{"url_path":"/sec/sldpw/8-k/2026-05-21/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-21","source_url":"https://www.sec.gov/Archives/edgar/data/1844862/0001104659-26-065141-index.html","accession_number":"0001104659-26-065141","cik":"0001844862","ticker":"SLDP","issuer_name":"Solid Power, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1844862/0001104659-26-065141-index.html","primary_entity_key":"0001844862","primary_entity_name":"Solid Power, Inc."},"word_count":336,"has_tables":true,"body_markdown":"false\n0001844862\n\n0001844862\n\n2026-05-20\n2026-05-20\n\n0001844862\n\nus-gaap:CommonStockMember\n\n2026-05-20\n2026-05-20\n\n0001844862\n\nus-gaap:WarrantMember\n\n2026-05-20\n2026-05-20\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\n \n\n \n\n \n\n**UNITED STATES**\n\n**SECURITIES AND EXCHANGE COMMISSION**\n\n**Washington, D.C. 20549**\n\n \n\n**FORM 8-K**\n\n \n\n**CURRENT REPORT**\n\n**Pursuant to Section 13 or 15(d)**\n\n**of the Securities Exchange Act of 1934**\n\n \n\n**Date of report (Date of earliest event reported):\nMay 20, 2026**\n\n \n\n**Solid\nPower, Inc.**\n\n**(Exact Name of Registrant as Specified in Charter)**\n\n \n\n**Delaware**\n \n**001-40284**\n \n**86-1888095**\n\n**(State or other jurisdiction\nof incorporation)**\n \n**(Commission\nFile Number)**\n \n**(I.R.S. Employer\nIdentification Number)**\n\n \n\n**486\nS. Pierce Avenue, Suite E**\n\n**Louisville, Colorado**\n\n \n**80027**\n\n**(Address of principal executive offices)**\n \n**(Zip code)**\n\n \n\n**(303) 219-0720**\n\n**(Registrant’s telephone number, including\narea code)**\n\n \n\n**Not Applicable**\n\n**(Former name or former address, if changed since\nlast report)**\n\n \n\nCheck the appropriate box below if the Form 8-K filing is intended\nto simultaneously satisfy the filing obligation of the Registrant under any of the following provisions:\n\n \n\n¨Written\ncommunications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n¨Soliciting\nmaterial pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n¨Pre-commencement\ncommunications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n¨Pre-commencement\ncommunications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\n \n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n \n\n**Title of each class**\n \n**Trading\nSymbol(s)**\n \n\n**Name of each exchange\non which registered**\n\n**Common stock, par value $0.0001 per share**\n \n**SLDP**\n \n**The Nasdaq Stock Market LLC**\n\n**Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50**\n \n**SLDPW**\n \n**The Nasdaq Stock Market LLC**\n\n \n\nIndicate by check mark whether the registrant is an emerging growth\ncompany as defined in Rule 405 of the Securities Act of 1933 (§ 230.405) or Rule 12b-2 of the Securities Exchange Act\nof 1934 (§ 240.12b-2).\n\n \n\nEmerging growth company ¨\n\n \n\nIf an emerging growth company, indicate\nby check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial\naccounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨"}