Brimstone
Oakland, US · 13 known investors
Brimstone develops co-production processes to manufacture cement, steel, aluminum, and other critical minerals from a single feedstock in an integrated facility. The company targets heavy industry producers seeking lower-cost, more sustainable production methods for materials essential to construction and manufacturing.
Advanced ManufacturingCircular EconomyCleantechConstruction TechNew Materialsin /brimstoneenergy@WixStudio
Founders & leadership
CF
Cody FinkeCEO
HL
Hugo Leandri
Investors · 13
Accelr8Bostonvia Louis Kang · inferred
Collaborative FundNew York · $500K – $1M
Collaborative Fund (Collab Fund)New York
Creative Destruction Lab (CDL)Toronto · $50K – $250K
DCVC (Data Collective)Palo Alto · $5M – $25M
Fifth WallLos Angeles · $250K – $100M
GVP ClimateNew York
OUP (Osage University Partners)Bala Cynwyd · $1M – $20M
S2G InvestmentsChicago
S2G VenturesChicago · $1M – $5M
Systemiq CapitalLondon
Osage University Partnersreported$1M – $20M
SYSTEMIQreportedJakarta
Reported raises · per SEC filings
Form D private placements▶$55MraisedMar 2022 · 13 investors · ConstructionRule 506(b)
Officers, directors & promoters on the filing
- Cody FinkeExecutive Officer, Director
- Hugo LeandriExecutive Officer, Director
- Offering amount
- $55M
- Amount sold
- $55M
- Minimum investment
- $200K
- Proceeds to insiders
- $200K
- First sale
- Mar 2022
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
- Century Aluminum (CENX) Following Brimstone Deal Faces A Fresh Valuation Test - Simply Wall St Newssimplywall.st · 2026
- Climate tech startup Brimstone advancing after losing DOE funding - Fast Companyfastcompany.com · 2025
- Brimstone Raises $55M Series A to Build Pilot Plant, Grow Team — Activateactivate.org · 2022
- How we make cement isn't set in stone: Brimstone raises $55M in huge pre-revenue roundtherealdeal.com · 2022
