Shantella E. Cooper - Oct 1, 2025 Form 4 Insider Report for SOUTHERN CO (SO)

Role
Director
Signature
/s/ Brittney Anderson, Attorney-in-Fact for Shantella E. Cooper
Stock symbol
SO
Transactions as of
Oct 1, 2025
Transactions value $
$72,500
Form type
4
Date filed
10/2/2025, 04:00 PM
Previous filing
Aug 5, 2025
Next filing
Nov 3, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Cooper Shantella E. Director 30 IVAN ALLEN JR. BLVD., NW, ATLANTA /s/ Brittney Anderson, Attorney-in-Fact for Shantella E. Cooper 2025-10-02 0001698291

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SO Deferred Stock Units Holding Award $72.5K +765 +2.58% $94.80 30.4K Oct 1, 2025 Southern Company Common Stock 765 $0.00 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.