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ATO Atmos Energy Corporation

Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.

$50K net buying - trailing 90 days

1 buyers - 0 unique sellers

Historical context: No open-market activity in Sep 2026 — insiders traded in 4 of the last 24 months

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$5.0M$2.5M$0-$2.5M-$5.0M2024-10 $02024-11 $362K2024-12 $02025-01 $02025-02 $02025-03 $02025-04 $02025-05 -$2.3M2025-06 $02025-07 $02025-08 $02025-09 $02025-10 $02025-11 $02025-12 -$77K2026-01 $02026-02 $02026-03 $02026-04 $02026-05 $02026-06 $02026-07 $02026-08 $50K2026-09 $0Oct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

Who is responsible

Insider Role Net activity Rows
WARE WILLIAM JAMES — ~$50K 1

Transactions

Date Insider Role Type Shares Price Value
August 11, 2026 WARE WILLIAM JAMES — P 300 167.5945 ~$50K
December 3, 2025 DONOHUE SEAN — S -450 171.15 ~$77K
May 14, 2025 COCKLIN KIM R — S -15000 150.979 ~$2.3M
November 11, 2024 Geiser Edward — P 2500 144.89 ~$0.4M