Company: SOJE
Filing Date: 2025-02-11
Form Type: 8-K/A
Source: 0000092122-25-000012
Chunk: 1

Company: SOUTHERN CO
Filing Date: 2025-02-11
Form: 8-K/A
Chunk 1
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 New York Stock Exchange |
| The Southern Company |     | Series 2020C 4.20% Junior Subordinated Notes due 2060                            |     | SOJE      |     | New York Stock Exchange |
| The Southern Company |     | Series 2021B 1.875% Fixed-to-Fixed Reset Rate Junior Subordinated Notes due 2081 |     | SO 81     |     | New York Stock Exchange |
| The Southern Company |     | Series 2025A 6.50% Junior Subordinated Notes due 2085                            |     | SOJF      |     | New York Stock Exchange |

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

| Item 5.02. |     | Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. |

On December 5, 2024, The Southern Company (the “Company”) filed a Current Report on Form 8‑K (the “Original 8-K”) announcing the appointment of Stanley W. Connally, Jr. as Executive Vice President and Chief Operating Officer of the Company, effective January 1, 2025. The Company is filing this Amendment No. 1 to the Original 8-K to provide information regarding material changes to Mr. Connally’s compensation arrangements, which had not been determined at the time of the filing of the Original 8-K.

On February 5, 2025, the Compensation and Talent Development Committee of the Company’s Board of Directors approved compensation arrangements for Mr. Connally in his new role. Effective March 1, 2025, Mr. Connally’s base salary will be $870,000 per year. His annual incentive compensation target is 90% of base salary and his long-term equity incentive compensation target is 265% of base salary.

### SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of