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Insider Trading Arrangements
 3 Months Ended
Dec. 31, 2025
shares
Trading Arrangements, by Individual  
Material Terms of Trading Arrangement The Subsidiary Registrants had no reportable trading arrangements for the three months ended December 31, 2025.
Name
Title
Date of Adoption
Expiration Date
Aggregate Number of Shares Covered
Stanley W. Connally, Jr.Executive Vice President and Chief Operating OfficerNovember 17, 2025March 16, 202712,500
Christopher CummiskeyExecutive Vice PresidentNovember 18, 2025March 9, 2027
   8,954(1)
Matthew M. KimComptrollerNovember 25, 2025February 24, 2027
   6,353(1)
Sterling A. SpainhourExecutive Vice President and Chief Legal OfficerNovember 25, 2025September 1, 20279,443
Kimberly S. GreeneChairman, President, and Chief Executive Officer of Georgia PowerNovember 26, 2025March 30, 202765,000
(1)Includes shares underlying equity awards subject to performance conditions and accrual of dividend-equivalent rights. Accordingly, the total number of shares ultimately available for sale could be more or less than the amount shown. The amount shown is based on the target number of shares subject to equity awards and the dividend-equivalent rights accrued as of the date of adoption.
Non-Rule 10b5-1 Arrangement Adopted false
Rule 10b5-1 Arrangement Terminated false
Non-Rule 10b5-1 Arrangement Terminated false
Stanley W. Connally, Jr. [Member]  
Trading Arrangements, by Individual  
Name Stanley W. Connally, Jr.
Title Executive Vice President and Chief Operating Officer
Rule 10b5-1 Arrangement Adopted true
Adoption Date November 17, 2025
Expiration Date March 16, 2027
Arrangement Duration 484 days
Aggregate Available 12,500
Christopher Cummiskey [Member]  
Trading Arrangements, by Individual  
Name Christopher Cummiskey
Title Executive Vice President
Rule 10b5-1 Arrangement Adopted true
Adoption Date November 18, 2025
Expiration Date March 9, 2027
Arrangement Duration 476 days
Aggregate Available 8,954
Matthew M. Kim [Member]  
Trading Arrangements, by Individual  
Name Matthew M. Kim
Title Comptroller
Rule 10b5-1 Arrangement Adopted true
Adoption Date November 25, 2025
Expiration Date February 24, 2027
Arrangement Duration 456 days
Aggregate Available 6,353
Sterling A. Spainhour [Member]  
Trading Arrangements, by Individual  
Name Sterling A. Spainhour
Title Executive Vice President and Chief Legal Officer
Rule 10b5-1 Arrangement Adopted true
Adoption Date November 25, 2025
Expiration Date September 1, 2027
Arrangement Duration 645 days
Aggregate Available 9,443
Kimberly S. Greene [Member]  
Trading Arrangements, by Individual  
Name Kimberly S. Greene
Title Chairman, President, and Chief Executive Officer of Georgia Power
Rule 10b5-1 Arrangement Adopted true
Adoption Date November 26, 2025
Expiration Date March 30, 2027
Arrangement Duration 489 days
Aggregate Available 65,000