[Form 4] SOUTHERN CO Insider Trading Activity

Rhea-AI Filing Summary

Janaki Akella, a Southern Company (SO) director, acquired 448.3122 Deferred Stock Units under Southern's Deferred Compensation Plan on 10/01/2025. The units are payable in Southern Company common stock only upon termination and have no exercise or expiration date. The filing shows a per-unit price of $94.80 and reports 19,237.0652 shares beneficially owned by the reporting person after the transaction. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person on 10/02/2025.

Positive

• Acquisition of 448.3122 Deferred Stock Units under Southern's Deferred Compensation Plan on 10/01/2025
• Units payable only in common stock upon termination, which aligns director compensation with shareholder outcomes

Negative

• None.

Insights

Corporate Governance Analyst

Director received deferred stock units, aligning compensation with shareholder outcomes.

The filing confirms a non-cash acquisition of 448.3122 Deferred Stock Units under the company's Deferred Compensation Plan that will be paid in common stock only upon termination. This preserves alignment between the director's compensation and long-term shareholder value because payout is in company stock and lacks an exercise/expiration schedule.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Akella Janaki

(Last) (First) (Middle)

30 IVAN ALLEN JR. BLVD., NW

(Street)

ATLANTA GA 30308

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SOUTHERN CO [ SO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Deferred Stock Units Holding(1)	$0	10/01/2025		A		448.3122		(1)	(1)	Southern Company Common Stock	448.3122	$94.8	19,237.0652	D

Explanation of Responses:

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

	/s/ Brittney Anderson, Attorney-in-Fact for Janaki Akella	10/02/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did Janaki Akella report on the Form 4 for SO?

Acquired 448.3122 Deferred Stock Units on 10/01/2025 under Southern's Deferred Compensation Plan.

How many Southern Company shares does the reporting person own after the transaction?

19,237.0652 shares beneficially owned following the reported transaction.

What is the payout structure for the Deferred Stock Units reported?

Payable in Southern Company common stock only upon termination; there is no exercise or expiration date.

What per-unit price is shown on the Form 4 for the units acquired?

$94.80 per unit is reported in the filing.

When was the Form 4 signed and filed for this transaction?

Signed by attorney-in-fact on 10/02/2025 reporting a 10/01/2025 transaction date.