Martin Bernard Davis - 03 Feb 2024 Form 4 Insider Report for SOUTHERN CO (SO)

Role: EVP and CIO
Signature: /s/ Myra C. Bierria, Attorney-in-Fact for Martin B. Davis
Issuer symbol: SO
Transactions as of: 03 Feb 2024
Net transactions value: -$65,835
Form type: 4
Filing time: 06 Feb 2024, 16:24:02 UTC
Previous filing: 02 Nov 2023
Next filing: 09 Feb 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SO	Southern Company Common Stock	Options Exercise	$0	+1,929	+2.7%	$0.000000	74,685	03 Feb 2024	Direct	F1
transaction	SO	Southern Company Common Stock	Tax liability	$65,835	-959	-1.3%	$68.65	73,726	03 Feb 2024	Direct	F2

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	$0	-1,713	-100%	$0.000000^*	0	03 Feb 2024	Southern Company Common Stock	1,713	$0.000000	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 final 1/3 of performance restricted stock units granted on February 3, 2021. Includes 216 accrued dividend equivalent units.
F2	Shares withheld to satisfy required state and federal tax withholding requirements.
F3	Represents final 1/3 of performance restricted stock units granted on February 3, 2021. 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.