Stock / equity
ATO ATMOS ENERGY CORP
- Company
- ATMOS ENERGY CORP
- Security
- Equity
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on record
- 20
- Members of Congress
- 2
- Latest trade on record
- October 1, 2026
ATO (ATMOS ENERGY CORP) has 75 disclosed insider transactions from 20 insiders in the last 12 months (1 open-market buy, 14 sales, about $33.0M at reported prices) and 2 congressional trades from 2 members of Congress. The most recent disclosure was filed October 5, 2026.
Share price
Price and chart by TradingView for ATMOS ENERGY CORP. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
ATO in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
8 people account for the disclosed buying and selling in ATO over the last 12 months; the most active is AKERS JOHN K with $3.4M.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
GARZA RAFAEL G reported 334 shares held after the latest filing, against 66 at the first on record.
Lobbying spend by quarter
How much has ATMOS ENERGY CORP reported spending on federal lobbying?
ATMOS ENERGY CORP reported $400K in lobbying over the last eight quarters, from filings matched by exact company name.
Federal contracts by agency
Which agencies awarded ATMOS ENERGY CORP contracts that started in the last 180 days?
Federal contract awards to ATMOS ENERGY CORP that started in the last 180 days have a combined award value of $38K, most from Department of Justice.
Insiders trading ATO
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns. Showing 15 of 20.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| ROBBINS J MATT | SR VP, HUMAN RESOURCES | 8 | 0 | 2 | — | $565K | September 15, 2026 |
| GARZA RAFAEL G | Director | 6 | 0 | 0 | — | — | October 1, 2026 |
| Geiser Edward | Director | 6 | 0 | 0 | — | — | October 1, 2026 |
| AKERS JOHN K | PRESIDENT & CEO | 6 | 0 | 2 | — | $3.4M | May 2, 2026 |
| FAULK MICHELLE | Vice President & Controller | 6 | 0 | 2 | — | $33K | May 2, 2026 |
| Forsythe Christopher T | SR VICE PRESIDENT & CFO | 6 | 0 | 2 | — | $815K | May 2, 2026 |
| HARTSFIELD KAREN E | Senior Advisor | 6 | 0 | 2 | — | $565K | May 2, 2026 |
| MCDILL JOHN S | SR VP, UTILITY OPERATIONS | 6 | 0 | 2 | — | $565K | May 2, 2026 |
| COMPTON KELLY H | Director | 4 | 0 | 0 | — | — | March 7, 2026 |
| Sampson Richard A | Director | 4 | 0 | 0 | — | — | February 4, 2026 |
| BATEMAN JESSICA WALKER | Sr VP, Gen Counsel, Corp Sec'y | 4 | 0 | 1 | — | $175K | February 3, 2026 |
| Ale John C. | Director | 3 | 0 | 0 | — | — | March 7, 2026 |
| COCKLIN KIM R | Director | 3 | 0 | 0 | — | — | March 7, 2026 |
| WARE WILLIAM JAMES | Director | 2 | 1 | 0 | $50K | — | August 11, 2026 |
| DONOHUE SEAN | Director | 2 | 0 | 1 | — | $77K | March 6, 2026 |
What kind of transactions these are 7 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| A | Grant or award | 29 | 27,309 | $4.8M |
| M | Option exercise or conversion | 26 | 126,803 | $16.4M |
| F | Shares withheld for tax | 13 | 34,228 | $6.1M |
| C | Conversion of a derivative | 4 | 62,986 | $5.4M |
| G | Gift | 3 | 3,442 | $325K |
| P | Open-market purchase | 1 | 300 | $50K |
| S | Open-market sale | 1 | 450 | $77K |
What each code means: Form 4 transaction codes.
