Atmos Energy (ATO) 3: MARTINEZ Jeffery D initial ownership report (3 holdings) (Oct 8, 2026)

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-10-01 --- Issuer --- Name: ATMOS ENERGY CORP (ATO) CIK: 0000731802 --- Reporting Owner --- Name: MARTINEZ Jeffery D CIK: 0002151465 Role: Officer (SR VP, UTILITY OPERATIONS) --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) [Holding #2] Security: Common Stock Ownership: I (Indirect) [Holding #3] Security: Restricted Stock Unit Ownership: D (Direct) Footnotes: [F2] Each restricted share unit represents a contingent right to receive one share of the Company's common stock. [F1] The restricted stock units issued under the Company's 1998 Long-Term Incentive Plan will vest and be delivered to the reporting person three years from date of grant. [F1] The restricted stock units issued under the Company's 1998 Long-Term Incentive Plan will vest and be delivered to the reporting person three years from date of grant. --- Footnotes (Complete Index) --- F1: The restricted stock units issued under the Company's 1998 Long-Term Incentive Plan will vest and be delivered to the reporting person three years from date of grant. F2: Each restricted share unit represents a contingent right to receive one share of the Company's common stock. --- Signature --- /s/ /s/Suzanne Johnson by POA (2026-10-08)