Atmos Energy (ATO) 4: Geiser Edward bought 225 shares at $155.79 on 2026-10-01; G… (Oct 5, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: ATMOS ENERGY CORP (ATO) CIK: 0000731802 --- Reporting Owner --- Name: Geiser Edward CIK: 0001839074 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Phantom Deferred Compensation Date: 2026-10-01 | Code: A (Grant or award) Shares: +224.6614 | Price: $155.79 Shares Owned After: 1,923.2765 | Ownership: D (Direct) Footnotes: [F1] Each unit of phantom stock is equivalent to one share of the Company's common stock. [F4] The phantom share units were received pursuant to an election to convert a portion of the reporting person's director fees under the Plan and are to be settled upon the reporting person's termination of service on the Company's Board of Directors. [F4] The phantom share units were received pursuant to an election to convert a portion of the reporting person's director fees under the Plan and are to be settled upon the reporting person's termination of service on the Company's Board of Directors. [F5] Includes 10.04 phantom stock units resulting from the dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing. --- Holdings --- [Holding #1] Security: Phantom Stock Units Ownership: D (Direct) Footnotes: [F1] Each unit of phantom stock is equivalent to one share of the Company's common stock. [F2] The phantom stock units were granted under the 1998 Long-Term Incentive Plan (the "Plan") and are to be settled upon the reporting person's termination of service on the Company's Board. [F2] The phantom stock units were granted under the 1998 Long-Term Incentive Plan (the "Plan") and are to be settled upon the reporting person's termination of service on the Company's Board. [F3] Includes 18.32 phantom stock units resulting from a dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing. --- Footnotes (Complete Index) --- F1: Each unit of phantom stock is equivalent to one share of the Company's common stock. F2: The phantom stock units were granted under the 1998 Long-Term Incentive Plan (the "Plan") and are to be settled upon the reporting person's termination of service on the Company's Board. F3: Includes 18.32 phantom stock units resulting from a dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing. F4: The phantom share units were received pursuant to an election to convert a portion of the reporting person's director fees under the Plan and are to be settled upon the reporting person's termination of service on the Company's Board of Directors. F5: Includes 10.04 phantom stock units resulting from the dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing. --- Signature --- /s/ /s/Suzanne Johnson by POA (2026-10-05)