Southern Company
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Browse all Southern Company SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more
2026
Material company events (earnings, M&A, or leadership changes)
Passive large shareholder ownership disclosure
Additional or supplemental proxy disclosures
Insider ownership (buying, selling) activity
Material company events (earnings, M&A, or leadership changes)
Passive large shareholder ownership disclosure
Final shareholder voting details (board elections and executive pay)
Additional or supplemental proxy disclosures
Annual Report to Shareholders
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Updated passive ownership disclosure
Preliminary proxy statement filed for SEC review
Material company events (earnings, M&A, or leadership changes)
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Prospectus variant for specific offering structures
Shelf offering prospectus with final pricing terms
Free writing prospectus related to a securities offering
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Updated passive ownership disclosure
Insider ownership (buying, selling) activity
Material company events (earnings, M&A, or leadership changes)
Insider ownership (buying, selling) activity
Annual financial results and management updates
Material company events (earnings, M&A, or leadership changes)
Current Events / Material company events (earnings, M&A, or leadership changes)
May 15, 2026
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