15 insiders reported 146 Form 4 transactions for SOUTHERN CO (SO) over the past 18 months (most recent 2026-08-07). Recent activity: Spainhour Sterling A Jr. (EVP & CLO) Sell 3,333 shares, Kim Matthew M. (Comptroller) Sell 100 shares, Kim Matthew M. (Comptroller) Sell 100 shares, Sena Peter P III (Chairman,President & CEO, SNC) Buy 712 shares, Sena Peter P III (Chairman,President & CEO, SNC) Sell 316 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-07 | Spainhour Sterling A Jr. | EVP & CLO | Sell | 3,333 | $313,369 |
| 2026-08-04 | Kim Matthew M. | Comptroller | Sell | 100 | $9,428 |
| 2026-07-02 | Kim Matthew M. | Comptroller | Sell | 100 | $9,577 |
| 2026-06-29 | Sena Peter P III | Chairman,President & CEO, SNC | Buy | 712 | $0 |
| 2026-06-29 | Sena Peter P III | Chairman,President & CEO, SNC | Sell | 316 | $30,703 |
| 2026-06-01 | Kim Matthew M. | Comptroller | Sell | 100 | $9,116 |
| 2026-05-26 | WOMACK CHRISTOPHER C | Chairman, President & CEO | Buy | 7,662 | $0 |
| 2026-05-26 | WOMACK CHRISTOPHER C | Chairman, President & CEO | Sell | 3,414 | $322,794 |
| 2026-05-04 | Kim Matthew M. | Comptroller | Sell | 100 | $9,657 |
| 2026-04-02 | Kim Matthew M. | Comptroller | Buy | 82 | $0 |
| 2026-04-02 | Kim Matthew M. | Comptroller | Sell | 82 | $7,949 |
| 2026-03-31 | Greene Kimberly S, | Chairman, President & CEO, GPC | Sell | 25,000 | $2.4M |
| 2026-03-19 | Connally Stan W | EVP & COO | Sell | 12,500 | $1.2M |
| 2026-03-19 | Cummiskey Christopher | EVP | Sell | 6,669 | $643,892 |
| 2026-03-10 | Spainhour Sterling A Jr. | EVP & CLO | Sell | 6,330 | $618,062 |
| 2026-03-10 | Drake Sloane N | EVP & CHRO | Buy | 1,420 | $0 |
| 2026-03-10 | Drake Sloane N | EVP & CHRO | Sell | 633 | $61,705 |
| 2026-03-02 | EARLEY ANTHONY F JR | Director | Sell | 15,000 | $0 |
| 2026-02-25 | Kim Matthew M. | Comptroller | Sell | 5,123 | $487,453 |
| 2026-02-17 | WOMACK CHRISTOPHER C | Chairman, President & CEO | Buy | 62,223 | $0 |
| 2026-02-17 | WOMACK CHRISTOPHER C | Chairman, President & CEO | Sell | 52,259 | $4.7M |
| 2026-02-17 | WOMACK CHRISTOPHER C | Chairman, President & CEO | Buy | 13,751 | $0 |
| 2026-02-17 | WOMACK CHRISTOPHER C | Chairman, President & CEO | Sell | 6,772 | $615,304 |
| 2026-02-17 | WOMACK CHRISTOPHER C | Chairman, President & CEO | Buy | 117,327 | $0 |
| 2026-02-17 | WOMACK CHRISTOPHER C | Chairman, President & CEO | Sell | 27,715 | $2.5M |
Source: SEC Form 4 filings · as of 2026-08-07