Form4insider filings, from the source

SEC Form 4 · accession 0001193125-26-340057

SOUTHERN CO · SO

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Sterling A Spainhour Jr.
Officer — EVP & CLO
Period of report
Aug 6, 2026
Accepted (ET)
Aug 7, 2026 · 3:00 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0000092122

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Southern Company Common StockAug 6, 2026S3,333$94.02D35,219D
Southern Company Common Stockholding———951I401(k)

Table II — derivative securities

No Table II lines on this filing.