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 |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2026 | Nov 3, 2026 |
| 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 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 14, 2026 | Sep 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2026 | Aug 4, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 30, 2026 | — |
| 3 | Initial insider ownership | Jul 6, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 2, 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 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 12, 2026 | Jun 12, 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 |
| 8-K |
Current report
Shareholder vote results
|
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 |
| 8-K |
Current report
Regulation FD disclosure
|
May 7, 2026 | May 7, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 24, 2026 | Apr 20, 2026 |
| ARS | Annual report to shareholders | Apr 9, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 9, 2026 | — |
| DEF 14A | Proxy statement | Apr 9, 2026 | May 20, 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 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Mar 6, 2026 | Mar 5, 2026 |
| S-8 | Employee stock plan registration | Feb 25, 2026 | — |
| 10-K | Annual report | Feb 25, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2026 | Feb 24, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 4, 2026 | — |
| 8-K |
Current report
Other events
|
Jan 29, 2026 | Jan 28, 2026 |
| 424B5 | Prospectus supplement | Jan 29, 2026 | — |
| POSASR | Filing | Jan 28, 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 |
| 8-K |
Current report
Officer or director change
|
Nov 21, 2025 | Nov 19, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 6, 2025 | Nov 5, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2025 | Nov 4, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 31, 2025 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 30, 2025 | Oct 27, 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 | — |
| 8-K |
Current report
Other events
|
Sep 5, 2025 | Sep 5, 2025 |
| 424B5 | Prospectus supplement | Sep 5, 2025 | — |
| S-3ASR | Automatic shelf registration | Sep 5, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 21, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 7, 2025 | Aug 7, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 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 |
| 8-K |
Current report
Material agreement
|
May 30, 2025 | May 26, 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 |
| 8-K |
Current report
Shareholder vote results
|
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 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 6, 2025 | May 6, 2025 |
| ARS | Annual report to shareholders | Apr 10, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 10, 2025 | — |
| DEF 14A | Proxy statement | Apr 10, 2025 | May 21, 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 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 19, 2025 | Mar 19, 2025 |
| 8-K |
Current report
Auditor change
|
Mar 12, 2025 | Mar 7, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 6, 2025 |
| 144 | Notice of proposed sale | Mar 6, 2025 | — |
| S-8 | Employee stock plan registration | Feb 28, 2025 | — |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 144 | Notice of proposed sale | Feb 10, 2025 | — |
| 8-K |
Current report
Material agreement
|
Jan 24, 2025 | Jan 21, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 13, 2025 | Jan 13, 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 |
| 8-K |
Current report
Material agreement
|
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 | — |
| 10-Q | Quarterly report | Nov 8, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 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 |
| 8-K |
Current report
Material agreement
|
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 | — |
| 8-K |
Current report
Material agreement
|
Aug 21, 2024 | Aug 20, 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 | — |
| 10-Q | Quarterly report | Aug 7, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2024 | Aug 6, 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 |
| 8-K |
Current report
Material agreement
|
Jun 24, 2024 | Jun 21, 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 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 17, 2024 | Jun 14, 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 |
| 8-K |
Current report
Shareholder vote results
|
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 |
| 8-K |
Current report
Regulation FD disclosure
|
May 9, 2024 | May 7, 2024 |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| ARS | Annual report to shareholders | Apr 11, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 11, 2024 | — |
| DEF 14A | Proxy statement | Apr 11, 2024 | May 22, 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 |
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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.