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Shares will be withheld upon vesting to satisfy tax requirements."}],"balance_after":318,"derivative":{"exercise_price":0,"underlying":"Southern Company Common Stock","underlying_shares":317},"source":{"system":"sec-edgar","filing":"0001193125-26-036030","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/92122/000119312526036030/ownership.xml","form_type":"4"}},{"id":923910,"issuer":{"id":1308,"kind":"organization","name":"SOUTHERN CO","symbol":"SO"},"owners":[{"id":1309,"kind":"person","name":"Kim Matthew M.","position":1,"cik":"0002082705","reported_name":"Kim Matthew M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Comptroller"}}],"security":"Southern Company Common Stock","published_at":"2026-02-03T23:00:25.000Z","date":"2026-02-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":173,"price":89.31,"value":15450.63,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to satisfy  required state and federal tax withholding requirements."}],"balance_after":9429,"source":{"system":"sec-edgar","filing":"0001193125-26-036030","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/92122/000119312526036030/ownership.xml","form_type":"4"}},{"id":923909,"issuer":{"id":1308,"kind":"organization","name":"SOUTHERN CO","symbol":"SO"},"owners":[{"id":1309,"kind":"person","name":"Kim Matthew M.","position":1,"cik":"0002082705","reported_name":"Kim Matthew M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Comptroller"}}],"security":"Southern Company Common Stock","published_at":"2026-02-03T23:00:25.000Z","date":"2026-02-01","kind":"exercise","planned":false,"acquired":true,"shares":345,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 1, 2023. Includes 37 accrued dividend equivalent units."}],"balance_after":9602,"source":{"system":"sec-edgar","filing":"0001193125-26-036030","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/92122/000119312526036030/ownership.xml","form_type":"4"}},{"id":923908,"issuer":{"id":1308,"kind":"organization","name":"SOUTHERN CO","symbol":"SO"},"owners":[{"id":1309,"kind":"person","name":"Kim Matthew M.","position":1,"cik":"0002082705","reported_name":"Kim Matthew M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Comptroller"}}],"security":"Southern Company Common Stock","published_at":"2026-02-03T23:00:25.000Z","date":"2026-01-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":170,"price":89.31,"value":15182.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to satisfy  required state and federal tax withholding requirements."}],"balance_after":9257,"source":{"system":"sec-edgar","filing":"0001193125-26-036030","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/92122/000119312526036030/ownership.xml","form_type":"4"}},{"id":923907,"issuer":{"id":1308,"kind":"organization","name":"SOUTHERN CO","symbol":"SO"},"owners":[{"id":1309,"kind":"person","name":"Kim Matthew M.","position":1,"cik":"0002082705","reported_name":"Kim Matthew M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Comptroller"}}],"security":"Southern Company Common Stock","published_at":"2026-02-03T23:00:25.000Z","date":"2026-01-31","kind":"exercise","planned":false,"acquired":true,"shares":340,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares acquired upon vesting of second 1/3 of restricted stock units granted on January 31, 2024.  Includes 23 accrued dividend equivalent  units."}],"balance_after":9427,"source":{"system":"sec-edgar","filing":"0001193125-26-036030","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/92122/000119312526036030/ownership.xml","form_type":"4"}}]}