ATO
Atmos Energy Corporation
Atmos Energy Corporation insider trading
Atmos Energy Corporation files with the SEC as a Natural Gas Distribution company headquartered in Dallas, TX. Every time one of its executives or directors buys or sells the stock, the filing appears here the moment it reaches the SEC — with grants and option exercises set apart from the trades that cost the insider their own money.
From SEC filings
Recent ATO insider transactions
One insider traded ATO on the open market on Aug 11, 2026 — 1 purchase worth $50.3K.
- Bought
- $50.3K
- Sold
- —
- Net
- +$50.3K
- Insiders
- 1
Ware William James
Director
+$50.3K
Aug 11, 2026
300 sh · $167.59
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| Aug 11, 2026 | Ware William JamesDirector | 300 | $167.59 | +$50.3K |
SEC Form 4 data, Q3 2024 to Q2 2026
ATO insider trading by quarter
Between Jul 01, 2024 and Jun 30, 2026, 3 insiders traded ATO on the open market: 1 purchase worth $362.2K and 2 sales worth $2.3M, 1 of the sales pre-scheduled under a 10b5-1 plan. In the last four quarters alone: 0 purchases and 1 sale ($77K), by one insider.
| Quarter | Bought | Sold | Insiders |
|---|---|---|---|
| Q2 2026 | — | — | |
| Q1 2026 | — | — | |
| Q4 2025 | — | −$77K1 sale | |
| Q3 2025 | — | — | |
| Q2 2025 | — | −$2.3M1 sale · all on a plan | |
| Q1 2025 | — | — | |
| Q4 2024 | +$362.2K1 buy | — | |
| Q3 2024 | — | — |
- Largest purchase
- +$362.2K of ATO by Geiser Edward (Director) on Nov 11, 2024.
- Largest sale
- −$2.3M of ATO by Cocklin Kim R (Director) on May 14, 2025, under a 10b5-1 plan.
Open-market transactions through Jun 30, 2026most recent first
Donohue Sean
Director
−$77K
Dec 03, 2025
450 sh · $171.15
Cocklin Kim R10b5-1
Director
−$2.3M
May 14, 2025
15,000 sh · $150.98
Geiser Edward
Director
+$362.2K
Nov 11, 2024
2,500 sh · $144.89
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| Dec 03, 2025 | Donohue SeanDirector | 450 | $171.15 | −$77K |
| May 14, 2025 | Cocklin Kim R10b5-1Director | 15,000 | $150.98 | −$2.3M |
| Nov 11, 2024 | Geiser EdwardDirector | 2,500 | $144.89 | +$362.2K |
From SEC's quarterly Form 3, 4 and 5 data sets: code P purchases and code S sales of common stock, by the date the trade happened. Where a fund and the people who control it each report the same block, it is counted once. Trades made in the last days of Q2 2026 but filed after it closed arrive with SEC's next quarterly release.
Atmos Energy Corporation company record
- SEC industry classification
- Natural Gas Distribution
- Headquarters
- Dallas, TX
- Incorporated in
- TX
- Listed on
- NYSE
- SEC Central Index Key
- 0000731802
Sourced from this company's own SEC submissions record. The industry label is SEC's Standard Industrial Classification, which is more specific than the Utilities sector shown above.
After insiders bought ATO
What the stock actually did in the 90 days following each open-market purchase
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How to read ATO insider activity
- Open-market purchase (code P)
- An insider spending their own money at market price. This is the only buy code that reliably carries signal — it is a decision, not compensation.
- Grants and option exercises (codes A, M)
- Scheduled compensation. Most "insider buying" headlines are really this, which is why InsiderPulse weights it at a fraction of a real purchase.
- Cluster buy
- Two or more different insiders buying on the open market in the same window. One executive buying can mean anything; three is much harder to explain away.
Other Utilities tickers
Questions
- Are ATO insiders buying or selling?
- Between Aug 11, 2026 and Aug 11, 2026, 1 Atmos Energy Corporation insider made 1 open-market purchase worth $50.3K and no sales, a net purchase of $50.3K.
- How much ATO stock have insiders bought and sold in the last two years?
- Between Jul 01, 2024 and Jun 30, 2026, 3 Atmos Energy Corporation insiders made 1 open-market purchase worth $362.2K and 2 sales worth $2.3M. 1 of the sales were pre-scheduled under a Rule 10b5-1 plan. In the four quarters to Jun 30, 2026: no purchases and 1 sale ($77K). The largest purchase was Geiser Edward buying $362.2K on Nov 11, 2024. The largest sale was Cocklin Kim R selling $2.3M on May 14, 2025.
- What was the largest recent ATO insider trade?
- Ware William James (Director) bought $50.3K of ATO stock on Aug 11, 2026 at about $167.59 a share.
- When did an insider last buy ATO shares?
- The most recent open-market purchase on file is Ware William James (Director) buying $50.3K on Aug 11, 2026.
- Where does ATO insider trading data come from?
- From the Form 4 filings Atmos Energy Corporation's officers, directors and 10% owners must send the SEC within two business days of a trade. Each row on this page links to its original filing on SEC EDGAR. Share grants and option exercises are kept apart from open-market purchases and sales, because only the latter cost the insider their own money.
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