4Filing Date: Sep 4, 2026

Southern

Statement of Changes in Beneficial Ownership

View SEC Filing
ACC: 0001193125-26-383300
Total Value$124.4K
Trades2
Insiders1

Transaction Details

Kim Matthew M.
Comptroller·Direct
Sell · Dispose
Southern Company Common Stock
Shares-1.40K
Price$88.87
Total Value$124.4K
Shares Owned After4.99K
Transaction DateSep 3, 2026
Kim Matthew M.
Comptroller·Indirect · 401(k)
Southern Company Common Stock
Shares0
Price-
Total Value$0
Shares Owned After1.22K

Post-Transaction Holdings

Kim Matthew M. · Comptroller
SecuritySharesChange
Southern Company Common Stock6.21K-1.40K (-18.40%)
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: No --- Issuer --- Name: SOUTHERN CO (SO) CIK: 0000092122 --- Reporting Owner --- Name: Kim Matthew M. CIK: 0002082705 Role: Officer (Comptroller) --- Non-Derivative Transactions --- [Transaction #1] Security: Southern Company Common Stock Date: 2026-09-03 | Code: S (Open market sale) Shares: -1,400 | Price: $88.87 Total Value: $124,418.00 Shares Owned After: 4,988 | Ownership: D (Direct) --- Holdings --- [Holding #1] Security: Southern Company Common Stock Ownership: I (Indirect) --- Signature --- /s/ /s/ Brittney Anderson, Attorney-in-Fact for Matthew M. Kim (2026-09-04)

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