Form 4 for ATO Atmos Energy

Accepted 2026-02-05 00:00:00 ET · period of report 2026-02-04 · accession 0000731802-26-000032 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
DM	2026-02-05	2026-02-04	ATO	Sampson Richard A	Dir	C - Cnv Deriv	$171.62	+31.5K	41.8K	+307%	+$5.40M
DM	2026-02-05	2026-02-04	ATO	Sampson Richard A	Dir	C - Cnv Deriv	$0.00	-31.5K	0	-100%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-02-04	C	A	30,808	$171.62	41,082.04	D	—	—	(F1) Includes 0.751 shares resulting from a feature of the Company's Equity Incentive and Deferred Compensation Plan for Non-Employee Directors (the "Plan") authorizing fractional shares to be rounded up to the nearest whole share upon distribution.
2	Common	Common Stock	2026-02-04	C	A	685	$171.62	41,767.04	D	—	—	(F2) Includes 0.7743 shares pursuant to Plan authorizing fractional shares to be rounded up to the nearest whole share upon distribution.
3	Derivative	Phantom Deferred Compensation	2026-02-04	C	D	685	$0.00	0	D	— · — to —	685 Common Stock	(F3) Each unit of phantom stock is equivalent to one share of the Company's common stock. (F5) The phantom stock units were received pursuant to an election to convert a portion of the reporting person's director fees under the Plan and were settled upon the reporting person's termination of service on the Company's Board.
4	Derivative	Phantom Stock Units	2026-02-04	C	D	30,808	$0.00	0	D	— · — to —	30,808 Common Stock	(F3) Each unit of phantom stock is equivalent to one share of the Company's common stock. (F4) The phantom stock units were granted under the Plan and were settled upon the reporting person's termination of service on the Company's Board.