InsiderTrades

Form 4 for ATO Atmos Energy

Accepted 2026-03-10 00:00:00 ET · period of report 2026-03-06 · accession 0000731802-26-000047 · 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
D 2026-03-10 2026-03-07 ATO COCKLIN KIM R Dir M - OptEx $184.73 +1,082 173.7K +0.6% +$199.9K
D 2026-03-10 2026-03-06 ATO COCKLIN KIM R Dir A - Grant $184.73 +920.26 920.26 New +$170.0K
D 2026-03-10 2026-03-07 ATO COCKLIN KIM R Dir M - OptEx $0.00 -1,082 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-07 M A 1,082 $184.73 173,713.60 D — —
2 Derivative Phantom Stock Units 2026-03-06 A A 920.26 $184.73 920.26 D — · — to — 920.26 Common Stock (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.
3 Derivative Restricted Stock Unit 2026-03-07 M D 1,082 $0.00 0 D — · — to — 1,082 Common Stock (F3) Each restricted share unit represents the right to receive one share of the Company's common stock. (F4) The restricted share units vested and were delivered to the reporting person one year from date of grant.