Atmos Energy Corp. (ATO) Insider Trading
Directors, officers and holders of more than 10% of ATO report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 148 transactions on file: 1 with code P, 0 with code S and 49 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | Geiser Edward | Director | A Award | 225 | $155.79 | $35,000 |
| Oct 1, 2026 | GARZA RAFAEL G | Director | A Award | 77 | $155.79 | $11,996 |
| Sep 15, 2026 | ROBBINS J MATT | SR VP, HUMAN RESOURCES | G Gift | 1,500 | Not measured | Not measured |
| Sep 1, 2026 | Jeffries James Henry IV | Director | A Award | 1,000 | $166.96 | $166,958 |
| Aug 11, 2026 | WARE WILLIAM JAMES | Director | P Purchase | 300 | $167.59 | $50,278 |
| Jul 1, 2026 | Geiser Edward | Director | A Award | 188 | $172.92 | $32,500 |
| Jul 1, 2026 | GARZA RAFAEL G | Director | A Award | 65 | $172.92 | $11,240 |
| May 2, 2026 | Forsythe Christopher T | SR VICE PRESIDENT & CFO | F Tax Payment | 1,563 | $189.74 | $296,564 |
| May 2, 2026 | HARTSFIELD KAREN E | Senior Advisor | M Exercise | 2,815 | $189.74 | $534,118 |
| May 2, 2026 | MCDILL JOHN S | SR VP, UTILITY OPERATIONS | F Tax Payment | 1,042 | $189.74 | $197,709 |
| May 2, 2026 | MCDILL JOHN S | SR VP, UTILITY OPERATIONS | M Exercise | 2,815 | Not measured | Not measured |
| May 2, 2026 | AKERS JOHN K | PRESIDENT & CEO | F Tax Payment | 6,235 | $187.74 | $1,170,559 |
| May 2, 2026 | ROBBINS J MATT | SR VP, HUMAN RESOURCES | F Tax Payment | 1,042 | $189.74 | $197,709 |
| May 2, 2026 | Forsythe Christopher T | SR VICE PRESIDENT & CFO | M Exercise | 3,970 | $189.74 | $753,268 |
| May 2, 2026 | MCDILL JOHN S | SR VP, UTILITY OPERATIONS | M Exercise | 2,815 | $189.74 | $534,118 |
| May 2, 2026 | HARTSFIELD KAREN E | Senior Advisor | F Tax Payment | 1,042 | $189.74 | $197,709 |
| May 2, 2026 | FAULK MICHELLE | Vice President & Controller | F Tax Payment | 70 | $189.74 | $13,282 |
| May 2, 2026 | Forsythe Christopher T | SR VICE PRESIDENT & CFO | M Exercise | 3,970 | Not measured | Not measured |
| May 2, 2026 | HARTSFIELD KAREN E | Senior Advisor | M Exercise | 2,815 | Not measured | Not measured |
| May 2, 2026 | FAULK MICHELLE | Vice President & Controller | M Exercise | 175 | Not measured | Not measured |
| May 2, 2026 | AKERS JOHN K | PRESIDENT & CEO | M Exercise | 16,850 | Not measured | Not measured |
| May 2, 2026 | AKERS JOHN K | PRESIDENT & CEO | M Exercise | 16,850 | $189.74 | $3,197,119 |
| May 2, 2026 | ROBBINS J MATT | SR VP, HUMAN RESOURCES | M Exercise | 2,815 | Not measured | Not measured |
| May 2, 2026 | FAULK MICHELLE | Vice President & Controller | M Exercise | 175 | $189.74 | $33,205 |
| May 2, 2026 | ROBBINS J MATT | SR VP, HUMAN RESOURCES | M Exercise | 2,815 | $189.74 | $534,118 |
| Apr 1, 2026 | GARZA RAFAEL G | Director | A Award | 60 | $185.09 | $11,105 |
| Apr 1, 2026 | Geiser Edward | Director | A Award | 176 | $185.09 | $32,500 |
| Mar 7, 2026 | COMPTON KELLY H | Director | M Exercise | 1,082 | Not measured | Not measured |
| Mar 7, 2026 | COCKLIN KIM R | Director | M Exercise | 1,082 | $184.73 | $199,878 |
| Mar 7, 2026 | Ale John C. | Director | M Exercise | 1,082 | Not measured | Not measured |
| Mar 7, 2026 | COMPTON KELLY H | Director | M Exercise | 1,082 | $184.73 | $199,878 |
| Mar 7, 2026 | Ale John C. | Director | M Exercise | 1,082 | $184.73 | $199,878 |
| Mar 7, 2026 | COCKLIN KIM R | Director | M Exercise | 1,082 | Not measured | Not measured |
| Mar 6, 2026 | DONOHUE SEAN | Director | A Award | 920 | $184.73 | $170,000 |
| Mar 6, 2026 | Coogler Mitzi H | Director | A Award | 920 | $184.73 | $170,000 |
| Mar 6, 2026 | GARZA RAFAEL G | Director | A Award | 920 | $184.73 | $170,000 |
| Mar 6, 2026 | COCKLIN KIM R | Director | A Award | 920 | $184.73 | $170,000 |
| Mar 6, 2026 | COMPTON KELLY H | Director | A Award | 920 | $184.73 | $169,952 |
| Mar 6, 2026 | Ale John C. | Director | A Award | 920 | $184.73 | $169,952 |
| Mar 6, 2026 | WARE WILLIAM JAMES | Director | A Award | 920 | $184.73 | $170,000 |
| Mar 6, 2026 | Geiser Edward | Director | A Award | 920 | $184.73 | $170,000 |
| Mar 6, 2026 | YOHO FRANK H | Director | A Award | 920 | $184.73 | $170,000 |
| Mar 6, 2026 | TOLIVER TELISA | Director | A Award | 920 | $184.73 | $170,000 |
| Mar 6, 2026 | QUINN NANCY K | Director | A Award | 920 | $184.73 | $170,000 |
| Feb 4, 2026 | Sampson Richard A | Director | C Conversion | 30,808 | Not measured | Not measured |
| Feb 4, 2026 | Sampson Richard A | Director | C Conversion | 685 | Not measured | Not measured |
| Feb 4, 2026 | Sampson Richard A | Director | C Conversion | 685 | $171.62 | $117,560 |
| Feb 4, 2026 | Sampson Richard A | Director | C Conversion | 30,808 | $171.62 | $5,287,269 |
| Feb 3, 2026 | HARTSFIELD KAREN E | Senior Advisor | A Award | 1,240 | $168.06 | $208,394 |
| Feb 3, 2026 | MCDILL JOHN S | SR VP, UTILITY OPERATIONS | A Award | 1,240 | $168.06 | $208,394 |
The full Form 4 history is on the ATO company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.