Members of Congress trading ATO
Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| John Boozman | Senator (AR), Republican | 1 | 0 | 1 | $1,001–$15K | June 12, 2026 |
| Jared Moskowitz | Representative (FL, District 23), Democrat | 1 | 1 | 0 | $1,001–$15K | December 2, 2025 |
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Geiser Edward | Other A | October 1, 2026 | October 5, 2026 | 4d | 225 | $156 | $35K | derivative | Form 4 ↗ | |
| GARZA RAFAEL G | Other A | October 1, 2026 | October 5, 2026 | 4d | 77 | $156 | $12K | Form 4 ↗ | ||
| ROBBINS J MATT | Other G | September 15, 2026 | September 17, 2026 | 2d | 1,500 | — | — | Form 4 ↗ | ||
| Jeffries James Henry IV | Other A | September 1, 2026 | September 2, 2026 | 1d | 1,000 | $167 | $167K | derivative | Form 4 ↗ | |
| WARE WILLIAM JAMES | Buy P | August 11, 2026 | August 12, 2026 | 1d | 300 | $168 | $50K | Form 4 ↗ | ||
| Geiser Edward | Other A | July 1, 2026 | July 2, 2026 | 1d | 188 | $173 | $33K | derivative | Form 4 ↗ | |
| GARZA RAFAEL G | Other A | July 1, 2026 | July 2, 2026 | 1d | 65 | $173 | $11K | Form 4 ↗ | ||
| ROBBINS J MATT | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 2,815 | — | — | derivative | Form 4 ↗ | |
| ROBBINS J MATT | Sell F | May 2, 2026 | May 4, 2026 | 2d | 1,042 | $190 | $198K | Form 4 ↗ | ||
| ROBBINS J MATT | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 2,815 | $190 | $534K | Form 4 ↗ | ||
| MCDILL JOHN S | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 2,815 | — | — | derivative | Form 4 ↗ | |
| MCDILL JOHN S | Sell F | May 2, 2026 | May 4, 2026 | 2d | 1,042 | $190 | $198K | Form 4 ↗ | ||
| MCDILL JOHN S | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 2,815 | $190 | $534K | Form 4 ↗ | ||
| HARTSFIELD KAREN E | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 2,815 | — | — | derivative | Form 4 ↗ | |
| HARTSFIELD KAREN E | Sell F | May 2, 2026 | May 4, 2026 | 2d | 1,042 | $190 | $198K | Form 4 ↗ | ||
| HARTSFIELD KAREN E | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 2,815 | $190 | $534K | Form 4 ↗ | ||
| Forsythe Christopher T | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 3,970 | — | — | derivative | Form 4 ↗ | |
| Forsythe Christopher T | Sell F | May 2, 2026 | May 4, 2026 | 2d | 1,563 | $190 | $297K | Form 4 ↗ | ||
| Forsythe Christopher T | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 3,970 | $190 | $753K | Form 4 ↗ | ||
| FAULK MICHELLE | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 175 | — | — | derivative | Form 4 ↗ | |
| FAULK MICHELLE | Sell F | May 2, 2026 | May 4, 2026 | 2d | 70 | $190 | $13K | Form 4 ↗ | ||
| FAULK MICHELLE | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 175 | $190 | $33K | Form 4 ↗ | ||
| AKERS JOHN K | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 16,850 | — | — | derivative | Form 4 ↗ | |
| AKERS JOHN K | Sell F | May 2, 2026 | May 4, 2026 | 2d | 6,235 | $188 | $1.2M | Form 4 ↗ | ||
| AKERS JOHN K | Option / conversion M | May 2, 2026 | May 4, 2026 | 2d | 16,850 | $190 | $3.2M | Form 4 ↗ | ||
| GARZA RAFAEL G | Other A | April 1, 2026 | April 2, 2026 | 1d | 60 | $185 | $11K | Form 4 ↗ | ||
| Geiser Edward | Other A | April 1, 2026 | April 2, 2026 | 1d | 176 | $185 | $33K | derivative | Form 4 ↗ | |
