Christopher C. Womack - May 24, 2025 Form 4 Insider Report for SOUTHERN CO (SO)

Role: Chairman, President & CEO
Signature: /s/ Brittney Anderson, Attorney-in-Fact for Christopher C. Womack
Stock symbol: SO
Transactions as of: May 24, 2025
Transactions value $: -$253,502
Form type: 4
Date filed: 5/27/2025, 05:30 PM
Previous filing: May 19, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
WOMACK CHRISTOPHER C	Chairman, President & CEO	30 IVAN ALLEN JR BLVD NW, ATLANTA	/s/ Brittney Anderson, Attorney-in-Fact for Christopher C. Womack	2025-05-27	0001195423

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SO	Southern Company Common Stock	Options Exercise	$659K	+7.36K	+8.38%	$89.64	95.1K	May 24, 2025	Direct	F1
transaction	SO	Southern Company Common Stock	Tax liability	-$294K	-3.29K	-3.45%	$89.64	91.8K	May 24, 2025	Direct	F2
holding	SO	Southern Company Common Stock						2.5K	May 24, 2025	By 401(k)

Showing 1 to 3 of 3 entries

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SO	Performance Restricted Stock Units	Options Exercise	-$618K	-6.9K	-50%	$89.64	6.9K	May 24, 2025	Southern Company Common Stock	6.9K	$0.00	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares acquired upon vesting of second 1/3 of performance restricted stock units granted on May 24, 2023. Includes 457 accrued dividend equivalent units.
F2	Shares withheld to satisfy required state and federal tax withholding requirements.
F3	Represents second 1/3 of performance restricted stock units granted on May 24, 2023. The remaining award will vest in 2026. Each restricted stock unit represents the right to receive, at settlement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.