Southern Company (NYSE: SO) EVP & CHRO Sloane Drake details RSU vesting, share withholding and updated holdings

Rhea-AI Filing Summary

Southern Company executive Sloane N. Drake reported equity compensation activity involving Southern Company Common Stock. On February 6, 2026, the final half of a February 6, 2023 restricted stock unit award vested, converting 3,314 restricted stock units into common shares, including dividend equivalents.

As part of this vesting, 3,698 shares of Southern Company Common Stock were acquired at an exercise price of $0, and 1,649 shares were withheld at a price of $90.8 to cover state and federal tax obligations. Following these transactions, Drake directly beneficially owned 27,312 shares of Southern Company Common Stock and indirectly held 2,589.5985 shares through a 401(k) plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Drake Sloane N

(Last) (First) (Middle)

30 IVAN ALLEN JR BLVD NW

(Street)

ATLANTA GA 30308

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SOUTHERN CO [ SO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & CHRO

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Southern Company Common Stock	02/06/2026		M		3,698(1)	A	$0	28,961	D
Southern Company Common Stock	02/06/2026		F		1,649(2)	D	$90.8	27,312	D
Southern Company Common Stock								2,589.5985	I	401(k)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Southern Co Restricted Stock Units	$0	02/06/2026		M			3,314(3)	(3)	(3)	Southern Company Common Stock	3,314	$0	0	D

Explanation of Responses:

1. Shares acquired upon the vesting of the final 1/2 of restricted stock units granted February 6, 2023. Includes 384 accrued dividend equivalents.

2. Shares withheld to satisfy required state and federal tax withholdings.

3. Represents the final 1/2 of restricted stock units granted on February 6, 2023. Each restricted stock unit represents the right to receive, at settlement, one share of common stock.

	/s/ Brittney Anderson, Attorney-in-Fact for Sloane N. Drake	02/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did SO executive Sloane N. Drake report?

Sloane N. Drake reported the vesting of restricted stock units that converted into Southern Company Common Stock. The filing shows RSUs granted February 6, 2023 reached final vesting on February 6, 2026, resulting in new shares and associated tax withholding.

How many Southern Company (SO) shares were acquired in this Form 4?

Drake acquired 3,698 shares of Southern Company Common Stock at an exercise price of $0 following RSU vesting. These shares arose from 3,314 restricted stock units, which included 384 accrued dividend equivalent units tied to the original February 6, 2023 grant.

How many Southern Company (SO) shares were withheld for taxes?

The filing shows 1,649 Southern Company Common Stock shares were withheld to satisfy required state and federal tax withholdings. These shares were valued at $90.8 per share and reduced the net number of shares retained after the RSU award vested.

What are Sloane N. Drake’s Southern Company (SO) share holdings after the transactions?

After the reported transactions, Drake directly beneficially owned 27,312 shares of Southern Company Common Stock. In addition, the filing lists 2,589.5985 shares held indirectly through a 401(k) plan, reflecting retirement-plan holdings separate from the directly owned shares.

What restricted stock units were involved in this Southern Company (SO) filing?

The filing involves the final half of a restricted stock unit grant made on February 6, 2023. A total of 3,314 restricted stock units, including 384 accrued dividend equivalents, were settled into an equal number of Southern Company Common Stock shares upon vesting.

What is Sloane N. Drake’s role at Southern Company (SO)?

Sloane N. Drake is identified as an officer of Southern Company with the title EVP & CHRO. This means Drake serves as Executive Vice President and Chief Human Resources Officer, and the reported equity transactions relate to compensation in that executive role.