InsiderTrades

Form 4 for ATO Atmos Energy

Accepted 2026-05-04 16:54:11 ET · period of report 2026-05-02 · accession 0000731802-26-000077 · 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 2026-05-04 16:54 2026-05-02 ATO HARTSFIELD KAREN E Senior Advisor M - OptEx $189.74 +2,815 34.0K +9% +$534.1K
D 2026-05-04 16:54 2026-05-02 ATO HARTSFIELD KAREN E Senior Advisor F - Tax $189.74 -1,042 33.0K -3% -$197.7K
D 2026-05-04 16:54 2026-05-02 ATO HARTSFIELD KAREN E Senior Advisor M - OptEx $0.00 -2,815 4,195 -40% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-02 M A 2,815 $189.74 34,027.72 D — —
2 Common Common Stock 2026-05-02 F D 1,042 $189.74 32,985.72 D — — (F1) Shares withheld pursuant to a tax withholding obligation under the 1998 Long-Term Incentive Plan (the "Plan".)
3 Derivative Restricted Stock Unit 2026-05-02 M D 2,815 $0.00 4,195 D — · — to — 2,815 Common Stock (F3) Each restricted share unit represents a contingent right to receive one share of the Company's common stock. (F4) The restricted share units vested and were delivered to the reporting person three years from date of grant pursuant to the Plan. (F4) The restricted share units vested and were delivered to the reporting person three years from date of grant pursuant to the Plan.