POSNER BRIAN S

PrivateCIK: 1372455

Location

CAMBRIDGE, MA

Name & Role	Position	Tenure	Holdings
ARCH CAPITAL GROUP LTD.	—	Since Nov 2018	—
BIOGEN INC.	—	Since Feb 2019	—
DYNE THERAPEUTICS, INC.	—	Since Mar 2026	—

ARCH CAPITAL GROUP LTD.

Position—

TenureSince Nov 2018

Holdings—

Position—

TenureSince Feb 2019

Holdings—

DYNE THERAPEUTICS, INC.

Position—

TenureSince Mar 2026

Holdings—