Investor · Berkeley, CA

Sam Calisch

Open Sam in the network graph →

Filings

2

SEC Form D

Connections

5

co-filers

Capital

$20.0M

across filings

Active

Aug 2025

to Aug 2025

Most-connected co-filers (5)

Eric Wilhelm · Berkeley, CA2 shared Tucker Gilman · Berkeley, CA2 shared Sarah Sclarsic · San Francisco, CA2 shared Jeff Serra · AUSTIN, TX1 shared Mark Cupta · Cambridge, MA1 shared

Recent filings (2)

Channing Street Copper CoAug 2025 · 9 co-filers$20.0M Channing Street Copper CoAug 2025 · 9 co-filers$20.0M Channing Street Copper CoJul 2024 · 8 co-filers$4.5M Channing Street Copper CoJul 2024 · 8 co-filers$4.5M

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