Expion Energy, Inc. SEC filings XPON

Expion Energy, Inc. has 249 filings in SEC EDGAR's recent list, going back to Nov 29, 2021. Its latest annual report, Form 10-K, was filed on Mar 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 23, 2026. The company's fiscal year ends on December 31.

Expion Energy, Inc. SEC filings
Form Description Filed Period
EFFECT Filing Nov 3, 2026 —
DEF 14A Proxy statement Nov 2, 2026 Nov 1, 2026
S-3/A Filing Oct 30, 2026 —
S-3 Shelf registration Oct 26, 2026 —
PRE 14A Preliminary proxy statement Oct 23, 2026 Oct 23, 2026
8-K Current report Oct 23, 2026 Oct 22, 2026
8-K Current report
Material agreement
Oct 23, 2026 Oct 22, 2026
DEFA14A Additional proxy material Sep 18, 2026 —
DEFA14A Additional proxy material Sep 18, 2026 —
DEF 14A Proxy statement Sep 18, 2026 Sep 17, 2026
3 Initial insider ownership Sep 9, 2026 Aug 28, 2026
D Filing Sep 8, 2026 —
PRE 14A Preliminary proxy statement Sep 8, 2026 Sep 4, 2026
4 Insider transaction Aug 31, 2026 Aug 25, 2026
4 Insider transaction Aug 31, 2026 Aug 21, 2026
3 Initial insider ownership Aug 31, 2026 Aug 25, 2026
3 Initial insider ownership Aug 31, 2026 Aug 21, 2026
144 Notice of proposed sale Aug 31, 2026 —
8-K Current report
Officer or director change, Regulation FD disclosure
Aug 31, 2026 Aug 25, 2026
SCHEDULE 13D Ownership over 5% (active) Aug 28, 2026 —
4 Insider transaction Aug 25, 2026 Aug 13, 2026
4 Insider transaction Aug 25, 2026 Aug 13, 2026
4 Insider transaction Aug 25, 2026 Aug 13, 2026
4 Insider transaction Aug 25, 2026 Aug 13, 2026
4 Insider transaction Aug 25, 2026 Aug 13, 2026
4 Insider transaction Aug 25, 2026 Aug 13, 2026
4 Insider transaction Aug 25, 2026 Aug 21, 2026
SCHEDULE 13G Ownership over 5% (passive) Aug 24, 2026 —
8-K Current report
Material agreement, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
Aug 24, 2026 Aug 20, 2026
10-Q Quarterly report Aug 10, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 7, 2026 Aug 7, 2026
8-K Current report
Officer or director change, Other events
Aug 4, 2026 Jul 29, 2026
8-K Current report
Bylaw or fiscal year change
Jul 16, 2026 Jul 16, 2026
8-K Current report
Officer or director change
Jul 7, 2026 Jul 2, 2026
10-Q Quarterly report May 15, 2026 Mar 31, 2026
8-K Current report
Results of operations
May 15, 2026 May 15, 2026
10-K/A Amended annual report Apr 30, 2026 Dec 31, 2025
S-8 Employee stock plan registration Mar 26, 2026 —
10-K Annual report Mar 17, 2026 Dec 31, 2025
8-K Current report
Results of operations
Mar 17, 2026 Mar 17, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 17, 2026 —
8-K Current report
Listing notice
Jan 30, 2026 Jan 29, 2026
8-K Current report
Results of operations
Jan 28, 2026 Jan 28, 2026
8-K Current report
Regulation FD disclosure
Jan 13, 2026 Jan 13, 2026
424B5 Prospectus supplement Dec 15, 2025 —
8-K Current report
Material agreement
Dec 15, 2025 Dec 12, 2025
4 Insider transaction Nov 20, 2025 Oct 16, 2025
4 Insider transaction Nov 20, 2025 Oct 16, 2025
3 Initial insider ownership Nov 18, 2025 Oct 17, 2025
10-Q Quarterly report Nov 13, 2025 Sep 30, 2025
8-K Current report
Results of operations
Nov 13, 2025 Nov 13, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Nov 4, 2025 —
4/A Filing Oct 21, 2025 Oct 16, 2025
4 Insider transaction Oct 21, 2025 Oct 16, 2025
3 Initial insider ownership Oct 21, 2025 Oct 16, 2025
4 Insider transaction Oct 21, 2025 Oct 17, 2025
3 Initial insider ownership Oct 21, 2025 Sep 3, 2025
8-K Current report
Material agreement, Unregistered share sale, Officer or director change
Oct 17, 2025 Oct 16, 2025
8-K Current report
Other events
Sep 24, 2025 Sep 17, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Sep 8, 2025 Sep 3, 2025
8-K Current report
Material agreement, Listing notice
Aug 26, 2025 Aug 20, 2025
8-K Current report
Material agreement, Change to shareholder rights
