EdgarLookup

SOUTHERN CO — All Filings

1,003 total filings on record

Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.

Overview All Filings Financials Insiders
All 10-K/A 10-Q/A 11-K 11-K/A 144 25-NSE 3 3/A 305B2 35-CERT 35-CERT/A 4 4/A 424A 424B1 424B2 424B3 424B4 424B5 5 8-A12B 8-K 8-K/A ARS CERT CERTNYS CORRESP DEF 14A DEFA14A DEFR14A DFAN14A FWP NO ACT POS AM POS AMC POSASR PRE 14A PX14A6G PX14A6N REGDEX RW S-3 S-3/A S-3ASR S-3D S-3DPOS S-4 S-4/A S-8 S-8 POS SC 13E4 SC 13E4/A SC 13G SC 13G/A SCHEDULE 13G/A SD U-1 U-1/A U-12-IA U-12-IB U-9C-3 U5S U5S/A UPLOAD
Form Description Accession Number Filed Period
SCHEDULE 13G/A 0000102909-26-002397 Mar 27, 2026
PRE 14A PRE 14A 0000092122-26-000021 Mar 23, 2026 May 13, 2026
144 0001628280-26-019797 Mar 19, 2026
4 4 0001193125-26-115921 Mar 19, 2026
4 4 0001193125-26-115763 Mar 19, 2026 Mar 18, 2026
8-K 8-K 0000092122-26-000018 Mar 19, 2026 Mar 16, 2026
144 0001628280-26-019577 Mar 18, 2026
424B2 424B2 0000092122-26-000016 Mar 17, 2026
FWP FWP 0000092122-26-000014 Mar 16, 2026
424B5 424B5 0000092122-26-000012 Mar 16, 2026
4 4 0001193125-26-100033 Mar 10, 2026 Mar 8, 2026
4 4 0001193125-26-100026 Mar 10, 2026 Mar 6, 2026
4 4 0001167316-26-000001 Mar 2, 2026 Feb 26, 2026
4 4 0001193125-26-071778 Feb 25, 2026 Feb 24, 2026
144 0001628280-26-011224 Feb 24, 2026
4 4 0001193125-26-054369 Feb 17, 2026 Feb 16, 2026
8-K/A 8-K 0000092122-26-000002 Feb 17, 2026 Jul 21, 2025
4 4 0001193125-26-051209 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051208 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051206 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051204 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051202 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051201 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051200 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051199 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051198 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051197 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051195 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-051194 Feb 13, 2026 Feb 11, 2026
4 4 0001193125-26-043858 Feb 10, 2026 Feb 6, 2026
4 4 0001193125-26-041988 Feb 9, 2026 Feb 5, 2026
4 4 0001193125-26-041987 Feb 9, 2026 Feb 5, 2026
4 4 0001193125-26-041986 Feb 9, 2026 Feb 5, 2026
4 4 0001193125-26-036101 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036097 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036074 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036073 Feb 3, 2026
4 4 0001193125-26-036071 Feb 3, 2026 Apr 30, 2025
4 4 0001193125-26-036070 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036069 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036068 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036039 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036037 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036034 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036032 Feb 3, 2026 Jan 31, 2026
4 4 0001193125-26-036030 Feb 3, 2026 Jan 31, 2026
3 3 0001193125-26-003780 Jan 6, 2026 Aug 4, 2025
4 4 0001193125-26-003773 Jan 6, 2026 Jan 2, 2026
4 4 0001193125-26-003771 Jan 6, 2026 Jan 2, 2026
4 4 0001193125-26-003767 Jan 6, 2026 Jan 2, 2026