Origin Materials, Inc., together with its subsidiaries, operates as a carbon-negative materials company. The company develops a proprietary biomass conversion platform to convert biomass, or plant-based carbon into building block chemicals chloromethylfurfural and hydrothermal carbon, as well as other oils and extractives and other co-products. The company was formerly known as Micromidas, Inc. and changed its name to Origin Materials, Inc. in June 2021.