Aug 14, 2025 Aug 14, 2025
10-Q Quarterly report Aug 13, 2025 Jun 30, 2025
8-K Current report
Results of operations, Other events
Aug 13, 2025 Aug 13, 2025
S-8 Employee stock plan registration Aug 7, 2025 —
8-K Current report
Results of operations
Aug 4, 2025 Aug 4, 2025
4 Insider transaction Aug 1, 2025 Jul 31, 2025
4 Insider transaction Aug 1, 2025 Jul 31, 2025
4 Insider transaction Aug 1, 2025 Jul 31, 2025
4 Insider transaction Aug 1, 2025 Jul 31, 2025
4 Insider transaction Aug 1, 2025 Jul 31, 2025
4 Insider transaction Aug 1, 2025 Jul 31, 2025
8-K Current report
Shareholder vote results
Aug 1, 2025 Jul 31, 2025
8-K Current report
Listing notice
Jul 8, 2025 Jul 1, 2025
DEFA14A Additional proxy material Jun 17, 2025 —
DEF 14A Proxy statement Jun 17, 2025 Jul 31, 2025
8-K Current report May 29, 2025 May 29, 2025
10-Q Quarterly report May 15, 2025 Mar 31, 2025
8-K Current report
Results of operations
May 15, 2025 May 15, 2025
10-K/A Amended annual report Apr 30, 2025 Dec 31, 2024
8-K Current report
Officer or director change
Apr 15, 2025 Apr 9, 2025
4 Insider transaction Apr 10, 2025 Apr 9, 2025
4 Insider transaction Apr 10, 2025 Apr 9, 2025
4 Insider transaction Apr 10, 2025 Apr 9, 2025
3 Initial insider ownership Apr 10, 2025 Apr 1, 2025
8-K Current report
Officer or director change
Apr 4, 2025 Apr 1, 2025
S-8 Employee stock plan registration Apr 3, 2025 —
10-K Annual report Mar 31, 2025 Dec 31, 2024
8-K Current report
Results of operations
Mar 31, 2025 Mar 31, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 18, 2025 —
424B4 Prospectus Feb 18, 2025 —
8-K Current report
Officer or director change
Feb 14, 2025 Feb 13, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 13, 2025 —
EFFECT Filing Feb 11, 2025 —
CORRESP Letter to the SEC Feb 7, 2025 —
CORRESP Letter to the SEC Feb 6, 2025 —
UPLOAD Letter from the SEC Jan 30, 2025 —
S-1 Registration statement Jan 17, 2025 —
D Filing Jan 17, 2025 —
SCHEDULE 13G Ownership over 5% (passive) Jan 10, 2025 —
424B5 Prospectus supplement Jan 3, 2025 —
8-K Current report
Material agreement, Unregistered share sale, Other events
Jan 3, 2025 Jan 2, 2025
8-K Current report
Officer or director change
Dec 20, 2024 Dec 16, 2024
10-Q Quarterly report Nov 14, 2024 Sep 30, 2024
8-K Current report
Results of operations
Nov 14, 2024 Nov 14, 2024
SC 13G/A Amended ownership over 5% (passive) Nov 13, 2024 —
8-K Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
Oct 7, 2024 Oct 4, 2024
8-K Current report
Agreement ended
Sep 30, 2024 Sep 24, 2024
8-K Current report
Shareholder vote results
Sep 27, 2024 Sep 27, 2024
SC 13G/A Amended ownership over 5% (passive) Sep 27, 2024 —
SC 13G Ownership over 5% (passive) Sep 23, 2024 —
8-K Current report
Listing notice
Sep 12, 2024 Sep 6, 2024
DEF 14A Proxy statement Sep 3, 2024 Aug 30, 2024
8-K Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
Aug 27, 2024 Aug 21, 2024
PRE 14A Preliminary proxy statement Aug 21, 2024 Aug 21, 2024
SC 13G Ownership over 5% (passive) Aug 16, 2024 —
SC 13G Ownership over 5% (passive) Aug 15, 2024 —
SC 13G Ownership over 5% (passive) Aug 15, 2024 —
10-Q Quarterly report Aug 14, 2024 Jun 30, 2024
8-K Current report
Results of operations
Aug 14, 2024 Aug 14, 2024
8-K Current report
Material agreement, Agreement ended, Other events
Aug 9, 2024 Aug 7, 2024
424B4 Prospectus Aug 8, 2024 —
EFFECT Filing Aug 6, 2024 —
8-K Current report
Other events
Aug 6, 2024 Aug 4, 2024
CORRESP Letter to the SEC Aug 2, 2024 —
CORRESP Letter to the SEC Aug 2, 2024 —
S-1/A Amended registration statement Aug 2, 2024 —
UPLOAD Letter from the SEC Jul 31, 2024 —
S-1 Registration statement Jul 25, 2024 —
4 Insider transaction Jun 6, 2024 Jun 4, 2024
144 Notice of proposed sale Jun 3, 2024 —
8-K Current report
Other events
May 28, 2024 May 23, 2024
10-Q Quarterly report May 14, 2024 Mar 31, 2024
