Trades on 2 secondary markets

Brimstone

Brimstone is a materials technology company decarbonizing heavy industry through a single-rock co-production process it calls the Rock Refinery. From ordinary calcium silicate rock it extracts multiple high-value materials at once - carbon-negative Portland cement and supplementary cementitious mate

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CompanyClimate TechMaterialsCementDecarbonizationCritical Minerals

Brimstone is an API provider whose private shares are listed on 2 secondary markets: Forge Global, Hiive.

Where It Trades

F Forge Global View listing → H Hiive View listing →

Listing data is compiled from the public marketplace pages of Forge Global, Hiive, EquityZen, Nasdaq Private Market, and Augment. A listing indicates that a venue has published a page for this company — it is not an offer, a quote, or investment advice, and APIs.io has no affiliation with any venue.