Solid Power, Inc. SEC filings SLDPW
Solid Power, Inc. has 477 filings in SEC EDGAR's recent list, going back to Feb 12, 2021. Its latest annual report, Form ARS, was filed on Apr 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 30, 2026 | — |
| 3 | Initial insider ownership | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 8, 2026 | — |
| 4/A | Primary document | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 144 | Notice of proposed sale | May 20, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 11, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 4, 2026 | — |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Dec 8, 2025 | Dec 4, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 31, 2025 | — |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 23, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 21, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 22, 2025 | — |
| 144 | Notice of proposed sale | Jul 22, 2025 | — |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 17, 2025 |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 4 | Insider transaction | May 30, 2025 | May 29, 2025 |
| 144 | Notice of proposed sale | May 29, 2025 | — |
| 4 | Insider transaction | May 28, 2025 | May 27, 2025 |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 144 | Notice of proposed sale | May 23, 2025 | — |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 21, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 13, 2025 | May 12, 2025 |
| 4 | Insider transaction | May 13, 2025 | May 12, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 22, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 22, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 22, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 6, 2025 |
| 144 | Notice of proposed sale | Mar 6, 2025 | — |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 144 | Notice of proposed sale | Feb 10, 2025 | — |
| 4 | Insider transaction | Jan 7, 2025 | Jan 6, 2025 |
| 144 | Notice of proposed sale | Jan 6, 2025 | — |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 16, 2024 |
| 144 | Notice of proposed sale | Dec 16, 2024 | — |
| 4 | Insider transaction | Dec 2, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Nov 13, 2024 | Nov 12, 2024 |
| 144 | Notice of proposed sale | Nov 12, 2024 | — |
| 4 | Insider transaction | Oct 8, 2024 | Oct 7, 2024 |
| 144 | Notice of proposed sale | Oct 7, 2024 | — |
| 4 | Insider transaction | Oct 1, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Sep 11, 2024 | Sep 10, 2024 |
| 144 | Notice of proposed sale | Sep 10, 2024 | — |
| 4 | Insider transaction | Aug 30, 2024 | Aug 30, 2024 |
| 4 | Insider transaction | Aug 30, 2024 | Aug 29, 2024 |
| 144 | Notice of proposed sale | Aug 29, 2024 | — |
| 4 | Insider transaction | Aug 20, 2024 | Aug 19, 2024 |
| 144 | Notice of proposed sale | Aug 19, 2024 | — |
| 4 | Insider transaction | Aug 13, 2024 | Aug 9, 2024 |
| 144 | Notice of proposed sale | Aug 9, 2024 | — |
| 4 | Insider transaction | Jul 10, 2024 | Jul 9, 2024 |
| 144 | Notice of proposed sale | Jul 9, 2024 | — |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 3 | Initial insider ownership | Jun 17, 2024 | Jun 17, 2024 |
| 144 | Notice of proposed sale | Jun 14, 2024 | — |
| 4 | Insider transaction | Jun 12, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 21, 2024 |
| 144 | Notice of proposed sale | May 21, 2024 | — |
| 4 | Insider transaction | May 13, 2024 | May 12, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 12, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 12, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 12, 2024 |
| 4 | Insider transaction | Apr 4, 2024 | Apr 3, 2024 |
| 144 | Notice of proposed sale | Apr 3, 2024 | — |
| 4 | Insider transaction | Apr 1, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 18, 2024 |
| 144 | Notice of proposed sale | Mar 18, 2024 | — |
| 4 | Insider transaction | Mar 4, 2024 | Mar 2, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 2, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 2, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 2, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Feb 8, 2024 | Feb 7, 2024 |
| 144 | Notice of proposed sale | Feb 7, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 29, 2024 | — |
| 4 | Insider transaction | Jan 12, 2024 | Jan 11, 2024 |
| 144 | Notice of proposed sale | Jan 11, 2024 | — |
| 144 | Notice of proposed sale | Jan 2, 2024 | — |
| 4 | Insider transaction | Dec 22, 2023 | Dec 22, 2023 |
| 4 | Insider transaction | Dec 6, 2023 | Dec 5, 2023 |
| 144 | Notice of proposed sale | Dec 5, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 4, 2023 | — |
| 4 | Insider transaction | Nov 20, 2023 | Nov 17, 2023 |
| 144 | Notice of proposed sale | Nov 17, 2023 | — |
| 4 | Insider transaction | Jul 7, 2023 | Jul 5, 2023 |
| 4 | Insider transaction | Jul 7, 2023 | Jul 5, 2023 |
| 3 | Initial insider ownership | Jul 7, 2023 | Jul 5, 2023 |
| 3 | Initial insider ownership | Jul 7, 2023 | Jul 5, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 14, 2023 |
| 3 | Initial insider ownership | Jun 14, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 11, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 25, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 25, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 25, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 25, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 25, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 12, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 12, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 12, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 12, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 12, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 11, 2023 |
| 4 | Insider transaction | Mar 14, 2023 | Mar 10, 2023 |
| SC 13G | Ownership over 5% (passive) | Mar 7, 2023 | — |
| 4 | Insider transaction | Mar 3, 2023 | Mar 2, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 2, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 2, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 2, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 2, 2023 |
| SC 13D | Ownership over 5% (active) | Mar 1, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2023 | — |
| 4 | Insider transaction | Feb 7, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 26, 2023 | Jan 25, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 4, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 1, 2022 | — |
| 4 | Insider transaction | Aug 31, 2022 | Aug 29, 2022 |
| 4 | Insider transaction | Aug 31, 2022 | Aug 30, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 29, 2022 | — |
| 4 | Insider transaction | Aug 26, 2022 | Aug 25, 2022 |
| 4 | Insider transaction | Aug 24, 2022 | Aug 23, 2022 |
| 4 | Insider transaction | Aug 23, 2022 | Aug 23, 2022 |
| 4 | Insider transaction | Aug 22, 2022 | Aug 19, 2022 |
| 4 | Insider transaction | Aug 22, 2022 | Aug 18, 2022 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies (SIC 3690)
- Listed as
- SLDP (Nasdaq), SLDPW (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Louisville, CO
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1844862
- Former names
- Decarbonization Plus Acquisition Corp III (until Dec 8, 2021)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.