Investor · Cambridge, MA

Charles Baum

Open Charles in the network graph →

Filings

1

SEC Form D

Connections

8

co-filers

Capital

$30.3M

across filings

Active

Sep 2025

to Sep 2025

Most-connected co-filers (8)

Sakae C. Asanuma · WALTHAM, MA1 shared Dmitri Wiederschain · Cambridge, MA1 shared Alexander Nolte · Cambridge, MA1 shared Irena Melnikova · Cambridge, MA1 shared Alexandra Cantley · Somerville, MA1 shared Todd Foley · South San Francisco, CA1 shared Briggs Morrison · Cambridge, MA1 shared Alon Lazarus · Cambridge, MA1 shared

Recent filings (1)

Crossbow Therapeutics, Inc.Sep 2025 · 17 co-filers$80.0M Crossbow Therapeutics, Inc.Sep 2025 · 17 co-filers$80.0M

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