Southern Company director Johns receives stock grant

Settlement follows the end of John D. Johns's Board service, on dates he specifies under the deferred compensation plan.

Rhea-AI Filing Summary

Southern Company director John D. Johns acquired 539.1159 deferred stock units on October 1, 2026, as a quarterly director equity retainer under the Southern Company 2021 Equity and Incentive Compensation Plan, deferred under the Deferred Compensation Plan for Outside Directors of The Southern Company. The reported price was $83.4700 per unit. Each unit represents the right to receive one common share. His reported direct position after the transaction was 89,846.2272 units, including additional units acquired through dividend reinvestment. The units are settled in shares following the end of Board service, on dates Johns specifies under the plan.

Insider Trade Summary

Grant/Award: 539.1159 shares

Grant/Award 1 txn

Insider JOHNS JOHN D

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Stock Units Holding F1, F2, F3	539.1159	$83.47	$45K

Holdings After Transaction: Deferred Stock Units Holding — 89,846.2272 contracts (Direct)

Footnotes (3)

1. F1. 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. F2. 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. F3. Includes additional deferred stock units acquired through the dividend reinvestment feature of the Deferred Compensation Plan.

Key Figures

Deferred stock units acquired: 539.1159 units Reported price per unit: $83.4700 per unit Direct deferred stock unit position after transaction: 89,846.2272 units

3 metrics

Deferred stock units acquired 539.1159 units October 1, 2026; quarterly director equity retainer

Reported price per unit $83.4700 per unit Deferred stock unit acquisition on October 1, 2026

Direct deferred stock unit position after transaction 89,846.2272 units Includes additional units acquired through the dividend reinvestment feature

Key Terms

deferred stock unit, Deferred Compensation Plan, dividend reinvestment feature

3 terms

deferred stock unit financial

"Each deferred stock unit represents the right to receive one share"

A deferred stock unit (DSU) is a promise from a company to give an employee or director the value of a share at a future date, paid in actual shares or cash when certain conditions are met (such as retirement or a set date). Think of it like a gift card that converts to company stock later; it aligns pay with long‑term performance and can affect future share count, compensation expense and potential cash needs, so investors watch DSUs for their impact on dilution and company finances.

Deferred Compensation Plan financial

"Deferred Compensation Plan for Outside Directors of The Southern Company"

A deferred compensation plan is an arrangement where an employer agrees to pay part of an employee’s pay or bonus at a later date instead of immediately, often to reduce current tax bills or to tie rewards to long-term performance. For investors it matters because these promises create future cash obligations and influence executive incentives and retention; they can affect a company’s reported liabilities, cash flow planning and the risk profile if the business faces financial trouble.

dividend reinvestment feature financial

"acquired through the dividend reinvestment feature"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many deferred stock units did SO director John D. Johns acquire?

John D. Johns acquired 539.1159 deferred stock units on October 1, 2026, with a reported price of $83.4700 per unit. The units represent his quarterly director equity retainer and were deferred under the Deferred Compensation Plan for Outside Directors of The Southern Company.

When are John D. Johns's deferred stock units settled?

The units are settled in Southern Company common shares on dates following the end of his Board service, as specified by Johns under the Deferred Compensation Plan for Outside Directors of The Southern Company.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/05/2026 - 02:15 PM Accepted by SEC EDGAR 10/05/2026 - 02:15 PM Learn about SEC filing dates

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^*

JOHNS JOHN D

(Last) (First) (Middle)

30 IVAN ALLEN JR. BLVD., NW

(Street)

ATLANTA GEORGIA 30308

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

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

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

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

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	10/01/2026		A		539.1159		(2)	(2)	Southern Company Common Stock	539.1159	$83.47	89,846.2272(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 John D. Johns	10/05/2026
	** 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.
* Form 4: SEC 1474 (03-26)