SES AI Corp SEC filings SESCW
SES AI Corp has 489 filings in SEC EDGAR's recent list, going back to Aug 7, 2020. Its latest annual report, Form ARS, was filed on Oct 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 14, 2026 (listing notice). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| ARS | Annual report to shareholders | Oct 27, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Oct 27, 2026 | — |
| DEF 14A | Proxy statement | Oct 27, 2026 | Dec 10, 2026 |
| PRE 14A | Preliminary proxy statement | Oct 16, 2026 | Dec 10, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 5, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 25-NSE | Delisting notice | Aug 31, 2026 | — |
| 8-K |
Current report
Listing notice
|
Aug 14, 2026 | Aug 13, 2026 |
| 3 | Initial insider ownership | Aug 13, 2026 | Aug 6, 2026 |
| 10-Q | Quarterly report | Aug 11, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Aug 11, 2026 | Aug 6, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 30, 2026 | — |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Jul 20, 2026 | Jul 17, 2026 |
| 144 | Notice of proposed sale | Jun 15, 2026 | — |
| 144 | Notice of proposed sale | Jun 8, 2026 | — |
| 144 | Notice of proposed sale | Jun 4, 2026 | — |
| 144 | Notice of proposed sale | Jun 2, 2026 | — |
| 4 | Insider transaction | May 27, 2026 | May 22, 2026 |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| 144 | Notice of proposed sale | May 22, 2026 | — |
| 4 | Insider transaction | May 20, 2026 | May 18, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 18, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 18, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 18, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 18, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 18, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 18, 2026 |
| 3 | Initial insider ownership | May 6, 2026 | Apr 27, 2026 |
| EFFECT | Filing | May 5, 2026 | — |
| CORRESP | Letter to the SEC | May 1, 2026 | — |
| UPLOAD | Letter from the SEC | May 1, 2026 | — |
| 10-K/A | Amended annual report | Apr 30, 2026 | Dec 31, 2025 |
| S-3 | Shelf registration | Apr 24, 2026 | — |
| 10-Q | Quarterly report | Apr 24, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Apr 23, 2026 | Apr 23, 2026 |
| 4 | Insider transaction | Apr 16, 2026 | Apr 16, 2026 |
| 4 | Insider transaction | Apr 16, 2026 | Apr 14, 2026 |
| 4 | Insider transaction | Apr 16, 2026 | Apr 14, 2026 |
| 4 | Insider transaction | Apr 16, 2026 | Apr 14, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 1, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 27, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 27, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 27, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 27, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 27, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 144 | Notice of proposed sale | Mar 9, 2026 | — |
| 10-K | Annual report | Mar 4, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Jan 23, 2026 | Jan 22, 2026 |
| 144 | Notice of proposed sale | Jan 22, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 16, 2026 | Jan 16, 2026 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| 144 | Notice of proposed sale | Nov 17, 2025 | — |
| 10-Q | Quarterly report | Nov 12, 2025 | Sep 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 10, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Nov 7, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Sep 10, 2025 | Sep 8, 2025 |
| DEF 14A | Proxy statement | Sep 9, 2025 | Oct 1, 2025 |
| ARS | Annual report to shareholders | Sep 9, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 3, 2025 |
| 3 | Initial insider ownership | Sep 4, 2025 | Sep 2, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 3, 2025 | Aug 27, 2025 |
| 8-K |
Current report
Other events
|
Sep 2, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Aug 18, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 11, 2025 | Aug 8, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2025 | Aug 4, 2025 |
| 8-K |
Current report
Other events
|
Aug 4, 2025 | Aug 4, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure
|
Jul 28, 2025 | Jul 25, 2025 |
| 4 | Insider transaction | Jul 18, 2025 | Jul 16, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 16, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 16, 2025 |
| 10-Q | Quarterly report | Apr 30, 2025 | Mar 31, 2025 |
| 10-K/A | Amended annual report | Apr 30, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 24, 2025 | Apr 24, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 17, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 17, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 17, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 17, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 17, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 8, 2025 | Apr 8, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 28, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 17, 2025 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Mar 12, 2025 | Mar 7, 2025 |
