MGE ENERGY INC — 424B5 Filings
6 424B5 filings on record
This page lists all 424B5 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 6 424B5 documents with the SEC since 2001. To view all SEC filings by MGE ENERGY INC, see the full filings list.
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 |
|---|---|---|---|---|
| 424B5 | 424B5 | 0001193125-26-067459 | Feb 24, 2026 | — |
| 424B5 | PROSPECTUS SUPPLEMENT | 0000950137-06-012193 | Nov 9, 2006 | — |
| 424B5 | PROSPECTUS | 0001161728-06-000008 | Mar 30, 2006 | — |
| 424B5 | PRELIMINARY PROSPECTUS SUPPLEMENT | 0001193125-04-152997 | Sep 8, 2004 | — |
| 424B5 | 424B5 | 0000950133-03-002968 | Aug 18, 2003 | — |
| 424B5 | 424B5 | 0000950133-03-002967 | Aug 18, 2003 | — |