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Atmos Energy

ATO · NYSE · Natural Gas Distribution

Insider buys (12 months)

$50K

Insider sales (12 months)

$77K

8-K reports (12 months)

Tracked investors holding

At a glance

Atmos Energy reported 2025 revenue of $4.7B, up 12.9% from $4.17B in 2024. Over 4 years since 2021 ($3.41B), that is growth of about 8.4% a year. Operating margin was 33.2%, up from 26.6% in 2021. 2025 was the highest revenue year in this period.

In the last 12 months 2 insiders reported 1 open-market purchase ($50K) and 1 sale ($77K). None of the sales were flagged as 10b5-1 plan trades. The largest was a sale of $77K by Director Sean Donohue on Dec 4, 2025. Net, insiders were sellers of $27K.

Atmos Energy filed 11 current reports (Form 8-K) in the last 12 months, most often for results of operations (4), material agreement (3), other events (2) and officer or director change (1). The latest officer or director change was reported on Aug 10, 2026. It reported a material agreement or a completed acquisition or disposal 3 times.

3 of the 20 investors tracked here held Atmos Energy at the last quarter end, worth $120.9M combined. It is the largest weight for Renaissance Technologies (0.1% of its portfolio), followed by National Pension Service (Korea) (0%). New this quarter: Bridgewater Associates. Added: Renaissance Technologies and National Pension Service (Korea).