| S-8 | Employee stock plan registration | Feb 28, 2025 | — |
| 424B5 | Prospectus supplement | Feb 28, 2025 | — |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2025 | Feb 25, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 17, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 2025 |
| 144/A | Filing | Feb 11, 2025 | — |
| 144/A | Filing | Feb 11, 2025 | — |
| 144/A | Filing | Feb 11, 2025 | — |
| 144/A | Filing | Feb 11, 2025 | — |
| 144/A | Filing | Feb 11, 2025 | — |
| 144/A | Filing | Feb 11, 2025 | — |
| 144 | Notice of proposed sale | Feb 6, 2025 | — |
| 144 | Notice of proposed sale | Feb 6, 2025 | — |
| 144 | Notice of proposed sale | Feb 6, 2025 | — |
| 144 | Notice of proposed sale | Feb 6, 2025 | — |
| 144 | Notice of proposed sale | Feb 6, 2025 | — |
| 144 | Notice of proposed sale | Feb 6, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 4, 2025 | Feb 3, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 31, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Jan 17, 2025 | Jan 16, 2025 |
| 144 | Notice of proposed sale | Jan 16, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 14, 2025 | — |
| 4 | Insider transaction | Dec 27, 2024 | Dec 26, 2024 |
| 144 | Notice of proposed sale | Dec 26, 2024 | — |
| 4 | Insider transaction | Dec 19, 2024 | Dec 17, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Dec 11, 2024 | Dec 9, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 18, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 19, 2024 | — |
| 4 | Insider transaction | Nov 19, 2024 | Nov 15, 2024 |
| 144 | Notice of proposed sale | Nov 15, 2024 | — |
| 4 | Insider transaction | Nov 15, 2024 | Nov 13, 2024 |
| 4 | Insider transaction | Nov 13, 2024 | Nov 11, 2024 |
| 4 | Insider transaction | Nov 12, 2024 | Nov 7, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 5, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 5, 2024 | Nov 1, 2024 |
| 4 | Insider transaction | Nov 5, 2024 | Nov 1, 2024 |
| 4 | Insider transaction | Nov 1, 2024 | Oct 30, 2024 |
| 10-Q | Quarterly report | Nov 1, 2024 | Sep 30, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 31, 2024 | — |
| 8-K |
Current report
Agreement ended, Results of operations, Officer or director change
|
Oct 31, 2024 | Oct 29, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 30, 2024 | — |
| 4 | Insider transaction | Oct 30, 2024 | Oct 28, 2024 |
| 4 | Insider transaction | Oct 28, 2024 | Oct 24, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 25, 2024 | — |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 22, 2024 | Oct 18, 2024 |
| 4 | Insider transaction | Oct 18, 2024 | Oct 16, 2024 |
| 3 | Initial insider ownership | Oct 17, 2024 | Oct 17, 2024 |
| 4 | Insider transaction | Oct 17, 2024 | Oct 16, 2024 |
| 4 | Insider transaction | Oct 16, 2024 | Oct 14, 2024 |
| 4 | Insider transaction | Oct 15, 2024 | Oct 10, 2024 |
| 4 | Insider transaction | Oct 10, 2024 | Oct 8, 2024 |
| 4 | Insider transaction | Oct 8, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 2, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Sep 27, 2024 | Sep 26, 2024 |
| 4 | Insider transaction | Sep 23, 2024 | Sep 19, 2024 |
| 4 | Insider transaction | Sep 19, 2024 | Sep 17, 2024 |
| 4 | Insider transaction | Sep 18, 2024 | Sep 16, 2024 |
| 4 | Insider transaction | Sep 17, 2024 | Sep 13, 2024 |
| 144 | Notice of proposed sale | Sep 16, 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 |
| 4 | Insider transaction | Aug 13, 2024 | Aug 12, 2024 |
| 144 | Notice of proposed sale | Aug 12, 2024 | — |
| 10-Q | Quarterly report | Jul 30, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2024 | Jul 29, 2024 |
| 4 | Insider transaction | Jul 18, 2024 | Jul 16, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 16, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2024 | Jun 7, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 3, 2024 |
| 144 | Notice of proposed sale | Jun 3, 2024 | — |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 8, 2024 |
| 10-Q | Quarterly report | May 3, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| ARS | Annual report to shareholders | Apr 23, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 23, 2024 | — |
| DEF 14A | Proxy statement | Apr 23, 2024 | Jun 7, 2024 |
| 4 | Insider transaction | Apr 22, 2024 | Apr 18, 2024 |
| 4 | Insider transaction | Apr 22, 2024 | Apr 18, 2024 |
| 4 | Insider transaction | Apr 22, 2024 | Apr 18, 2024 |
| 4 | Insider transaction | Apr 22, 2024 | Apr 18, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 15, 2024 |
| 4/A | Filing | Apr 17, 2024 | Feb 16, 2024 |
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
- SES (NYSE), SESCW (OTC)
- Fiscal year ends
- December 31
- Headquarters
- Woburn, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1819142
- Former names
- SES AI Corp (until Oct 27, 2026); Ivanhoe Capital Acquisition Corp. (until Feb 4, 2022)
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All 55 Miscellaneous Electrical Machinery, Equipment & Supplies companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.