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 |
| 25-NSE | Delisting notice | Aug 31, 2026 | — |
| 8-K |
Current report
Listing notice
|
Aug 14, 2026 | Aug 13, 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 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Jul 20, 2026 | Jul 17, 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 |
| 8-K |
Current report
Results of operations
|
Apr 1, 2026 | Apr 1, 2026 |
| 10-K | Annual report | Mar 4, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2026 | Mar 4, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 16, 2026 | Jan 16, 2026 |
| 10-Q | Quarterly report | Nov 12, 2025 | Sep 30, 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 |
| DEF 14A | Proxy statement | Sep 9, 2025 | Oct 1, 2025 |
| ARS | Annual report to shareholders | Sep 9, 2025 | Dec 31, 2024 |
| 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 |
| 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 |
| 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 |
| 8-K |
Current report
Results of operations
|
Apr 8, 2025 | Apr 8, 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 |
| 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 |
| 8-K |
Current report
Officer or director change
|
Nov 5, 2024 | Nov 1, 2024 |
| 10-Q | Quarterly report | Nov 1, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Agreement ended, Results of operations, Officer or director change
|
Oct 31, 2024 | Oct 29, 2024 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Sep 27, 2024 | Sep 26, 2024 |
| 10-Q | Quarterly report | Jul 30, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2024 | Jul 29, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2024 | Jun 7, 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 |
| 10-K | Annual report | Feb 27, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2024 | Feb 26, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 29, 2024 | Jan 26, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 26, 2024 | Jan 22, 2024 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 6, 2023 | Oct 31, 2023 |
| 8-K |
Current report
Officer or director change
|
Sep 22, 2023 | Sep 19, 2023 |
| 8-K |
Current report
Officer or director change
|
Aug 18, 2023 | Aug 16, 2023 |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Auditor change
|
Jun 16, 2023 | Jun 12, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2023 | Jun 8, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 8, 2023 | May 8, 2023 |
| 8-K |
Current report
Other events
|
May 1, 2023 | May 1, 2023 |
| EFFECT | Filing | Apr 28, 2023 | — |
| 424B3 | Prospectus | Apr 28, 2023 | — |
| CORRESP | Letter to the SEC | Apr 26, 2023 | — |
| UPLOAD | Letter from the SEC | Apr 26, 2023 | — |
| 8-K |
Current report
Other events
|
Apr 26, 2023 | Apr 26, 2023 |
| S-3 | Shelf registration | Apr 25, 2023 | — |
| RW | Filing | Apr 25, 2023 | — |
| S-3ASR | Automatic shelf registration | Apr 24, 2023 | — |
| ARS | Annual report to shareholders | Apr 21, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 21, 2023 | — |
| DEF 14A | Proxy statement | Apr 21, 2023 | — |
| 8-K | Current report | Mar 17, 2023 | Mar 15, 2023 |
| 424B3 | Prospectus | Mar 17, 2023 | — |
| 10-K | Annual report | Mar 16, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2023 | Mar 14, 2023 |
| 424B3 | Prospectus | Mar 1, 2023 | — |
| 8-K |
Current report
Results of operations
|
Mar 1, 2023 | Mar 1, 2023 |
| NT 10-K | Filing | Mar 1, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Other events
|
Jan 27, 2023 | Jan 27, 2023 |
| 424B3 | Prospectus | Nov 14, 2022 | — |
| 10-Q | Quarterly report | Nov 14, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2022 | Nov 9, 2022 |
| 424B3 | Prospectus | Aug 12, 2022 | — |
| 10-Q | Quarterly report | Aug 12, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2022 | Aug 9, 2022 |
| 424B3 | Prospectus | Jul 27, 2022 | — |
| 424B3 | Prospectus | May 16, 2022 | — |
| 10-Q | Quarterly report | May 13, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 12, 2022 | May 12, 2022 |
| EFFECT | Filing | Apr 27, 2022 | — |
| 424B3 | Prospectus | Apr 27, 2022 | — |
| CORRESP | Letter to the SEC | Apr 25, 2022 | — |
| 8-K |
Current report
Auditor change
|
Apr 18, 2022 | Apr 15, 2022 |
| S-8 | Employee stock plan registration | Apr 14, 2022 | — |
| CORRESP | Letter to the SEC | Apr 12, 2022 | — |
| S-1/A | Amended registration statement | Apr 12, 2022 | — |
| UPLOAD | Letter from the SEC | Apr 5, 2022 | — |
| 8-K12B/A | Filing | Mar 31, 2022 | Feb 2, 2022 |
| 10-K | Annual report | Mar 31, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Restatement
