ATO SEC Form 4 filings
Atmos Energy Corp Latest Insider Trading Activity
Over the past 2,343 days, 10 insider trades from Atmos Energy Corp (ATO). The most recent SEC Form 4 filing shows a sale by Donohue Sean (Atmos Energy Corp Director) on December 3, 2025 involving 450 shares at $171.15 per share. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For ATO Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ATO | 2025-12-04 | 2025-12-03 | Atmos Energy Corp | Donohue Sean | Director | Sell | 1 | 450 | $171.15 | $77,017.50 | 33.92% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction ATO | 2025-05-15 | 2025-05-14 | Atmos Energy Corp | Cocklin Kim R | Director | Sell | 1 | 15,000 | $150.98 | $2,264,700.00 | 7.99% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ATO | 2024-11-12 | 2024-11-11 | Atmos Energy Corp | Geiser Edward | Director | Buy | 1 | 2,500 | $144.89 | $362,225.00 | 96.08% | View Filing |
| DRIP: Dividend reinvestment ATO | 2022-05-10 | 2022-02-11 | Atmos Energy Corp | Forsythe Christopher T | SR VICE PRESIDENT & CFO | Sell | 1 | 0.11 | $105.00 | $11.55 | <0.01% | View Filing |
| DRIP: Dividend reinvestment ATO | 2022-02-11 | 2022-02-10 | Atmos Energy Corp | Thomas Richard M | VICE PRESIDENT & CONTROLLER | Sell | 1 | 950 | $106.61 | $101,279.50 | 25.18% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ATO | 2021-02-04 | 2021-02-04 | Atmos Energy Corp | Yoho Frank H | Director | Buy | 1 | 500 | $87.80 | $43,900.00 | 16.67% | View Filing |
| DRIP: Dividend reinvestment ATO | 2020-12-10 | 2020-12-10 | Atmos Energy Corp | Sampson Richard A | Director | Buy | 1 | 500 | $97.41 | $48,705.00 | 7.07% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ATO | 2020-08-26 | 2020-08-26 | Atmos Energy Corp | Yoho Frank H | Director | Buy | 1 | 1,500 | $99.48 | $149,220.00 | 60.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ATO | 2020-06-12 | 2020-06-11 | Atmos Energy Corp | Sampson Richard A | Director | Buy | 1 | 1,000 | $99.75 | $99,750.00 | 16.67% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ATO | 2020-05-19 | 2020-05-11 | Atmos Energy Corp | Sampson Richard A | Director | Buy | 1 | 1,000 | $95.47 | $95,470.00 | 25.00% | View Filing |
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