Group14 Technologies Closes $463 Million Series D and Acquisition of BAM Factory

Seattle – August 20, 2025 – Cooley advised Group14 Technologies, a global leader in advanced silicon battery materials, on the close of its $463 million Series D financing. The round was led by SK, Inc., with strong participation from other existing investors, including Porsche Investments, ATL, OMERS, Decarbonization Partners, Lightrock Climate Impact Fund and Microsoft Climate Innovation Fund, among others.

In addition, Group14 obtained full ownership of its joint venture with SK, Inc., located in Sangju, South Korea. Formed in 2021, the joint venture’s battery active materials (BAM) factory produces Group14’s flagship technology, SCC55, at EV scale to support the global battery manufacturing industry.

Lawyers Alan Hambelton, Phoebe Huang, Millie Heuer, Sharon Connaughton, Sarah Oliai, Kevin King, Lucy Bauer, Christopher Kimball and John Sellers led the Cooley team advising Group14.

Cooley has advised Group14 since its formation, including on its $614 million Series C financing in 2022.

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