Dale E. Klein - 01 Oct 2025 Form 4 Insider Report for SOUTHERN CO (SO)

Role
Director
Signature
/s/ Brittney Anderson, Attorney-in-Fact for Dale E. Klein
Issuer symbol
SO
Transactions as of
01 Oct 2025
Net transactions value
+$42,500
Form type
4
Filing time
02 Oct 2025, 16:00:06 UTC
Previous filing
02 Jul 2025
Next filing
06 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Klein Dale E. Director 30 IVAN ALLEN JR. BLVD., NW, ATLANTA /s/ Brittney Anderson, Attorney-in-Fact for Dale E. Klein 02 Oct 2025 0001493467

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 $42,500 +448 +0.81% $94.80 55,465 01 Oct 2025 Southern Company Common Stock 448 $0.000000 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.