Karen E. Hartsfield - 04 Nov 2025 Form 4 Insider Report for ATMOS ENERGY CORP (ATO)

Role: Senior Advisor
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, 16:00:22 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
HARTSFIELD KAREN E	Senior Advisor	5430 LBJ FREEWAY, 1800 III LINCOLN CENTRE, DALLAS	/s/Suzanne Johnson by POA	05 Nov 2025	0001713954

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	+19%	$172.96	33,337	04 Nov 2025	Direct	F1
transaction	ATO	Common Stock	Tax liability	$367,367	-2,124	-6.4%	$172.96	31,213	04 Nov 2025	Direct	F2
holding	ATO	Common Stock						1,800	04 Nov 2025	By Retirement Savings Plan and Trust	F3

* 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, under the Atmos Energy Corporation Retirement Savings Plan and Trust.