JOHN S. MCDILL - 04 Nov 2025 Form 4 Insider Report for ATMOS ENERGY CORP (ATO)

Role: SR VP, UTILITY OPERATIONS
Signature: /s/Suzanne Johnson by POA
Issuer symbol: ATO
Transactions as of: 04 Nov 2025
Net transactions value: +$565,925
Form type: 4
Filing time: 05 Nov 2025, 15:56:18 UTC
Previous filing: 05 May 2025
Next filing: 04 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MCDILL JOHN S	SR VP, UTILITY OPERATIONS	5430 LBJ FREEWAY, 1800 III LINCOLN CENTRE, DALLAS	/s/Suzanne Johnson by POA	05 Nov 2025	0001888751

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ATO	Common Stock	Options Exercise	$933,292	+5,396	+17%	$172.96	36,718	04 Nov 2025	Direct	F1
transaction	ATO	Common Stock	Tax liability	$367,367	-2,124	-5.8%	$172.96	34,594	04 Nov 2025	Direct	F2, F3
holding	ATO	Common Stock						2,139	04 Nov 2025	by Retirement Savings Plan	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Vesting of award of performance based restricted stock units pursuant to the 1998 Long-Term Incentive Plan of the Company (the "Plan").
F2	Shares withheld pursuant to a tax withholding obligation under the Plan.
F3	To update end of period holdings as of November 1, 2025, for shares received under an automatic dividend reinvestment feature.
F4	To update end of period holdings as of November 1, 2025, under the Atmos Energy Corporation Retirement Savings Plan and Trust.