MGE ENERGY INC — All Filings
807 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.
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3
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4
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8-K12G3
ARS
CORRESP
DEF 14A
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SC 13G
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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 | — |
| 4 | 4 | 0001193125-26-104002 | Mar 12, 2026 | Mar 11, 2026 |
| 4 | 4 | 0001193125-26-088907 | Mar 3, 2026 | Mar 2, 2026 |
| 3 | 3 | 0002115102-26-000002 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | 4 | 0001193125-26-088441 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-088418 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-088358 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-088315 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-088305 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-088272 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-088253 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-087883 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-087408 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-087400 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-087388 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-087384 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-087368 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-087355 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-087340 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-087332 | Mar 3, 2026 | Mar 2, 2026 |
| 8-K | 8-K | 0001193125-26-079800 | Feb 27, 2026 | — |
| 8-K | 8-K | 0001193125-26-067481 | Feb 24, 2026 | — |
| 424B5 | 424B5 | 0001193125-26-067459 | Feb 24, 2026 | — |
| S-3ASR | S-3ASR | 0001193125-26-067253 | Feb 24, 2026 | — |
| 8-K | 8-K | 0001193125-26-067050 | Feb 24, 2026 | — |
| 10-K | 10-K | 0001193125-26-067036 | Feb 24, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001193125-26-028612 | Jan 29, 2026 | Jan 27, 2026 |
| 8-K | 8-K | 0001193125-26-023547 | Jan 27, 2026 | Jan 22, 2026 |
| 4 | 4 | 0001193125-26-003952 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | 4 | 0001193125-26-003932 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | 4 | 0001193125-26-003924 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | 4 | 0001193125-26-003912 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | 4 | 0001193125-26-003898 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | 4 | 0001193125-26-003891 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | 4 | 0001193125-26-003875 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | 4 | 0001193125-26-002562 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002546 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002536 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002524 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002493 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002483 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002476 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002462 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002441 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-25-311239 | Dec 8, 2025 | Dec 5, 2025 |
| 4 | 4 | 0001193125-25-311139 | Dec 8, 2025 | Dec 4, 2025 |
| 8-K | 8-K | 0001193125-25-272490 | Nov 7, 2025 | — |
| 8-K | 8-K | 0001193125-25-266389 | Nov 5, 2025 | — |
| 10-Q | 10-Q | 0001193125-25-266253 | Nov 5, 2025 | Sep 30, 2025 |
| SCHEDULE 13G/A | — | 0002012383-25-002603 | Oct 17, 2025 | — |