Who founded Channing Street Copper Co?

Channing Street Copper Co was founded by Samuel Calisch in 2022.

Who are Channing Street Copper Co's investors?

Channing Street Copper Co's investors include Prelude Ventures, Voyager Partners.

How much funding has Channing Street Copper Co raised?

Channing Street Copper Co has disclosed $40.9M raised across 4 rounds.

Where is Channing Street Copper Co headquartered?

Channing Street Copper Co is headquartered in Berkeley, US.

Channing Street Copper Co

Berkeley, US · Founded 2022 · Incorporated in Delaware · 2 known investors

Founders & leadership

Channing Street Copper Co was founded in 2022 by Samuel Calisch.

Samuel CalischFounder

Tucker GilmanExecutive

Board

Sarah Sclarsic in 𝕏Board directorFounder + Managing Partner at Voyager Partners

Mark Cupta inBoard directorManaging Director at Prelude Ventures

Eric WilhelmBoard director

Investors · 2

Prelude VenturesreportedSan Francisco · $100K – $5Mvia Mark Cupta · board

Voyager PartnersreportedSan Francisco · $500K – $5Mvia Sarah Sclarsic · board

Reported raises · per SEC filings

Form D private placements

$40.9M disclosed across 4 rounds · 2023–2026

▶$9.8MraisedJul 2026 · 8 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

Sam CalischExecutive Officer, Director
Tucker GilmanExecutive Officer
Eric WilhelmExecutive Officer, Director
Sarah SclarsicDirector
Mark CuptaDirector

Offering amount: $9.8M
Amount sold: $9.8M
First sale: Jul 2026
Incorporated: Other, Delaware, 2022
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

▶$20MraisedAug 2025 · 8 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

Mark CuptaDirector
Sam CalischExecutive Officer, Director
Sarah SclarsicDirector
Eric WilhelmExecutive Officer, Director
Tucker GilmanExecutive Officer

Offering amount: $20M
Amount sold: $20M
First sale: Aug 2025
Incorporated: Other, Delaware, 2022
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

▶$4.2MraisedJul 2024 · 7 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

Samuel CalischExecutive Officer
Tucker GilmanExecutive Officer, Director
Eric WilhelmDirector
Sarah SclarsicDirector

Offering amount: $4.5M
Amount sold: $4.2M
First sale: Jul 2024
Incorporated: Corporation, Delaware, 2022
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

▶$6.9MraisedSep 2023 · 24 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

Eric WilhelmExecutive Officer, Director

Offering amount: $7.2M
Amount sold: $6.9M
First sale: Sep 2023
Incorporated: Corporation, Delaware, 2022
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Frequently asked questions

Who founded Channing Street Copper Co?: Channing Street Copper Co was founded by Samuel Calisch in 2022.
Who are Channing Street Copper Co's investors?: Channing Street Copper Co's investors include Prelude Ventures, Voyager Partners.
How much funding has Channing Street Copper Co raised?: Channing Street Copper Co has disclosed $40.9M raised across 4 rounds.
Where is Channing Street Copper Co headquartered?: Channing Street Copper Co is headquartered in Berkeley, US.