Cuprum Metals
Naples, US · Founded 2024 · Delaware corporation · 4 known investors
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Cuprum Metals develops a patented leaching technology for extracting copper and nickel from copper sulfide ores and tailings, achieving high recovery yields in minutes at room temperature. The process is aimed at mining operators and can be integrated into existing heap, vat, or agitation leaching systems with lower water and energy use.
Founders & leadership

Investors · 4
How we know: superbcrew.com · Not right? Tell us
Also in the syndicate · 3
Reported raises · per SEC filings
Form D private placements$22.1M disclosed across 2 rounds · 2025–2026
▶$19.4MraisedAug 2026 · 4 investors · Other EnergyRule 506(b)
- Roger PettmanExecutive Officer, Director
- Offering amount
- $19.4M
- Amount sold
- $19.4M
- Sales commissions
- $640K
- Placement agents
- Erik Napp
- First sale
- Jun 2026
- Incorporated
- Corporation, Delaware, 2024
- Federal exemptions
- 06b
▶$2.8MraisedFeb 2025 · 2 investors · OtherRule 506(b)
- Roger PettmanExecutive Officer, Director
- Offering amount
- $2.8M
- Amount sold
- $2.8M
- First sale
- Jan 2025
- Incorporated
- Corporation, Delaware, 2024
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Cuprum Metals do?
- Cuprum Metals develops a patented leaching technology for extracting copper and nickel from copper sulfide ores and tailings, achieving high recovery yields in minutes at room temperature. The process is aimed at mining operators and can be integrated into existing heap, vat, or agitation leaching systems with lower water and energy use.
- Who are Cuprum Metals's investors?
- Cuprum Metals's investors include BHP Ventures.
- How much funding has Cuprum Metals raised?
- Cuprum Metals has disclosed $22.1M raised across 2 rounds.
- Where is Cuprum Metals headquartered?
- Cuprum Metals is headquartered in Naples, US.
