Investor · Menlo Park, CA

William Kirsch

Open William in the network graph →

Filings

2

SEC Form D

Connections

7

co-filers

Capital

—

across filings

Active

Oct 2025

to Oct 2025

Most-connected co-filers (7)

Richard Ginn · Los Gatos, CA2 shared Jill Koziol · Park City, UT1 shared Brandon Child · Menlo Park, CA1 shared Costella Kirsch Sbic Gp, Llc · Menlo Park, CA1 shared Costella Kirsch Vii, Llc · Menlo Park, CA1 shared Costella Kirsch Sbic Gp, Llc · Menlo Park, CA1 shared Costella Kirsch Vii, Llc · Menlo Park, CA1 shared

Recent filings (2)

Costella Kirsch SBIC, LPOct 2025 · 9 co-filers Costella Kirsch SBIC, LPOct 2025 · 9 co-filers Costella Kirsch VII, L.P.Feb 2019 · 5 co-filers$75.0M Costella Kirsch VII, L.P.Feb 2019 · 5 co-filers$75.0M

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