Stephen E. Kuczynski - 11 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: 11 Feb 2022
Net transactions value: -$208,385
Form type: 4
Filing time: 14 Feb 2022, 18:08:44 UTC
Previous filing: 11 Feb 2022
Next filing: 15 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	+3,639	+4.4%	$0.000000	85,497	11 Feb 2022	Direct	F1
transaction	SO	Southern Company Common Stock	Tax liability	$111,005	-1,662	-1.9%	$66.79	83,835	11 Feb 2022	Direct	F2
transaction	SO	Southern Company Common Stock	Options Exercise	$0	+3,229	+3.9%	$0.000000	87,064	11 Feb 2022	Direct	F3
transaction	SO	Southern Company Common Stock	Tax liability	$97,380	-1,458	-1.7%	$66.79	85,606	11 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	-3,207	-100%	$0.000000^*	0	11 Feb 2022	Southern Company Common Stock	3,207	$0.000000	Direct	F4
transaction	SO	Performance Restricted Stock Units	Options Exercise	$0	-2,971	-50%	$0.000000	2,972	11 Feb 2022	Southern Company Common Stock	2,971	$0.000000	Direct	F5

* 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 11, 2019. Includes 432 accrued dividend equivalent units.
F2	Shares withheld to satisfy required state and federal tax withholding requirements.
F3	Shares acquired upon vesting of second 1/3 of performance restricted stock units granted on February 11, 2020. Includes 258 accrued dividend equivalent units.
F4	Represents final 1/3 of performance restricted stock units granted on February 11, 2019. 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.
F5	Represents second 1/3 of performance restricted stock units granted on February 11, 2020. The remaining 1/3 of the award will vest in 2023. Each performance 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.