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Solid Power, Inc. filed a Form S-3 shelf registration prospectus dated September 5, 2025 to register offers of its common stock (Nasdaq: SLDP) and references its public warrants (Nasdaq: SLDPW). The prospectus states the last reported sale price for SLDP was $3.93 per share on September 4, 2025. The company describes its core business as developing a sulfide-based solid electrolyte for solid-state batteries targeted primarily at the battery electric vehicle market.
The filing discloses corporate background and governance terms: Solid Power was incorporated in Delaware in January 2021 (originally as Decarbonization Plus Acquisition Corporation III), changed its name following a business combination in December 2021, and maintains principal offices in Louisville, Colorado. The registration materials summarize authorized capital stock of 2,200,000,000 shares (2,000,000,000 common; 200,000,000 preferred) and enumerate corporate governance provisions, Nasdaq listing symbols, indemnification, and anti-takeover features. The prospectus also highlights that the company is an R&D-stage business with ongoing financial losses and identifies numerous forward-looking risks regarding commercialization, partnerships, facilities expansion, and funding.
Amendment No. 1 to Schedule 13D for Solid Power, Inc. David M. Leuschen and Pierre F. Lapeyre, Jr., both senior managing directors of Riverstone Holdings LLC, updated their disclosures for Solid Power common stock and related warrants. As of August 21, 2025 Mr. Leuschen reports beneficial ownership of 13,502,606 shares (7.29%) and Mr. Lapeyre reports 15,808,997 shares (8.44%), with certain amounts reflecting presently exercisable Private Placement Warrants. The filing restates sources of securities held by Sponsor, Riverstone SP and REL, describes prior distributions and sales of warrants and shares, and notes a Lapeyre transfer of 2,044,171 Private Placement Warrants on August 19, 2025. The amendment also discloses that Riverstone Energy has proposed a managed wind-down of its portfolio and intends to realize public assets, including REL's holdings, within three months after its shareholder meeting on August 22, 2025.