Funding · Company

Mariana Minerals Co.

San Francisco, CAEnergy & Climate

Mariana Minerals Co. of San Francisco, CA has disclosed $74M across 1 Form D offering filed with the SEC on Apr 7, 2026.

$74M

Total disclosed

Form D offering

Open roles today

Hiring — 63 open roles as of Aug 8, 2026

Mostly Plant & Process Engineering (17), Copper One (12), Process Development (9). Based in San Francisco HQ, Moab, UT, Houston, TX. Counted from the company's own public job board.

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Offerings on file

Each amount is as reported on that filing, cumulative across its own amendments. Newest first.

$74M

Form D · Apr 7, 2026 ↗

Q2 2026 · target $76M

Filing details

HeadquartersSan Francisco, CAIndustryEnergy & Climate (Other Energy)Incorporated2024SEC CIK0002123886Offerings on file1

Links

All SEC filings for this company ↗ marianaminerals.com ↗ Startups in San Francisco → More energy & climate raises →

Source: SEC Form D structured data. Amounts are self-reported by the issuer on a notice filing — not audited, and cumulative across amendments. The website link is resolved automatically and may be wrong — tell us if it is. Full methodology →