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SOUTHERN CO — 3/A Filings

4 3/A filings on record

This page lists all 3/A filings submitted to the SEC by SOUTHERN CO (SOMN), sorted by most recent first. Each row links to the full filing on EdgarLookup. SOUTHERN CO has filed 4 3/A documents with the SEC since 2020. To view all SEC filings by SOUTHERN CO, see the full filings list.

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
3/A 3/A 0000950170-25-114440 Sep 12, 2025 Jul 31, 2025
3/A FORM 3/A SUBMISSION 0001209191-23-014707 Mar 2, 2023 Apr 19, 2021
3/A FORM 3/A SUBMISSION 0001209191-07-030955 May 17, 2007 May 16, 2007
3/A 0000092122-04-000240 Jun 29, 2004 Feb 17, 2003