Southern Company (SO) director reports deferred stock unit grant

Rhea-AI Filing Summary

Southern Company director reports deferred stock unit grant

A Southern Company director, James O. Etheredge, reported receiving a quarterly director equity retainer in the form of deferred stock units under the Southern Company 2021 Equity and Incentive Compensation Plan. On 01/02/2026, he acquired 516.055 deferred stock units, each representing the right to receive one share of Southern Company common stock, and held 1,911.0811 deferred stock units beneficially after the transaction. The grant was deferred pursuant to the Deferred Compensation Plan for Outside Directors, with units to be settled in shares of common stock after his service on the Board ends, as specified by him. The total includes additional units from the plan’s dividend reinvestment feature.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Etheredge James O

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Stock Units Holding	516.055	$87.20	$45K

Holdings After Transaction: Deferred Stock Units Holding — 1,911.081 shares (Direct)

Footnotes (1)

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

Form 4 Insider Transactions: What Each Field Means →

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).

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^*

Etheredge James O

(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	1,911.0811(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 James O. Etheredge	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 in this Form 4?

The filing reports that director James O. Etheredge received a quarterly director equity retainer in the form of deferred stock units under the Southern Company 2021 Equity and Incentive Compensation Plan, deferred through the Deferred Compensation Plan for Outside Directors.

How many Southern Company (SO) deferred stock units were granted to the director?

On 01/02/2026, the director acquired 516.055 deferred stock units, with each unit representing the right to receive one share of Southern Company common stock.

How many Southern Company (SO) deferred stock units does the director hold after this transaction?

Following the reported transaction, the director beneficially owned 1,911.0811 deferred stock units, according to the Form 4.

When are the Southern Company (SO) deferred stock units settled for the director?

The deferred stock units are settled in shares of Southern Company common stock on date(s) following the termination of the director’s service on the Board, as specified by the director under the Deferred Compensation Plan for Outside Directors.

Do the Southern Company (SO) deferred stock units have an exercise or expiration date?

The filing states that there is no exercise or expiration date for these deferred stock units.

How are dividends handled for the Southern Company (SO) deferred stock units?

The filing notes that the director’s holdings include additional deferred stock units acquired through the dividend reinvestment feature of the Deferred Compensation Plan.