| YOHO FRANK H | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| WARE WILLIAM JAMES | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| TOLIVER TELISA | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| QUINN NANCY K | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| Geiser Edward | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| GARZA RAFAEL G | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| DONOHUE SEAN | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| Coogler Mitzi H | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| COMPTON KELLY H | Option / conversion M | March 7, 2026 | March 10, 2026 | 3d | 1,082 | — | — | derivative | Form 4 ↗ | |
| COMPTON KELLY H | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| COMPTON KELLY H | Option / conversion M | March 7, 2026 | March 10, 2026 | 3d | 1,082 | $185 | $200K | Form 4 ↗ | ||
| COCKLIN KIM R | Option / conversion M | March 7, 2026 | March 10, 2026 | 3d | 1,082 | — | — | derivative | Form 4 ↗ | |
| COCKLIN KIM R | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| COCKLIN KIM R | Option / conversion M | March 7, 2026 | March 10, 2026 | 3d | 1,082 | $185 | $200K | Form 4 ↗ | ||
| Ale John C. | Option / conversion M | March 7, 2026 | March 10, 2026 | 3d | 1,082 | — | — | derivative | Form 4 ↗ | |
| Ale John C. | Other A | March 6, 2026 | March 10, 2026 | 4d | 920 | $185 | $170K | derivative | Form 4 ↗ | |
| Ale John C. | Option / conversion M | March 7, 2026 | March 10, 2026 | 3d | 1,082 | $185 | $200K | Form 4 ↗ | ||
| Sampson Richard A | Exchange C | February 4, 2026 | February 5, 2026 | 1d | 685 | — | — | derivative | Form 4 ↗ | |
| Sampson Richard A | Exchange C | February 4, 2026 | February 5, 2026 | 1d | 30,808 | — | — | derivative | Form 4 ↗ | |
| Sampson Richard A | Exchange C | February 4, 2026 | February 5, 2026 | 1d | 685 | $172 | $118K | Form 4 ↗ | ||
| Sampson Richard A | Exchange C | February 4, 2026 | February 5, 2026 | 1d | 30,808 | $172 | $5.3M | Form 4 ↗ | ||
| ROBBINS J MATT | Other A | February 3, 2026 | February 4, 2026 | 1d | 1,240 | $168 | $208K | derivative | Form 4 ↗ | |
| MCDILL JOHN S | Other A | February 3, 2026 | February 4, 2026 | 1d | 1,240 | $168 | $208K | derivative | Form 4 ↗ | |
| HARTSFIELD KAREN E | Other A | February 3, 2026 | February 4, 2026 | 1d | 1,240 | $168 | $208K | derivative | Form 4 ↗ | |
| Forsythe Christopher T | Other A | February 3, 2026 | February 4, 2026 | 1d | 1,900 | $168 | $319K | derivative | Form 4 ↗ | |
| FAULK MICHELLE | Other A | February 3, 2026 | February 4, 2026 | 1d | 260 | $168 | $44K | derivative | Form 4 ↗ | |
| BATEMAN JESSICA WALKER | Other A | February 3, 2026 | February 4, 2026 | 1d | 1,240 | $168 | $208K | derivative | Form 4 ↗ | |
| AKERS JOHN K | Other A | February 3, 2026 | February 4, 2026 | 1d | 7,760 | $168 | $1.3M | derivative | Form 4 ↗ | |
| BATEMAN JESSICA WALKER | Option / conversion M | January 2, 2026 | January 5, 2026 | 3d | 2,500 | — | — | derivative | Form 4 ↗ | |
| BATEMAN JESSICA WALKER | Sell F | January 2, 2026 | January 5, 2026 | 3d | 1,042 | $168 | $175K | Form 4 ↗ | ||
