{"entity":{"type":"insider","cik":"0002082705","url":"/insider/0002082705","json_url":"/insider/0002082705.json","name":"Kim Matthew M.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":5,"n_filings":5,"first":"2026-02-25","last":"2026-08-04","span_basis":"filed_date"},"name_variants":[{"name":"Kim Matthew M.","source":"filing","n_filings":5,"first_seen":"2026-02-25","last_seen":"2026-08-04"}],"transactions":[{"id":5751702,"accession":"0001193125-26-331835","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001193125-26-331835","line_url":"/filing/0001193125-26-331835#line-1","is_derivative":false,"issuer_cik":"0000092122","issuer_name":"SOUTHERN CO","issuer_ticker":"SO","issuer_name_source":null,"issuer_url":"/issuer/0000092122","owner_cik":"0002082705","owner_name":"Kim Matthew M.","owner_display_name":"Kim Matthew M.","owner_url":"/insider/0002082705","role":"Officer (Comptroller)","role_mark":"O","role_mark_label":"Officer (Comptroller)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Comptroller","security_title":"Southern Company Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":94.28,"price_display":"94.28","price_state":"stated","total_value":9428.0,"total_display":"9,428.00","total_whole":"9,428","shares_owned_after":6488.0,"shares_owned_after_display":"6,488","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-08-03","filed_date":"2026-08-04","scope":"insider"},{"id":5785582,"accession":"0001193125-26-294114","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001193125-26-294114","line_url":"/filing/0001193125-26-294114#line-1","is_derivative":false,"issuer_cik":"0000092122","issuer_name":"SOUTHERN CO","issuer_ticker":"SO","issuer_name_source":null,"issuer_url":"/issuer/0000092122","owner_cik":"0002082705","owner_name":"Kim Matthew M.","owner_display_name":"Kim Matthew M.","owner_url":"/insider/0002082705","role":"Officer (Comptroller)","role_mark":"O","role_mark_label":"Officer (Comptroller)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Comptroller","security_title":"Southern Company Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":95.77,"price_display":"95.77","price_state":"stated","total_value":9577.0,"total_display":"9,577.00","total_whole":"9,577","shares_owned_after":6588.0,"shares_owned_after_display":"6,588","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-07-01","filed_date":"2026-07-02","scope":"insider"},{"id":5749645,"accession":"0001193125-26-251358","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001193125-26-251358","line_url":"/filing/0001193125-26-251358#line-1","is_derivative":false,"issuer_cik":"0000092122","issuer_name":"SOUTHERN CO","issuer_ticker":"SO","issuer_name_source":null,"issuer_url":"/issuer/0000092122","owner_cik":"0002082705","owner_name":"Kim Matthew M.","owner_display_name":"Kim Matthew M.","owner_url":"/insider/0002082705","role":"Officer (Comptroller)","role_mark":"O","role_mark_label":"Officer (Comptroller)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Comptroller","security_title":"Southern Company Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":91.16,"price_display":"91.16","price_state":"stated","total_value":9116.0,"total_display":"9,116.00","total_whole":"9,116","shares_owned_after":6688.0,"shares_owned_after_display":"6,688","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-06-01","filed_date":"2026-06-01","scope":"insider"},{"id":5943979,"accession":"0001193125-26-203796","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001193125-26-203796","line_url":"/filing/0001193125-26-203796#line-1","is_derivative":false,"issuer_cik":"0000092122","issuer_name":"SOUTHERN CO","issuer_ticker":"SO","issuer_name_source":null,"issuer_url":"/issuer/0000092122","owner_cik":"0002082705","owner_name":"Kim Matthew M.","owner_display_name":"Kim Matthew M.","owner_url":"/insider/0002082705","role":"Officer (Comptroller)","role_mark":"O","role_mark_label":"Officer (Comptroller)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Comptroller","security_title":"Southern Company Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":96.57,"price_display":"96.57","price_state":"stated","total_value":9657.0,"total_display":"9,657.00","total_whole":"9,657","shares_owned_after":6788.0,"shares_owned_after_display":"6,788","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-05-01","filed_date":"2026-05-04","scope":"insider"},{"id":5809563,"accession":"0001193125-26-071778","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001193125-26-071778","line_url":"/filing/0001193125-26-071778#line-1","is_derivative":false,"issuer_cik":"0000092122","issuer_name":"SOUTHERN CO","issuer_ticker":"SO","issuer_name_source":null,"issuer_url":"/issuer/0000092122","owner_cik":"0002082705","owner_name":"Kim Matthew M.","owner_display_name":"Kim Matthew M.","owner_url":"/insider/0002082705","role":"Officer (Comptroller)","role_mark":"O","role_mark_label":"Officer (Comptroller)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Comptroller","security_title":"Southern Company Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5123.0,"shares_display":"5,123","price_per_share":95.15,"price_display":"95.15","price_state":"stated","total_value":487453.45,"total_display":"487,453.45","total_whole":"487,453","shares_owned_after":6888.0,"shares_owned_after_display":"6,888","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-02-24","filed_date":"2026-02-25","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":5,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":5,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":5},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000092122","name":"SOUTHERN CO","url":"/issuer/0000092122","role":"Officer (Comptroller)","n_filings":5,"first_seen":"2026-02-25","last_seen":"2026-08-04"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0002082705","retrieved_at":"2026-08-24T14:20:01+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}