SO Filing
4Filing Date: Aug 7, 2026
SOUTHERN CO (SO) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0001193125-26-340057open_in_new
Total Value$313.4K
Trades2
Insiders1
Transaction Details
Spainhour Sterling A Jr.
EVP & CLO·Direct
Sell · Dispose
Southern Company Common Stock
Shares-3.33K
Price$94.02
Total Value$313.4K
Shares Owned After35.22K
Transaction DateAug 6, 2026
10b5-1
Spainhour Sterling A Jr.
EVP & CLO·Indirect · 401(k)
Southern Company Common Stock
Shares0
Price-
Total Value$0
Shares Owned After951.33
10b5-1Holding Only
Post-Transaction Holdings
Spainhour Sterling A Jr.
| Security | Shares | Change |
|---|---|---|
| Southern Company Common Stock | 36.17K | -3.33K (-8.44%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-08-06
10b5-1 Pre-arranged Plan: Yes
--- Issuer ---
Name: SOUTHERN CO (SO)
CIK: 0000092122
--- Reporting Owner ---
Name: Spainhour Sterling A Jr.
CIK: 0001849295
Role: Officer (EVP & CLO)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Southern Company Common Stock
Date: 2026-08-06 | Code: S (Open market sale)
Shares: -3,333 | Price: $94.02
Total Value: $313,368.66
Shares Owned After: 35,219 | Ownership: D (Direct)
--- Holdings ---
[Holding #1]
Security: Southern Company Common Stock
Ownership: I (Indirect)
--- Signature ---
/s/ /s/ Brittney Anderson, Attorney-in-Fact for Sterling A. Spainhour (2026-08-07)