| BATEMAN JESSICA WALKER | Option / conversion M | January 2, 2026 | January 5, 2026 | 3d | 2,500 | $168 | $421K | Form 4 ↗ | ||
| Geiser Edward | Other A | January 2, 2026 | January 5, 2026 | 3d | 193 | $168 | $33K | derivative | Form 4 ↗ | |
| GARZA RAFAEL G | Other A | January 2, 2026 | January 5, 2026 | 3d | 66 | $168 | $11K | Form 4 ↗ | ||
| COMPTON KELLY H | Other G | December 16, 2025 | December 18, 2025 | 2d | 442 | $169 | $75K | Form 4 ↗ | ||
| ROBBINS J MATT | Other G | December 10, 2025 | December 12, 2025 | 2d | 1,500 | $167 | $250K | Form 4 ↗ | ||
| DONOHUE SEAN | Sell S | December 3, 2025 | December 4, 2025 | 1d | 450 | $171 | $77K | Form 4 ↗ | ||
| AKERS JOHN K | Sell F | November 4, 2025 | November 5, 2025 | 1d | 12,709 | $173 | $2.2M | Form 4 ↗ | ||
| AKERS JOHN K | Option / conversion M | November 4, 2025 | November 5, 2025 | 1d | 32,297 | $173 | $5.6M | Form 4 ↗ | ||
| Forsythe Christopher T | Sell F | November 4, 2025 | November 5, 2025 | 1d | 2,995 | $173 | $518K | Form 4 ↗ | ||
| Forsythe Christopher T | Option / conversion M | November 4, 2025 | November 5, 2025 | 1d | 7,610 | $173 | $1.3M | Form 4 ↗ | ||
| FAULK MICHELLE | Sell F | November 4, 2025 | November 5, 2025 | 1d | 116 | $173 | $20K | Form 4 ↗ | ||
| FAULK MICHELLE | Option / conversion M | November 4, 2025 | November 5, 2025 | 1d | 336 | $173 | $58K | Form 4 ↗ | ||
| HARTSFIELD KAREN E | Sell F | November 4, 2025 | November 5, 2025 | 1d | 2,124 | $173 | $367K | Form 4 ↗ | ||
| HARTSFIELD KAREN E | Option / conversion M | November 4, 2025 | November 5, 2025 | 1d | 5,396 | $173 | $933K | Form 4 ↗ | ||
| MCDILL JOHN S | Sell F | November 4, 2025 | November 5, 2025 | 1d | 2,124 | $173 | $367K | Form 4 ↗ | ||
| MCDILL JOHN S | Option / conversion M | November 4, 2025 | November 5, 2025 | 1d | 5,396 | $173 | $933K | Form 4 ↗ | ||
| ROBBINS J MATT | Sell F | November 4, 2025 | November 5, 2025 | 1d | 2,124 | $173 | $367K | Form 4 ↗ | ||
| ROBBINS J MATT | Option / conversion M | November 4, 2025 | November 5, 2025 | 1d | 5,396 | $173 | $933K | Form 4 ↗ | ||
| Geiser Edward | Other A | October 1, 2025 | October 2, 2025 | 1d | 191 | $170 | $32K | derivative | Form 4 ↗ | |
| GARZA RAFAEL G | Other A | October 1, 2025 | October 2, 2025 | 1d | 66 | $170 | $11K | Form 4 ↗ |
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| John Boozman | Sell | June 12, 2026 | July 13, 2026 | 31d | — | — | $1,001–$15K | joint | Senate PTR ↗ | |
| Jared Moskowitz | Buy | December 2, 2025 | January 16, 2026 | 45d | — | — | $1,001–$15K | House PTR ↗ |
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Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- How to read a congressional trade report Owner tells you whose asset it was: the member, the spouse, a dependent child, or held jointly.
- Why congressional trade amounts are ranges There are ten ranges; the lowest is $1,001–$15,000 and the highest is over $50,000,000.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 1 | 1 | January 16, 2026 | January 16, 2026 | House Clerk search |
| Senate eFD, periodic transaction reports | 1 | 1 | July 13, 2026 | July 13, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 48 | 77 | October 2, 2025 | October 5, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.