SOUTHERN CO — Director's Dealing 2026

Feb 10, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SOUTHERN CO (SO)
CIK: 0000092122
Period of Report: 2026-02-06

Reporting Person: Drake Sloane N (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-06	Southern Company Common Stock	M	3698	—	Acquired	28961	Direct
2026-02-06	Southern Company Common Stock	F	1649	$90.8	Disposed	27312	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-06	Southern Co Restricted Stock Units	$0	M	3314	Disposed		Southern Company Common Stock (3314)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Southern Company Common Stock	2589.5985	Indirect

Footnotes

F1: Shares acquired upon the vesting of the final 1/2 of restricted stock units granted February 6, 2023. Includes 384 accrued dividend equivalents.

F2: Shares withheld to satisfy required state and federal tax withholdings.

F3: Represents the final 1/2 of restricted stock units granted on February 6, 2023. Each restricted stock unit represents the right to receive, at settlement, one share of common stock.