NYSE : ATO
-$3.47 (-1.94%)
NUMBER OF INSIDERS BUYING (LAST 12 MONTHS)
NUMBER OF INSIDERS SELLING (LAST 12 MONTHS)
AMOUNT OF INSIDER SELLING (LAST 12 MONTHS)
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| Geiser Edward | director | 2026-07-01 | A-Award | 0 | 2026-07-02 |
| GARZA RAFAEL G | director | 2026-07-01 | A-Award | 172.923 | 2026-07-02 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2026-05-02 | M-Exempt | 189.74 | 2026-05-04 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2026-05-02 | F-InKind | 189.74 | 2026-05-04 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2026-05-02 | M-Exempt | 0 | 2026-05-04 |
| MCDILL JOHN S | officer: SR VP, UTILITY OPERATIONS | 2026-05-02 | M-Exempt | 189.74 | 2026-05-04 |
| MCDILL JOHN S | officer: SR VP, UTILITY OPERATIONS | 2026-05-02 | F-InKind | 189.74 | 2026-05-04 |
| MCDILL JOHN S | officer: SR VP, UTILITY OPERATIONS | 2026-05-02 | M-Exempt | 0 | 2026-05-04 |
| HARTSFIELD KAREN E | officer: Senior Advisor | 2026-05-02 | M-Exempt | 189.74 | 2026-05-04 |
| HARTSFIELD KAREN E | officer: Senior Advisor | 2026-05-02 | F-InKind | 189.74 | 2026-05-04 |
| HARTSFIELD KAREN E | officer: Senior Advisor | 2026-05-02 | M-Exempt | 0 | 2026-05-04 |
| Forsythe Christopher T | officer: SR VICE PRESIDENT & CFO | 2026-05-02 | M-Exempt | 189.74 | 2026-05-04 |
| Forsythe Christopher T | officer: SR VICE PRESIDENT & CFO | 2026-05-02 | F-InKind | 189.74 | 2026-05-04 |
| Forsythe Christopher T | officer: SR VICE PRESIDENT & CFO | 2026-05-02 | M-Exempt | 0 | 2026-05-04 |
| FAULK MICHELLE | officer: Vice President & Controller | 2026-05-02 | M-Exempt | 189.74 | 2026-05-04 |
| FAULK MICHELLE | officer: Vice President & Controller | 2026-05-02 | F-InKind | 189.74 | 2026-05-04 |
| FAULK MICHELLE | officer: Vice President & Controller | 2026-05-02 | M-Exempt | 0 | 2026-05-04 |
| AKERS JOHN K | director, officer: PRESIDENT & CEO | 2026-05-02 | M-Exempt | 189.74 | 2026-05-04 |
| AKERS JOHN K | director, officer: PRESIDENT & CEO | 2026-05-02 | F-InKind | 187.74 | 2026-05-04 |
| AKERS JOHN K | director, officer: PRESIDENT & CEO | 2026-05-02 | M-Exempt | 0 | 2026-05-04 |
| GARZA RAFAEL G | director | 2026-04-01 | A-Award | 185.09 | 2026-04-02 |
| Geiser Edward | director | 2026-04-01 | A-Award | 0 | 2026-04-02 |
| YOHO FRANK H | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| GARZA RAFAEL G | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| DONOHUE SEAN | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| Coogler Mitzi H | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| COMPTON KELLY H | director | 2026-03-07 | M-Exempt | 184.73 | 2026-03-10 |
| COMPTON KELLY H | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| COMPTON KELLY H | director | 2026-03-07 | M-Exempt | 0 | 2026-03-10 |
| COCKLIN KIM R | director | 2026-03-07 | M-Exempt | 184.73 | 2026-03-10 |
| COCKLIN KIM R | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| COCKLIN KIM R | director | 2026-03-07 | M-Exempt | 0 | 2026-03-10 |
