Investor · San Diego, CA

Brian Sun

Open Brian in the network graph →

Filings

4

SEC Form D

Connections

12

co-filers

Capital

$656.4M

across filings

Active

Mar 2024

to Sep 2025

Most-connected co-filers (12)

Mohammad Hirmand · San Diego, CA4 shared Carl L. Gordon · New York, NY4 shared Simeon George · Menlo Park, CA4 shared Athena S. Countouriotis · San Diego, CA4 shared Scott Lipman · San Diego, CA3 shared Judith Li · San Diego, CA3 shared Paolo Tombesi · San Diego, CA3 shared Garry Nicholson · San Diego, CA2 shared Jakob Dupont, M.D., M.A · San Diego, CA2 shared Michael Rome · New York, NY2 shared M. Flam · SAN DIEGO, CA1 shared Patrick Machado · New York, NY1 shared

Recent filings (4)

Avenzo Therapeutics, Inc.Sep 2025 · 11 co-filers$75.0M Avenzo Therapeutics, Inc.Nov 2024 · 10 co-filers$385.9M Avenzo Therapeutics, Inc.Mar 2024 · 9 co-filers$346.9M Avenzo Therapeutics, Inc.Sep 2022 · 12 co-filers$171.5M Avenzo Therapeutics, Inc.Sep 2022 · 12 co-filers$171.5M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Brian in the interactive graph →