MGE ENERGY INC - MGEE

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 46
Latest filed: Apr 21, 2026
Form Count
4 37
8-K 8
SCHEDULE 13G/A 1

Latest files

Filed Form Report period Accession SEC
Apr 21, 2026 8-K Apr 17, 2026 0001193125-26-167047 View
Apr 21, 2026 4 Apr 17, 2026 0001193125-26-167136 View
Mar 27, 2026 SCHEDULE 13G/A 0000102909-26-001852 View
Mar 12, 2026 4 Mar 11, 2026 0001193125-26-104002 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-087332 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-087340 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-087355 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-087368 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-087384 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-087388 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-087400 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-087408 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-087883 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-088253 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-088272 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-088305 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-088315 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-088358 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-088418 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-088441 View
Mar 03, 2026 4 Mar 02, 2026 0001193125-26-088907 View
Feb 27, 2026 8-K Feb 27, 2026 0001193125-26-079800 View
Feb 24, 2026 8-K Feb 24, 2026 0001193125-26-067050 View
Feb 24, 2026 8-K Feb 24, 2026 0001193125-26-067481 View
Jan 29, 2026 8-K Jan 27, 2026 0001193125-26-028612 View
Jan 27, 2026 8-K Jan 22, 2026 0001193125-26-023547 View
Jan 06, 2026 4 Jan 02, 2026 0001193125-26-003875 View
Jan 06, 2026 4 Jan 02, 2026 0001193125-26-003891 View
Jan 06, 2026 4 Jan 02, 2026 0001193125-26-003898 View
Jan 06, 2026 4 Jan 02, 2026 0001193125-26-003912 View
Jan 06, 2026 4 Jan 02, 2026 0001193125-26-003924 View
Jan 06, 2026 4 Jan 02, 2026 0001193125-26-003932 View
Jan 06, 2026 4 Jan 02, 2026 0001193125-26-003952 View
Jan 05, 2026 4 Dec 31, 2025 0001193125-26-002441 View
Jan 05, 2026 4 Dec 31, 2025 0001193125-26-002462 View
Jan 05, 2026 4 Dec 31, 2025 0001193125-26-002476 View
Jan 05, 2026 4 Dec 31, 2025 0001193125-26-002483 View
Jan 05, 2026 4 Dec 31, 2025 0001193125-26-002493 View
Jan 05, 2026 4 Dec 31, 2025 0001193125-26-002524 View
Jan 05, 2026 4 Dec 31, 2025 0001193125-26-002536 View
Jan 05, 2026 4 Dec 31, 2025 0001193125-26-002546 View
Jan 05, 2026 4 Dec 31, 2025 0001193125-26-002562 View
Dec 08, 2025 4 Dec 04, 2025 0001193125-25-311139 View
Dec 08, 2025 4 Dec 05, 2025 0001193125-25-311239 View
Nov 07, 2025 8-K Nov 07, 2025 0001193125-25-272490 View
Nov 05, 2025 8-K Nov 05, 2025 0001193125-25-266389 View