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MGE ENERGY INC — SCHEDULE 13G/A Filings

2 SCHEDULE 13G/A filings on record

This page lists all SCHEDULE 13G/A filings submitted to the SEC by MGE ENERGY INC (MGEE), sorted by most recent first. Each row links to the full filing on EdgarLookup. MGE ENERGY INC has filed 2 SCHEDULE 13G/A documents with the SEC since 2001. To view all SEC filings by MGE ENERGY INC, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-Q 10-Q/A 3 3/A 4 4/A 424B2 424B3 424B5 425 8-K 8-K/A 8-K12G3 ARS CORRESP DEF 14A DEFA14A DEFR14A FWP POS AM PRE 14A PX14A6G S-3 S-3ASR S-3DPOS S-4 S-4/A S-8 SC 13G SC 13G/A SCHEDULE 13G/A U-3A-2 U-3A-2/A UPLOAD
Form Description Accession Number Filed Period
SCHEDULE 13G/A 0000102909-26-001852 Mar 27, 2026
SCHEDULE 13G/A 0002012383-25-002603 Oct 17, 2025