Southern Co. Form 144 lists RSU/PSU vests and one trade

SOUTHERN CO. reported Form 144 transactions involving the disposition of common stock tied to compensatory awards and one open-market purchase.

Accepted by SEC EDGAR 02/24/2026 - 05:17 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

SOUTHERN CO. reported Form 144 transactions involving the disposition of common stock tied to compensatory awards and one open-market purchase. The filing lists multiple Restricted Stock Unit and Performance Stock Unit vests dated between 02/13/2024 and 02/11/2026, including example vests of 844 and 744 shares and an open-market purchase of 78 shares on 06/02/2025. These entries reflect planned or completed transfers under compensatory arrangements.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 for SO disclose?

The Form 144 lists dispositions tied to compensatory awards and one open-market purchase. It shows multiple RSU and PSU vests dated from 02/13/2024 to 02/11/2026, with examples of 844, 744, and 78 shares.

Did the SO filing show any open-market trades?

Yes. The filing includes an open-market purchase of 78 shares on 06/02/2025. Other listed lines are compensatory vesting events rather than open-market purchases or sales.

Are the listed shares from awards or direct sales for SO?

Most entries are labeled as Compensatory Payment tied to RSU or PSU vesting events, indicating award-related transfers. The filing separates these from the single listed open-market purchase on 06/02/2025.

Which award types appear in the SO Form 144?

The filing lists Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). Vest dates include 02/07/2024, 02/05/2025, and 02/11/2026, with multiple share counts shown for each vesting line.

Does the Form 144 specify who received proceeds?

The entries are labeled as compensatory vests and one open-market purchase; the filing does not state proceeds recipients or use of funds within the provided excerpt. It documents the types, dates, and share counts of transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002082705
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SOUTHERN CO.
SEC File Number	001-03526
Address of Issuer	30 Ivan Allen Jr. Boulevard, N.W. Atlanta GEORGIA 30308
Phone	4045065000
Name of Person for Whose Account the Securities are To Be Sold	Matthew M. Kim
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Merrill Lynch 3455 Peachtree Road NE STE 1000 Atlanta GA 30326	5123	487453.45	1119391291	02/24/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/11/2026	Performance Stock Unit Vest	SOUTHERN CO.			1039	02/11/2026	Compensatory Payment
Common	02/11/2026	Performance Stock Unit Vest	SOUTHERN CO.			1396	02/11/2026	Compensatory Payment
Common	02/05/2026	Restricted Stock Unit Vest	SOUTHERN CO.			141	02/05/2026	Compensatory Payment
Common	02/05/2026	Restricted Stock Unit Vest	SOUTHERN CO.			5	02/05/2026	Compensatory Payment
Common	02/01/2026	Restricted Stock Unit Vest	SOUTHERN CO.			154	02/01/2026	Compensatory Payment
Common	02/01/2026	Restricted Stock Unit Vest	SOUTHERN CO.			18	02/01/2026	Compensatory Payment
Common	01/31/2026	Restricted Stock Unit Vest	SOUTHERN CO.			159	01/31/2026	Compensatory Payment
Common	01/31/2026	Restricted Stock Unit Vest	SOUTHERN CO.			11	01/31/2026	Compensatory Payment
Common	06/02/2025	Open Market Purchase	SOUTHERN CO.			78	06/02/2025	Compensatory Payment
Common	02/05/2025	Performance Stock Unit Vest	SOUTHERN CO.			744	02/05/2025	Compensatory Payment
Common	02/05/2025	Performance Stock Unit Vest	SOUTHERN CO.			227	02/05/2025	Compensatory Payment
Common	01/31/2025	Restricted Stock Unit Vest	SOUTHERN CO.			6	01/31/2025	Compensatory Payment
Common	01/31/2025	Restricted Stock Unit Vest	SOUTHERN CO.			159	01/31/2025	Compensatory Payment
Common	02/13/2024	Restricted Stock Unit Vest	SOUTHERN CO.			8	02/13/2024	Compensatory Payment
Common	02/13/2024	Restricted Stock Unit Vest	SOUTHERN CO.			105	02/13/2024	Compensatory Payment
Common	02/07/2024	Performance Stock Unit Vest	SOUTHERN CO.			844	02/07/2024	Compensatory Payment
Common	02/07/2024	Performance Stock Unit Vest	SOUTHERN CO.			29	02/07/2024	Compensatory Payment

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	02/24/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/25/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Matthew M. Kim
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)