| Filed | Form | Description | |
|---|---|---|---|
| 5/13/25 | DEFA14A | DEFA14A | → |
| 4/11/25 | DEFA14A | DEFA14A | → |
| 4/11/25 | DEF 14A | DEF 14A | → |
| 3/31/25 | PRE 14A | PRE 14A | → |
| 5/14/24 | DEFA14A | DEFA14A | → |
| 4/12/24 | DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | → |
| ↓ | |||
| Filed | Form | Description | |
|---|---|---|---|
| 3/2/26 | 4 | 4 | → |
| 2/25/26 | 4 | 4 | → |
| 2/17/26 | 4 | 4 | → |
| 2/13/26 | 4 | 4 | → |
| 2/13/26 | 4 | 4 | → |
| 2/13/26 | 4 | 4 | → |
| ↓ | |||
Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama.