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.

SES AI Corp SEC filings
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.

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)

Other Miscellaneous Electrical Machinery, Equipment & Supplies companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.