|
Mar 31, 2022 | Mar 28, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 30, 2022 | Mar 24, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 15, 2022 | Mar 15, 2022 |
| UPLOAD | Letter from the SEC | Feb 23, 2022 | — |
| S-1 | Registration statement | Feb 14, 2022 | — |
| 8-K12B | Filing | Feb 8, 2022 | Feb 2, 2022 |
| EFFECT | Filing | Feb 4, 2022 | — |
| 25-NSE | Delisting notice | Feb 4, 2022 | — |
| POS AM | Filing | Feb 3, 2022 | — |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure, Other events
|
Feb 1, 2022 | Feb 1, 2022 |
| 425 | Filing | Feb 1, 2022 | — |
| 425 | Filing | Jan 28, 2022 | — |
| 425 | Filing | Jan 27, 2022 | — |
| 425 | Filing | Jan 27, 2022 | — |
| 8-K |
Current report
Other events
|
Jan 24, 2022 | Jan 24, 2022 |
| 425 | Filing | Jan 19, 2022 | — |
| 425 | Filing | Jan 14, 2022 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 14, 2022 | Jan 14, 2022 |
| 425 | Filing | Jan 10, 2022 | — |
| EFFECT | Filing | Jan 7, 2022 | — |
| 424B3 | Prospectus | Jan 7, 2022 | — |
| CORRESP | Letter to the SEC | Jan 5, 2022 | — |
| S-4/A | Filing | Jan 5, 2022 | — |
| S-4/A | Filing | Jan 3, 2022 | — |
| CORRESP | Letter to the SEC | Dec 21, 2021 | — |
| S-4/A | Filing | Dec 21, 2021 | — |
| 10-Q/A | Amended quarterly report | Dec 21, 2021 | Sep 30, 2021 |
| 8-K/A |
Amended current report
Other events
|
Dec 21, 2021 | Jan 11, 2021 |
| 10-Q/A | Amended quarterly report | Nov 30, 2021 | Sep 30, 2021 |
| 425 | Filing | Nov 30, 2021 | — |
| 425 | Filing | Nov 26, 2021 | — |
| 8-K |
Current report
Restatement
|
Nov 26, 2021 | Nov 24, 2021 |
| CORRESP | Letter to the SEC | Nov 16, 2021 | — |
| S-4/A | Form s-4/a | Nov 16, 2021 | — |
| 10-Q | Quarterly report | Nov 15, 2021 | Sep 30, 2021 |
| 425 | Filing | Nov 12, 2021 | — |
| 425 | Filing | Nov 10, 2021 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 10, 2021 | Nov 9, 2021 |
| 425 | Filing | Nov 8, 2021 | — |
| UPLOAD | Letter from the SEC | Nov 5, 2021 | — |
| 425 | Filing | Nov 4, 2021 | — |
| 425 | Filing | Nov 4, 2021 | — |
| 425 | Filing | Oct 26, 2021 | — |
| CORRESP | Letter to the SEC | Oct 22, 2021 | — |
| S-4/A | Filing | Oct 22, 2021 | — |
| 425 | Filing | Oct 22, 2021 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Oct 22, 2021 | Oct 22, 2021 |
| 425 | Filing | Oct 18, 2021 | — |
| 425 | Filing | Oct 15, 2021 | — |
| 425 | Filing | Oct 13, 2021 | — |
| UPLOAD | Letter from the SEC | Oct 8, 2021 | — |
| 425 | Filing | Oct 7, 2021 | — |
| 425 | Filing | Oct 7, 2021 | — |
| S-4/A | Form s-4/a | Sep 22, 2021 | — |
| CORRESP | Letter to the SEC | Sep 21, 2021 | — |
| DEFA14A | Additional proxy material | Sep 21, 2021 | — |
| 425 | Filing | Sep 21, 2021 | — |
| 8-K |
Current report
Material agreement
|
Sep 21, 2021 | Sep 20, 2021 |
| 425 | Filing | Sep 20, 2021 | — |
| 425 | Filing | Sep 16, 2021 | — |
| 425 | Filing | Sep 16, 2021 | — |
| UPLOAD | Letter from the SEC | Sep 8, 2021 | — |
| 425 | Filing | Sep 1, 2021 | — |
| 425 | Filing | Aug 24, 2021 | — |
| 425 | Filing | Aug 23, 2021 | — |
| 10-Q | Quarterly report | Aug 23, 2021 | Jun 30, 2021 |
| NT 10-Q | Filing | Aug 16, 2021 | Jun 30, 2021 |
| S-4 | Registration for a merger or exchange | Aug 10, 2021 | — |
| 425 | Filing | Jul 30, 2021 | — |
| 425 | Filing | Jul 15, 2021 | — |
| 425 | Filing | Jul 13, 2021 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Jul 13, 2021 | Jul 12, 2021 |
| DEFA14A | Additional proxy material | Jul 13, 2021 | — |
| 10-Q | Quarterly report | Jun 14, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Listing notice
|
Jun 1, 2021 | May 25, 2021 |
| NT 10-Q | Filing | May 18, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Apr 14, 2021 | Apr 9, 2021 |
| 10-K | Annual report | Mar 31, 2021 | Dec 31, 2020 |
| 8-A12B/A | Form 8-a12b/a | Feb 26, 2021 | — |
| 8-K |
Current report
Other events
|
Feb 23, 2021 | Feb 23, 2021 |
| 8-K |
Current report
Other events
|
Jan 15, 2021 | Jan 11, 2021 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Other events
|
Jan 11, 2021 | Jan 6, 2021 |
| 424B4 | Prospectus | Jan 8, 2021 | — |
| EFFECT | Filing | Jan 6, 2021 | — |
| S-1MEF | Filing | Jan 6, 2021 | — |
| CERT | Nyse certification | Jan 5, 2021 | — |
| 8-A12B | Form 8-a12b | Jan 5, 2021 | — |
| S-1/A | Amended registration statement | Dec 30, 2020 | — |
| S-1 | Registration statement | Dec 18, 2020 | — |
| DRS/A | Filing | Oct 9, 2020 | — |
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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Source: SEC EDGAR filings. This is company-reported data, not investment advice.