Expion Energy, Inc.

XPON·NASDAQ·$0.53Share Price as of 11/2·$2MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/10/26 10-QQ1 ended 03/31/2605/15/26 10-K/AFY 202504/30/26 10-KFY 202503/17/26 10-QQ3 ended 09/30/2511/13/25

Disclosures

8-KCurrent report10/23/26 8-KCurrent report10/23/26 8-KCurrent report08/31/26 8-KCurrent report08/24/26 8-KCurrent report08/07/26

Prospectuses and Registrations

S-3/AShelf registration (amended)10/30/26 S-3Shelf registration10/26/26 S-8Registration of securities for employees03/26/26 424B5Prospectus supplement12/15/25 S-8Registration of securities for employees08/07/25

Proxies

PRE 14APreliminary proxy10/23/26 DEF 14ADefinitive proxy09/18/26 DEFA14AAdditional proxy materials09/18/26 DEFA14AAdditional proxy materials09/18/26 PRE 14APreliminary proxy09/08/26

Ownership

Form 3Initial insider ownership09/09/26 144Proposed sale of securities08/31/26 Form 3Initial insider ownership08/31/26 Form 3Initial insider ownership08/31/26 Form 4Insider transaction08/31/26

Other

DD09/08/26 EFFECTRequest for effectiveness02/11/25 CORRESPCorrespondence with the SEC02/07/25 CORRESPCorrespondence with the SEC02/06/25 UPLOADLetter from the SEC01/30/25