Form D · Other Technology

Channing Street Copper Co

Berkeley, CA · CIK 0001993644

Offering snapshot reported Jul 30, 2026 · SEC filing

Reported sold: $9.83M
Investors reported: 8
Minimum accepted: $0
First sale: Jul 15, 2026

Fundraising history

Reported sold

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

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Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Jul 30, 2026	Amendment	$9,832,552	$0vs Jul 30, 2026	8	SEC filing
Jul 30, 2026	Initial	$9,832,552	No comparison	8	SEC filing
Aug 29, 2025	Initial	$20,029,952	No comparison	8	SEC filing
Jul 16, 2024	Initial	$4,150,000	No comparison	7	SEC filing
Sep 15, 2023	Initial	$6,864,931	No comparison	24	SEC filing

Offering details

Securities: Other
Exemptions: 06b
Duration over one year: No
Business combination: No

Sales commissions: $0
Finders' fees: $0
Form D file number: 021-592546

Simple Agreements for Future Equity

Source: Form D, filed Jul 30, 2026. Minimum accepted may differ from a standard advertised minimum.

Fund connections

No confirmed ADV fund connection is available for this issuer.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
Name	Reported role
Samuel Calisch	Executive
Sam Calisch	Executive
Mark Cupta	Director
Tucker Gilman	Executive
Sarah Sclarsic	Director
Eric Wilhelm	Executive

Issuer details

Industry: Other Technology (See others in industry)

Address:

2827 Seventh Street
Berkeley, CA, 94710