David P. Poroch - 01 Feb 2024 Form 4 Insider Report for SOUTHERN CO (SO)

Role: Comptroller
Signature: /s/Myra C. Bierria, Attorney-in-Fact for David P. Poroch
Issuer symbol: SO
Transactions as of: 01 Feb 2024
Net transactions value: -$14,594
Form type: 4
Filing time: 02 Feb 2024, 16:43:33 UTC
Previous filing: 18 Jan 2024
Next filing: 06 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	+684	+2.4%	$0.000000	29,375	01 Feb 2024	Direct	F1
transaction	SO	Southern Company Common Stock	Tax liability	$14,594	-207	-0.7%	$70.50	29,168	01 Feb 2024	Direct	F2
holding	SO	Southern Company Common Stock						4,620	01 Feb 2024	401K

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	Southern Co Restricted Stock Units	Options Exercise	$0	-656	-33%	$0.000000	1,310	01 Feb 2024	Southern Company Common Stock	656	$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 first 1/3 of restricted stock units granted on February 1, 2023. Includes 28 accrued dividend equivalent units.
F2	Shares withheld to satisfy required state and federal tax withholding requirements.
F3	Represents first 1/3 of restricted stock units granted on February 1, 2023. The remaining award will vest 1/3 in 2025 and 1/3 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.