STOCK TITAN

Southern Company (SO) director reports new deferred stock unit grant

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Southern Company director Shantella E. Cooper reported a routine equity compensation grant. On 01/02/2026, she received 516.055 deferred stock units as her quarterly director equity retainer under the Southern Company 2021 Equity and Incentive Compensation Plan, deferred into the Deferred Compensation Plan for Outside Directors.

Each deferred stock unit represents the right to receive one share of Southern Company common stock, with settlement in shares after her board service ends as specified under the plan. The filing shows a reference stock price of $87.2 and indicates that Cooper beneficially owns 31,166.7314 deferred stock units following this transaction, including units acquired through the plan’s dividend reinvestment feature.

Positive

  • None.

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Insider Cooper Shantella E.
Role Director
Type Security Shares Price Value
Grant/Award Deferred Stock Units Holding 516.055 $87.20 $45K
Holdings After Transaction: Deferred Stock Units Holding — 31,166.731 shares (Direct)
Footnotes (1)
  1. Represents quarterly director equity retainer paid under the Southern Company 2021 Equity and Incentive Compensation Plan and deferred pursuant to the Deferred Compensation Plan for Outside Directors of The Southern Company (Deferred Compensation Plan). Each deferred stock unit represents the right to receive one share of Southern Company common stock. Deferred stock units are settled in shares of Southern Company common stock on the date(s) following the termination of the reporting person's service on the Board as specified by the reporting person pursuant to the Deferred Compensation Plan. There is no exercise or expiration date. Includes additional deferred stock units acquired through the dividend reinvestment feature of the Deferred Compensation 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
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*
Cooper Shantella E.

(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)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026
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
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
Deferred Stock Units Holding(1) $0 01/02/2026 A 516.055 (2) (2) Southern Company Common Stock 516.055 $87.2 31,166.7314(3) D
Explanation of Responses:
1. Represents quarterly director equity retainer paid under the Southern Company 2021 Equity and Incentive Compensation Plan and deferred pursuant to the Deferred Compensation Plan for Outside Directors of The Southern Company (Deferred Compensation Plan). Each deferred stock unit represents the right to receive one share of Southern Company common stock.
2. Deferred stock units are settled in shares of Southern Company common stock on the date(s) following the termination of the reporting person's service on the Board as specified by the reporting person pursuant to the Deferred Compensation Plan. There is no exercise or expiration date.
3. Includes additional deferred stock units acquired through the dividend reinvestment feature of the Deferred Compensation Plan.
/s/ Brittney Anderson, Attorney-in-Fact for Shantella E. Cooper 01/06/2026
** 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 transaction did Southern Company (SO) report for director Shantella E. Cooper?

The report shows that on 01/02/2026, director Shantella E. Cooper received 516.055 deferred stock units as part of her quarterly director equity retainer under the Southern Company 2021 Equity and Incentive Compensation Plan, deferred into the Deferred Compensation Plan for Outside Directors.

How many Southern Company deferred stock units does the director own after this transaction?

Following the reported transaction, Shantella E. Cooper beneficially owns 31,166.7314 deferred stock units tied to Southern Company common stock, as shown in the filing.

What does each Southern Company deferred stock unit represent for the director?

Each deferred stock unit reported for Southern Company represents the right to receive one share of Southern Company common stock, according to the description in the compensation and deferred compensation plans.

When are Shantella E. Cooper’s Southern Company deferred stock units settled?

The filing states that deferred stock units are settled in shares of Southern Company common stock on the date or dates following the termination of the reporting person’s service on the Board, as specified by the director under the Deferred Compensation Plan.

Why was the Southern Company director’s equity retainer paid in deferred stock units?

The explanation notes that the quarterly director equity retainer was paid under the Southern Company 2021 Equity and Incentive Compensation Plan and then deferred under the Deferred Compensation Plan for Outside Directors, resulting in the grant of deferred stock units instead of current shares.

How does dividend reinvestment affect the director’s Southern Company deferred stock units?

The report states that the total includes additional deferred stock units acquired through the dividend reinvestment feature of the Deferred Compensation Plan, which increases the number of units over time.

What price is associated with the Southern Company deferred stock unit grant?

Table II shows a price of $87.2 related to the Southern Company common stock underlying the 516.055 deferred stock units reported in this grant.