Welcome to our dedicated page for Solid Pwr SEC filings (Ticker: SLDP), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Solid Power, Inc. filings document the company's solid-state battery business, securities structure, governance, and material corporate events. Its disclosures include operating and financial results, Regulation FD investor presentations, and updates tied to electrolyte development, pilot manufacturing activity, and commercial arrangements.
SEC filings also cover material agreements involving Solid Power Operating, Inc., including assistance-agreement disclosures with the U.S. Department of Energy, proxy materials for annual stockholder voting, board and executive-compensation matters, risk factors, and capital-structure information. The company's registered securities include Nasdaq-listed common stock under SLDP and warrants under SLDPW.
Solid Power, Inc. (SLDP) reporting person Joshua Buettner-Garrett, the company's Chief Technology Officer, disclosed a non-derivative disposition on 09/30/2025 where 14,284 shares of common stock were removed from his holdings at a price of $3.52 per share. The filing explains these shares were withheld to satisfy tax obligations upon RSU vesting. After the withholding, Mr. Buettner-Garrett beneficially owns 1,308,493 shares directly. The Form 4 was signed on behalf of the reporting person by an attorney-in-fact on 10/01/2025. The transaction is presented as routine compensation-related withholding rather than an active market sale.
Amendment No. 2 to a Schedule 13D for Solid Power, Inc. (Common Stock) reports changes in beneficial ownership by reporting persons David M. Leuschen and Pierre F. Lapeyre, Jr. as of September 23, 2025. The filing states that on September 19, 2025, REL and REL US sold a combined 7,235,803 shares in the open market at $3.58 per share. REL originally received 4,798,303 shares in the business combination and purchased 2,000,000 shares at $10.00 per share in a PIPE. As of the filing, Mr. Leuschen beneficially owns 6,704,303 shares (3.62%) and Mr. Lapeyre beneficially owns 9,010,694 shares (4.81%). The filing notes that on September 19, 2025, both reporting persons ceased to beneficially own more than 5% of the Common Stock.
Amendment No. 2 to a Schedule 13D for Solid Power, Inc. (Common Stock) reports changes in beneficial ownership by reporting persons David M. Leuschen and Pierre F. Lapeyre, Jr. as of September 23, 2025. The filing states that on September 19, 2025, REL and REL US sold a combined 7,235,803 shares in the open market at $3.58 per share. REL originally received 4,798,303 shares in the business combination and purchased 2,000,000 shares at $10.00 per share in a PIPE. As of the filing, Mr. Leuschen beneficially owns 6,704,303 shares (3.62%) and Mr. Lapeyre beneficially owns 9,010,694 shares (4.81%). The filing notes that on September 19, 2025, both reporting persons ceased to beneficially own more than 5% of the Common Stock.
Amendment No. 2 to a Schedule 13D for Solid Power, Inc. (Common Stock) reports changes in beneficial ownership by reporting persons David M. Leuschen and Pierre F. Lapeyre, Jr. as of September 23, 2025. The filing states that on September 19, 2025, REL and REL US sold a combined 7,235,803 shares in the open market at $3.58 per share. REL originally received 4,798,303 shares in the business combination and purchased 2,000,000 shares at $10.00 per share in a PIPE. As of the filing, Mr. Leuschen beneficially owns 6,704,303 shares (3.62%) and Mr. Lapeyre beneficially owns 9,010,694 shares (4.81%). The filing notes that on September 19, 2025, both reporting persons ceased to beneficially own more than 5% of the Common Stock.