8-K Current report
Results of operations
May 14, 2024 May 14, 2024
8-K Current report
Other events
May 7, 2024 May 7, 2024
424B5 Prospectus supplement May 7, 2024 —
10-K/A Amended annual report Apr 29, 2024 Dec 31, 2023
S-8 Employee stock plan registration Apr 1, 2024 —
10-K Annual report Mar 28, 2024 Dec 31, 2023
8-K Current report
Results of operations
Mar 28, 2024 Mar 28, 2024
424B3 Prospectus Mar 1, 2024 —
EFFECT Filing Feb 9, 2024 —
SC 13G Ownership over 5% (passive) Feb 8, 2024 —
CORRESP Letter to the SEC Feb 8, 2024 —
CORRESP Letter to the SEC Feb 8, 2024 —
S-1/A Amended registration statement Feb 7, 2024 —
SC 13G Ownership over 5% (passive) Feb 5, 2024 —
S-1/A Amended registration statement Jan 31, 2024 —
CORRESP Letter to the SEC Jan 31, 2024 —
UPLOAD Letter from the SEC Jan 29, 2024 —
S-1 Registration statement Jan 23, 2024 —
4 Insider transaction Jan 17, 2024 Jan 16, 2024
4 Insider transaction Jan 17, 2024 Jan 16, 2024
4 Insider transaction Jan 17, 2024 Jan 16, 2024
4 Insider transaction Jan 17, 2024 Jan 16, 2024
144 Notice of proposed sale Jan 16, 2024 —
8-K Current report
Material agreement
Dec 29, 2023 Dec 27, 2023
424B5 Prospectus supplement Dec 29, 2023 —
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 29, 2023 Dec 27, 2023
4 Insider transaction Dec 19, 2023 Dec 18, 2023
144 Notice of proposed sale Dec 18, 2023 —
4/A Filing Nov 17, 2023 Nov 16, 2023
4 Insider transaction Nov 17, 2023 Nov 16, 2023
144 Notice of proposed sale Nov 16, 2023 —
10-Q Quarterly report Nov 9, 2023 Sep 30, 2023
8-K Current report
Results of operations
Nov 9, 2023 Nov 9, 2023
8-K Current report
Shareholder vote results
Oct 16, 2023 Oct 13, 2023
8-K Current report
Regulation FD disclosure
Oct 12, 2023 Oct 12, 2023
DEF 14A Proxy statement Sep 6, 2023 Sep 6, 2023
4 Insider transaction Aug 28, 2023 Aug 23, 2023
3 Initial insider ownership Aug 28, 2023 Aug 23, 2023
4 Insider transaction Aug 28, 2023 Aug 23, 2023
4 Insider transaction Aug 28, 2023 Aug 23, 2023
4 Insider transaction Aug 28, 2023 Aug 23, 2023
4 Insider transaction Aug 28, 2023 Aug 23, 2023
4 Insider transaction Aug 28, 2023 Aug 23, 2023
4 Insider transaction Aug 28, 2023 Aug 23, 2023
8-K Current report
Officer or director change
Aug 24, 2023 Aug 23, 2023
8-K Current report
Officer or director change
Aug 16, 2023 Aug 15, 2023
10-Q Quarterly report Aug 10, 2023 Jun 30, 2023
8-K Current report
Results of operations
Aug 10, 2023 Aug 10, 2023
EFFECT Filing Jul 10, 2023 —
CORRESP Letter to the SEC Jul 5, 2023 —
UPLOAD Letter from the SEC Jun 29, 2023 —
S-3 Shelf registration Jun 27, 2023 —
8-K Current report
Regulation FD disclosure
May 24, 2023 May 24, 2023
10-Q Quarterly report May 11, 2023 Mar 31, 2023
8-K Current report
Results of operations
May 11, 2023 May 11, 2023
EFFECT Filing Apr 27, 2023 —
424B3 Prospectus Apr 27, 2023 —
POS AM Filing Apr 21, 2023 —
424B3 Prospectus Mar 30, 2023 —
10-K Annual report Mar 30, 2023 Dec 31, 2022
8-K Current report
Results of operations
Mar 30, 2023 Mar 30, 2023
424B3 Prospectus Mar 1, 2023 —
8-K Current report
Officer or director change
Feb 1, 2023 Jan 26, 2023
8-K Current report
Regulation FD disclosure
Jan 30, 2023 Jan 30, 2023
8-K Current report
Regulation FD disclosure
Jan 11, 2023 Jan 11, 2023
4/A Filing Dec 28, 2022 May 2, 2022
3/A Filing Dec 28, 2022 May 10, 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.

Company profile

Industry
Miscellaneous Electrical Machinery, Equipment & Supplies (SIC 3690)
Listed as
XPON (Nasdaq)
Fiscal year ends
December 31
Incorporated in
NV
Headquarters
Redmond, OR
SEC filer status
, Emerging growth company
SEC CIK
1894954
Former names
Expion Energy Inc. (until Aug 24, 2026); Expion360 Inc. (until Aug 24, 2026)

Other Miscellaneous Electrical Machinery, Equipment & Supplies companies

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