4Filing Date: Sep 4, 2026

Southern

Statement of Changes in Beneficial Ownership

View SEC Filing
ACC: 0001193125-26-383301
Total Value$377.9K
Trades1
Insiders1

Transaction Details

Sena Peter P III
Chairman,President & CEO, SNC·Direct
Sell · Dispose
Southern Company Common Stock
Shares-4.27K
Price$88.59
Total Value$377.9K
Shares Owned After26.93K
Transaction DateSep 3, 2026
10b5-1

Post-Transaction Holdings

Sena Peter P III · Chairman,President & CEO, SNC
SecuritySharesChange
Southern Company Common Stock26.93K-4.27K (-13.67%)
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-03 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: SOUTHERN CO (SO) CIK: 0000092122 --- Reporting Owner --- Name: Sena Peter P III CIK: 0002023851 Role: Officer (Chairman,President & CEO, SNC) --- Non-Derivative Transactions --- [Transaction #1] Security: Southern Company Common Stock Date: 2026-09-03 | Code: S (Open market sale) Shares: -4,266 | Price: $88.59 Total Value: $377,924.94 Shares Owned After: 26,935 | Ownership: D (Direct) --- Signature --- /s/ /s/ Brittney Anderson, Attorney-in-Fact for Peter P. Sena, III (2026-09-03)

keid analysis is for reference only and does not constitute investment advice.