SO Filing
4Filing Date: Jul 2, 2026

SOUTHERN CO (SO) · Insider Trading (Form 4) SEC Filing

Statement of Changes in Beneficial Ownership

descriptionView SEC Filing
ACC: 0001193125-26-293689open_in_new
Total Value$76.2K
Trades1
Insiders1

Transaction Details

MEADOR DAVID E
Director·Direct
Grant · Acquire
Deferred Stock Units HoldingDerivative
Shares+801.62
Price$95.12
Total Value$76.2K
Shares Owned After9.45K
Transaction DateJul 1, 2026
Footnotes ▸

Represents quarterly director cash and equity retainers 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. | 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.

Post-Transaction Holdings

MEADOR DAVID E
SecuritySharesChange
Deferred Stock Units Holding9.45K+801.62 (9.27%)
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: SOUTHERN CO (SO) CIK: 0000092122 --- Reporting Owner --- Name: MEADOR DAVID E CIK: 0001167313 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Deferred Stock Units Holding Date: 2026-07-01 | Code: A (Grant or award) Shares: +801.619 | Price: $95.12 Shares Owned After: 9,452.0657 | Ownership: D (Direct) Footnotes: [F1] Represents quarterly director cash and equity retainers 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. [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. [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. [F3] Includes additional deferred stock units acquired through the dividend reinvestment feature of the Deferred Compensation Plan. --- Footnotes (Complete Index) --- F1: Represents quarterly director cash and equity retainers 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. 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. F3: Includes additional deferred stock units acquired through the dividend reinvestment feature of the Deferred Compensation Plan. --- Signature --- /s/ /s/ Brittney Anderson, Attorney-in-Fact for David E. Meador (2026-07-02)

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