STOCK TITAN

Southern (NYSE: SO) CEO Womack reports stock vesting and tax withholdings

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Southern Company Chairman, President & CEO Christopher C. Womack reported multiple equity transactions tied to performance-based stock awards on January 31 and February 1, 2026. Performance restricted stock units granted in 2023 and 2024 partially vested, resulting in common shares being issued at a conversion price of $0 per share.

On January 31, he acquired 14,159 Southern Company common shares from vesting units, with 5,975 shares withheld at $89.31 per share for tax obligations. On February 1, he acquired 4,812 shares from another vesting tranche, with 2,166 shares withheld at the same price for taxes. Following these transactions, he directly held 102,642.8806 common shares and indirectly held 2,561.6333 shares through a 401(k) plan.

Positive

  • None.

Negative

  • None.
Insider WOMACK CHRISTOPHER C
Role Chairman, President & CEO
Type Security Shares Price Value
Exercise Performance Restricted Stock Units 4,313 $0.00 --
Exercise Southern Company Common Stock 4,812 $0.00 --
Tax Withholding Southern Company Common Stock 2,166 $89.31 $193K
Exercise Performance Restricted Stock Units 13,215 $0.00 --
Exercise Southern Company Common Stock 14,159 $0.00 --
Tax Withholding Southern Company Common Stock 5,975 $89.31 $534K
holding Southern Company Common Stock -- -- --
Holdings After Transaction: Performance Restricted Stock Units — 0 shares (Direct); Southern Company Common Stock — 104,808.881 shares (Direct); Southern Company Common Stock — 2,561.633 shares (Indirect, By 401(k))
Footnotes (1)
  1. Shares acquired upon vesting of second 1/3 of performance restricted stock units granted on January 31, 2024. Includes 944 accrued dividend equivalent units. Shares withheld to satisfy required state and federal tax withholding requirements. Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 1, 2023. Includes 499 accrued dividend equivalent units. Represents final 1/3 of performance restricted stock units granted on February 1, 2023. 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. Represents second 1/3 of performance restricted stock units granted on January 31, 2024. The remaining award will vest in 2027. 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.
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
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
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*
WOMACK CHRISTOPHER C

(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)
Chairman, President & CEO
3. Date of Earliest Transaction (Month/Day/Year)
01/31/2026
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 01/31/2026 M 14,159(1) A $0 105,971.8806 D
Southern Company Common Stock 01/31/2026 F 5,975(2) D $89.31 99,996.8806 D
Southern Company Common Stock 02/01/2026 M 4,812(3) A $0 104,808.8806 D
Southern Company Common Stock 02/01/2026 F 2,166(2) D $89.31 102,642.8806 D
Southern Company Common Stock 2,561.6333 I By 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
Performance Restricted Stock Units $0 02/01/2026 M 4,313(4) (4) (4) Southern Company Common Stock 4,313 $0 0 D
Performance Restricted Stock Units $0 01/31/2026 M 13,215(5) (5) (5) Southern Company Common Stock 13,215 $0 13,216 D
Explanation of Responses:
1. Shares acquired upon vesting of second 1/3 of performance restricted stock units granted on January 31, 2024. Includes 944 accrued dividend equivalent units.
2. Shares withheld to satisfy required state and federal tax withholding requirements.
3. Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 1, 2023. Includes 499 accrued dividend equivalent units.
4. Represents final 1/3 of performance restricted stock units granted on February 1, 2023. 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.
5. Represents second 1/3 of performance restricted stock units granted on January 31, 2024. The remaining award will vest in 2027. 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.
/s/ Brittney Anderson, Attorney-in-Fact for Christopher C. Womack 02/03/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did SO CEO Christopher C. Womack report?

Christopher C. Womack reported vesting of performance restricted stock units that converted into Southern Company common shares, plus related tax withholdings. The transactions occurred on January 31 and February 1, 2026, and involved both derivative units and underlying common stock.

How many Southern Company (SO) shares did Womack acquire and withhold for taxes?

He acquired 14,159 common shares on January 31 and 4,812 on February 1 through vesting awards. To cover state and federal tax withholding, 5,975 shares and 2,166 shares, respectively, were withheld at a price of $89.31 per share.

What are performance restricted stock units in the SO Form 4 filing?

Performance restricted stock units are awards that convert into common stock if performance and time conditions are met. Each unit represents the right to receive one Southern Company share at settlement, with additional units credited as deemed dividends before vesting and settlement.

How many Southern Company (SO) shares does Womack own after these transactions?

After the reported transactions, Womack directly owned 102,642.8806 Southern Company common shares. He also indirectly held 2,561.6333 additional shares through a 401(k) plan, reflecting retirement-plan holdings separate from his directly registered share position.

Were any of Womack’s Southern Company shares sold on the open market?

The Form 4 shows shares being withheld at $89.31 per share to satisfy tax obligations, coded as “F” transactions. These withholdings are distinct from discretionary open-market sales and are tied to the vesting of performance-based stock awards.

What do the dividend equivalent units mentioned in the SO filing represent?

Dividend equivalent units are additional performance restricted stock units credited when dividends are paid on common stock. The filing notes that vested tranches included accrued dividend equivalents, increasing the total number of units that ultimately converted into Southern Company common shares.