STOCK TITAN

Director Shantella Cooper at Southern Co (SO) granted deferred stock units

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

Rhea-AI Filing Summary

Southern Co director Shantella E. Cooper received a grant of 473.0866 deferred stock units as part of her quarterly director equity retainer. These units were awarded under the Southern Company 2021 Equity and Incentive Compensation Plan and 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, generally after her Board service ends. Following this award, she holds a total of 32,605.9488 deferred stock units directly, with no exercise or expiration date on these units.

Positive

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Insider Cooper Shantella E.
Role null
Type Security Shares Price Value
Grant/Award Deferred Stock Units Holding 473.087 $95.12 $45K
Holdings After Transaction: Deferred Stock Units Holding — 32,605.949 shares (Direct, null)
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.
Deferred stock units granted 473.0866 units Quarterly director equity retainer on 2026-07-01
Price per underlying share $95.1200 per share Reference price for deferred stock unit grant
Total deferred units after grant 32,605.9488 units Holdings following reported transaction
Underlying common stock 473.0866 shares Shares represented by this deferred stock unit grant
Deferred Stock Units financial
"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"
Deferred stock units are promises from a company to give an employee shares of stock at a future date, often after certain conditions are met or after leaving the company. They function like a form of delayed compensation, allowing employees to earn shares over time. For investors, they represent potential future ownership in the company, but do not provide immediate voting rights or dividends until the shares are actually received.
Deferred Compensation Plan for Outside Directors financial
"deferred pursuant to the Deferred Compensation Plan for Outside Directors of The Southern Company"
equity retainer financial
"Represents quarterly director equity retainer paid under the Southern Company 2021 Equity and Incentive Compensation Plan"
Southern Company 2021 Equity and Incentive Compensation Plan financial
"Represents quarterly director equity retainer paid under the Southern Company 2021 Equity and Incentive Compensation Plan"
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SEC Form 4
FORM 4UNITED 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 GEORGIA 30308

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
SOUTHERN CO [ SO ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Deferred Stock Units Holding(1)$007/01/2026A473.0866 (2) (2)Southern Company Common Stock473.0866$95.1232,605.9488(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. Cooper07/02/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

FAQ

What did Southern Co director Shantella E. Cooper report on this Form 4 for SO?

Director Shantella E. Cooper reported receiving 473.0866 deferred stock units as a quarterly equity retainer. The award is part of her compensation for Board service and is deferred under Southern Co’s outside director compensation plan.

How many Southern Co deferred stock units does Shantella E. Cooper hold after this Form 4?

After this transaction, Shantella E. Cooper holds 32,605.9488 deferred stock units. These units track Southern Company common stock and represent future rights to receive shares after her Board service, rather than current share deliveries or cash transactions.

Is the Southern Co Form 4 for Shantella E. Cooper a stock purchase or sale?

The Form 4 reflects an acquisition through a compensation grant, not a market purchase or sale. Cooper received 473.0866 deferred stock units as a director equity retainer, with no open-market buying or selling reported in this filing for SO.

How are Shantella E. Cooper’s Southern Co deferred stock units settled?

The deferred stock units are settled in shares of Southern Company common stock after her service on the Board ends. Settlement timing follows her elections under the Deferred Compensation Plan for Outside Directors, rather than occurring immediately at grant.

Does the Southern Co Form 4 mention any exercise or expiration date for the deferred stock units?

The filing states there is no exercise or expiration date for these deferred stock units. They remain outstanding and are ultimately settled in Southern Company common stock following the end of Shantella E. Cooper’s Board service, as specified in the plan.