Position—
TenureSince Aug 2023
Holdings—
KYNAM FUND GP, LLC
10% Owner
Position—
TenureSince Aug 2023
Holdings—
KYNAM GLOBAL HEALTHCARE MASTER FUND, LP
10% Owner
Position—
TenureSince Aug 2023
Holdings—
TANG YUE
10% Owner
Position—
TenureSince Aug 2023
Holdings—
CASDIN CAPITAL, LLC
Director
Position—
TenureSince Mar 2024
Holdings—
CASDIN ELI
Director
Position—
TenureSince Mar 2024
Holdings—
CASDIN PARTNERS GP, LLC
Director
Position—
TenureSince Mar 2024
Holdings—
CASDIN PARTNERS MASTER FUND, L.P.
Director
Position—
TenureSince Mar 2024
Holdings—
Page 1 of 3