| Ale John C. | director | 2026-03-06 | A-Award | 0 | 2026-03-10 |
| Ale John C. | director | 2026-03-07 | M-Exempt | 184.73 | 2026-03-10 |
| Ale John C. | director | 2026-03-07 | M-Exempt | 0 | 2026-03-10 |
| Coogler Mitzi H | director: | 2026-02-04 | 0 | 2026-02-05 | |
| WARE WILLIAM JAMES | director | 2026-02-04 | 0 | 2026-02-05 | |
| WARE WILLIAM JAMES | director | 2026-02-04 | 0 | 2026-02-05 | |
| Sampson Richard A | director | 2026-02-04 | C-Conversion | 171.62 | 2026-02-05 |
| Sampson Richard A | director | 2026-02-04 | C-Conversion | 171.62 | 2026-02-05 |
| Sampson Richard A | director | 2026-02-04 | C-Conversion | 0 | 2026-02-05 |
| Sampson Richard A | director | 2026-02-04 | C-Conversion | 0 | 2026-02-05 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2026-02-03 | A-Award | 0 | 2026-02-04 |
| MCDILL JOHN S | officer: SR VP, UTILITY OPERATIONS | 2026-02-03 | A-Award | 0 | 2026-02-04 |
| HARTSFIELD KAREN E | officer: Senior Advisor | 2026-02-03 | A-Award | 0 | 2026-02-04 |
| Forsythe Christopher T | officer: SR VICE PRESIDENT & CFO | 2026-02-03 | A-Award | 0 | 2026-02-04 |
| FAULK MICHELLE | officer: Vice President & Controller | 2026-02-03 | A-Award | 0 | 2026-02-04 |
| BATEMAN JESSICA WALKER | officer: Sr VP, Gen Counsel, Corp Sec'y | 2026-02-03 | A-Award | 0 | 2026-02-04 |
| AKERS JOHN K | director, officer: PRESIDENT & CEO | 2026-02-03 | A-Award | 0 | 2026-02-04 |
| BATEMAN JESSICA WALKER | officer: Sr VP, Gen Counsel, Corp Sec'y | 2026-01-02 | M-Exempt | 0 | 2026-01-05 |
| BATEMAN JESSICA WALKER | officer: Sr VP, Gen Counsel, Corp Sec'y | 2026-01-02 | M-Exempt | 168.23 | 2026-01-05 |
| BATEMAN JESSICA WALKER | officer: Sr VP, Gen Counsel, Corp Sec'y | 2026-01-02 | F-InKind | 168.23 | 2026-01-05 |
| Geiser Edward | director | 2026-01-02 | A-Award | 0 | 2026-01-05 |
| GARZA RAFAEL G | director | 2026-01-02 | A-Award | 168.23 | 2026-01-05 |
| COMPTON KELLY H | director | 2025-12-16 | G-Gift | 169.16 | 2025-12-18 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2025-12-10 | G-Gift | 166.8 | 2025-12-12 |
| DONOHUE SEAN | director | 2025-12-03 | S-Sale | 171.15 | 2025-12-04 |
| AKERS JOHN K | director, officer: PRESIDENT & CEO | 2025-11-04 | M-Exempt | 172.96 | 2025-11-05 |
| AKERS JOHN K | director, officer: PRESIDENT & CEO | 2025-11-04 | F-InKind | 172.96 | 2025-11-05 |
| Forsythe Christopher T | officer: SR VICE PRESIDENT & CFO | 2025-11-04 | M-Exempt | 172.96 | 2025-11-05 |
| Forsythe Christopher T | officer: SR VICE PRESIDENT & CFO | 2025-11-04 | F-InKind | 172.96 | 2025-11-05 |
| FAULK MICHELLE | officer: Vice President & Controller | 2025-11-04 | M-Exempt | 172.96 | 2025-11-05 |
| FAULK MICHELLE | officer: Vice President & Controller | 2025-11-04 | F-InKind | 172.96 | 2025-11-05 |
| HARTSFIELD KAREN E | officer: Senior Advisor | 2025-11-04 | M-Exempt | 172.96 | 2025-11-05 |
| HARTSFIELD KAREN E | officer: Senior Advisor | 2025-11-04 | F-InKind | 172.96 | 2025-11-05 |
| MCDILL JOHN S | officer: SR VP, UTILITY OPERATIONS | 2025-11-04 | M-Exempt | 172.96 | 2025-11-05 |
