Bryan D. Anderson - 13 Feb 2024 Form 4 Insider Report for SOUTHERN CO (SO)

Role: EVP & Pres. External Affairs
Signature: /s/ Myra C. Bierria, Attorney-in-Fact for Bryan D. Anderson
Issuer symbol: SO
Transactions as of: 13 Feb 2024
Net transactions value: -$54,751
Form type: 4
Filing time: 14 Feb 2024, 16:01:30 UTC
Previous filing: 09 Feb 2024
Next filing: 09 Sep 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	+1,677	+3.3%	$0.000000	51,843	13 Feb 2024	Direct	F1
transaction	SO	Southern Company Common Stock	Tax liability	$54,751	-811	-1.6%	$67.51	51,032	13 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	-1,553	-50%	$0.000000	1,553	13 Feb 2024	Southern Company Common Stock	1,553	$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 second 1/3 of performance restricted stock units granted on February 13, 2022. Includes 124 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 February 13, 2022. The remaining 1/3 of the award will vest in 2025. 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.