Stephen E. Kuczynski - 13 Feb 2022 Form 4 Insider Report for SOUTHERN CO (SO)

Role: Pres. & CEO, Southern Nuclear
Signature: /s/ Marcia R. DeMar, Attorney-in-Fact for Stephen E. Kuczynski
Issuer symbol: SO
Transactions as of: 13 Feb 2022
Net transactions value: -$1,646,641
Form type: 4
Filing time: 15 Feb 2022, 16:45:47 UTC
Previous filing: 14 Feb 2022
Next filing: 28 Feb 2022
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	+3,680	+4.3%	$0.000000	89,286	13 Feb 2022	Direct	F1
transaction	SO	Southern Company Common Stock	Tax liability	$110,938	-1,661	-1.9%	$66.79	87,625	13 Feb 2022	Direct	F2
transaction	SO	Southern Company Common Stock	Award	$0	+50,952	+58%	$0.000000	138,577	13 Feb 2022	Direct	F3
transaction	SO	Southern Company Common Stock	Tax liability	$1,535,702	-22,993	-17%	$66.79	115,584	13 Feb 2022	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	-3,532	-33%	$0.000000	7,063	13 Feb 2022	Southern Company Common Stock	3,532	$0.000000	Direct	F4

* 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 first 1/3 of performance restricted stock units granted on February 3, 2021. The Compensation Committee and Management Succession Committee certified performance on February 13, 2022. Includes 148 accrued dividend equivalent units.
F2	Shares withheld to satisfy required state and federal tax withholding requirements.
F3	Shares acquired upon vesting of performance share units under Company's Performance Share Program for the 2019-2021 award. The Compensation and Management Succession Committee certified performance on February 13, 2022. Includes accrued dividend equivalent units.
F4	Represents first 1/3 of performance restricted stock units granted on February 3, 2021. The remaining award will vest 1/3 in 2023 and 1/3 in 2024. 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.