Southern Company (NYSE: SO) director awarded deferred stock units

Rhea-AI Filing Summary

Southern Company director Kristine L. Svinicki reported a new deferred stock unit grant linked to company shares. On 01/02/2026 she acquired 516.055 deferred stock units at a reference price of $87.2 per unit as part of her quarterly director equity retainer under the Southern Company 2021 Equity and Incentive Compensation Plan.

Each deferred stock unit represents the right to receive one share of Southern Company common stock, and the units are settled in shares after her service on the Board ends, as specified under the Deferred Compensation Plan for Outside Directors. Following this transaction, she beneficially owned 10,488.3045 deferred stock units, a figure that also reflects additional units accumulated through the plan’s dividend reinvestment feature.

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
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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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Svinicki Kristine L

(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)
01/02/2026

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	01/02/2026		A		516.055		(2)	(2)	Southern Company Common Stock	516.055	$87.2	10,488.3045(3)	D

Explanation of Responses:

1. Represents quarterly director equity retainer paid under the Southern Company 2021 Equity and Incentive Compensation Plan and deferred pursuant to the Deferred Compensation Plan for Outside Directors of The Southern Company (Deferred Compensation Plan). Each deferred stock unit represents the right to receive one share of Southern Company common stock.

2. Deferred stock units are settled in shares of Southern Company common stock on the date(s) following the termination of the reporting person's service on the Board as specified by the reporting person pursuant to the Deferred Compensation Plan. There is no exercise or expiration date.

3. Includes additional deferred stock units acquired through the dividend reinvestment feature of the Deferred Compensation Plan.

	/s/ Brittney Anderson, Attorney-in-Fact for Kristine L. Svinicki	01/06/2026
	** 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 insider transaction did Southern Company (SO) disclose for Kristine L. Svinicki?

Kristine L. Svinicki, a director of Southern Company, acquired 516.055 deferred stock units on 01/02/2026 as part of her quarterly director equity retainer under the company’s 2021 Equity and Incentive Compensation Plan.

What do the deferred stock units reported for Southern Company (SO) represent?

Each deferred stock unit represents the right to receive one share of Southern Company common stock, delivered under the Deferred Compensation Plan for Outside Directors after the director’s Board service ends.

How many Southern Company (SO) deferred stock units does Kristine L. Svinicki now beneficially own?

After the 01/02/2026 grant of 516.055 units, Kristine L. Svinicki beneficially owned 10,488.3045 deferred stock units, including additional units acquired through the plan’s dividend reinvestment feature.

What was the reference price for the newly acquired Southern Company (SO) deferred stock units?

The newly acquired 516.055 deferred stock units were recorded at a price of $87.2 per unit for this equity retainer transaction.

When will the Southern Company (SO) deferred stock units for Kristine L. Svinicki be settled?

The deferred stock units are settled in shares of Southern Company common stock on the date or dates after the termination of Kristine L. Svinicki’s service on the Board, as specified by her under the Deferred Compensation Plan. The units have no exercise or expiration date.

How are additional Southern Company (SO) deferred stock units accumulated under the plan?

The reported total of 10,488.3045 deferred stock units includes additional units acquired through the dividend reinvestment feature of the Deferred Compensation Plan for Outside Directors.