Investor · South San Francisco, CA

Catherine Planey

Open Catherine in the network graph →

Filings

4

SEC Form D

Connections

6

co-filers

Capital

$19.2M

across filings

Active

Nov 2024

to Jul 2025

Most-connected co-filers (6)

Ed O'Sullivan · South San Francisco, CA3 shared Michael Duca · South San Francisco, CA3 shared Ambuj Singh · South San Francisco, CA3 shared Michael A. Shah · South San Francisco, CA1 shared Alexander Mok · San Francisco, CA1 shared Francisco Gimenez · San Carlos, CA1 shared

Recent filings (4)

Acelot, Inc.Jul 2025 · 3 co-filers$8.7M Acelot, Inc.Apr 2025 · 3 co-filers$6.5M Acelot, Inc.Nov 2024 · 4 co-filers$4.0M Mantra Bio, Inc.Aug 2020 · 5 co-filers$30.1M Mantra Bio, Inc.Aug 2020 · 5 co-filers$30.1M

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