| MCDILL JOHN S | officer: SR VP, UTILITY OPERATIONS | 2025-11-04 | F-InKind | 172.96 | 2025-11-05 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2025-11-04 | M-Exempt | 172.96 | 2025-11-05 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2025-11-04 | F-InKind | 172.96 | 2025-11-05 |
| Geiser Edward | director | 2025-10-01 | A-Award | 0 | 2025-10-02 |
| GARZA RAFAEL G | director | 2025-10-01 | A-Award | 170.125 | 2025-10-02 |
| Geiser Edward | director | 2025-07-01 | A-Award | 0 | 2025-07-02 |
| COCKLIN KIM R | director | 2025-05-14 | S-Sale | 150.979 | 2025-05-15 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2025-05-02 | M-Exempt | 160.655 | 2025-05-05 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2025-05-02 | F-InKind | 160.655 | 2025-05-05 |
| ROBBINS J MATT | officer: SR VP, HUMAN RESOURCES | 2025-05-02 | M-Exempt | 0 | 2025-05-05 |
| MCDILL JOHN S | officer: SR VP, UTILITY OPERATIONS | 2025-05-02 | M-Exempt | 160.655 | 2025-05-05 |
| MCDILL JOHN S | officer: SR VP, UTILITY OPERATIONS | 2025-05-02 | F-InKind | 160.655 | 2025-05-05 |
| MCDILL JOHN S | officer: SR VP, UTILITY OPERATIONS | 2025-05-02 | M-Exempt | 0 | 2025-05-05 |
| HARTSFIELD KAREN E | officer: Senior Advisor | 2025-05-02 | M-Exempt | 160.655 | 2025-05-05 |
| HARTSFIELD KAREN E | officer: Senior Advisor | 2025-05-02 | F-InKind | 160.655 | 2025-05-05 |
| HARTSFIELD KAREN E | officer: Senior Advisor | 2025-05-02 | M-Exempt | 0 | 2025-05-05 |
| Forsythe Christopher T | officer: SR VICE PRESIDENT & CFO | 2025-05-02 | M-Exempt | 160.655 | 2025-05-05 |
| Forsythe Christopher T | officer: SR VICE PRESIDENT & CFO | 2025-05-02 | F-InKind | 160.655 | 2025-05-05 |
| Forsythe Christopher T | officer: SR VICE PRESIDENT & CFO | 2025-05-02 | M-Exempt | 0 | 2025-05-05 |
| FAULK MICHELLE | officer: Vice President & Controller | 2025-05-02 | M-Exempt | 160.655 | 2025-05-05 |
| FAULK MICHELLE | officer: Vice President & Controller | 2025-05-02 | F-InKind | 160.655 | 2025-05-05 |
| FAULK MICHELLE | officer: Vice President & Controller | 2025-05-02 | M-Exempt | 0 | 2025-05-05 |
| AKERS JOHN K | director, officer: PRESIDENT & CEO | 2025-05-02 | M-Exempt | 160.655 | 2025-05-05 |
| AKERS JOHN K | director, officer: PRESIDENT & CEO | 2025-05-02 | F-InKind | 160.655 | 2025-05-05 |
| AKERS JOHN K | director, officer: PRESIDENT & CEO | 2025-05-02 | M-Exempt | 0 | 2025-05-05 |
| Geiser Edward | director | 2025-04-01 | A-Award | 0 | 2025-04-02 |
| TOLIVER TELISA | director | 2025-03-07 | A-Award | 0 | 2025-03-11 |
| Sampson Richard A | director | 2025-03-07 | A-Award | 0 | 2025-03-11 |
| QUINN NANCY K | director | 2025-03-07 | A-Award | 0 | 2025-03-11 |
| Geiser Edward | director | 2025-03-07 | A-Award | 0 | 2025-03-11 |
| GARZA RAFAEL G | director | 2025-03-07 | A-Award | 0 | 2025-03-11 |
| DONOHUE SEAN | director | 2025-03-07 | A-Award | 0 | 2025-03-11 |
| DONOHUE SEAN | director | 2025-03-08 | M-Exempt | 147.75 | 2025-03-11 |
| DONOHUE SEAN | director | 2025-03-08 | M-Exempt | 0 | 2025-03-11 |