SOUTHERN CO 4

Southern Company Comptroller Matthew M. Kim sold 1,400 shares of Southern Company Common Stock at about $88.87 per share on September 3, 2026.

On September 3, 2026, Southern Company Comptroller Matthew M. Kim sold 1,400 shares of Southern Company Common Stock in an open-market transaction at an average price of $88.87 per share, for total proceeds of approximately $124,418. Following this sale, Kim directly owns 4,988 shares of Southern Company Common Stock, while an additional 1,222.207 shares are held indirectly in a 401(k) plan. Based on the transaction price, his post-transaction direct holdings are valued at roughly $443,000 and his indirect 401(k) holdings at roughly $108,000, indicating the filing reflects a modest insider sale rather than a large change in ownership.

Filing Facts

CIK

92122

Ticker

SO

Form

4

Source Type

sec

Accession

0001193125-26-383300

Alert Tier

5