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Mailing Address 133 SOUTH BLAIR STREET PO BOX 1231 MADISON WI 53701-1231
Business Address 133 SOUTH BLAIR STREET PO BOX 1231 MADISON WI 53701-1231 (608) 252-7000
MGE ENERGY INC CIK#: 0001161728 (see all company filings)

SIC: 4900 - ELECTRIC, GAS & SANITARY SERVICES
State location: WI | State of Inc.: WI | Fiscal Year End: 1231
(CF Office: 01 Energy & Transportation)
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Items 1 - 40  0001161728 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001273087-24-000059 (34 Act)  Size: 82 KB
2024-03-21 005-78824
24771598
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0000950170-24-017861 (34 Act)  Size: 216 KB
2024-02-21 000-49965
24659158
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000950170-24-017736 (34 Act)  Size: 18 MB
2024-02-21 000-49965
24658077
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-24-017707 (34 Act)  Size: 296 KB
2024-02-21 000-49965
24657845
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000950170-24-017706 (34 Act)  Size: 35 MB
2024-02-21 000-49965
24657823
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001897612-24-001162 (34 Act)  Size: 6 KB
2024-02-14 005-78824
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020084 (34 Act)  Size: 13 KB
2024-02-13 005-78824
24627109
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-003689 (34 Act)  Size: 13 KB
2024-01-25 005-78824
24562935
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0000950170-23-071295 (34 Act)  Size: 228 KB
2023-12-19 000-49965
231495847
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000950170-23-061132 (34 Act)  Size: 17 MB
2023-11-08 000-49965
231388049
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000950170-23-058128 (34 Act)  Size: 17 MB
2023-11-02 000-49965
231371897
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-23-057854 (34 Act)  Size: 320 KB
2023-11-02 000-49965
231370752
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-057851 (34 Act)  Size: 18 MB
2023-11-02 000-49965
231370736
8-K  Documents   Interactive Data Current report, items 5.03 and 9.01
Acc-no: 0000950170-23-048495 (34 Act)  Size: 824 KB
2023-09-18 000-49965
231260406
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0000950170-23-046611 (34 Act)  Size: 1 MB
2023-09-06 000-49965
231238486
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0000950170-23-043393 (34 Act)  Size: 246 KB
2023-08-18 000-49965
231184762
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000950170-23-038379 (34 Act)  Size: 18 MB
2023-08-04 000-49965
231142560
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-23-037783 (34 Act)  Size: 340 KB
2023-08-03 000-49965
231139132
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-037779 (34 Act)  Size: 20 MB
2023-08-03 000-49965
231139122
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0000950170-23-023047 (34 Act)  Size: 281 KB
2023-05-18 000-49965
23936346
S-3ASR  Documents Automatic shelf registration statement of securities of well-known seasoned issuers
Acc-no: 0001161728-23-000032 (33 Act)  Size: 808 KB
2023-05-08 333-271733
23898768
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000950170-23-018133 (34 Act)  Size: 18 MB
2023-05-05 000-49965
23891833
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-23-017554 (34 Act)  Size: 305 KB
2023-05-04 000-49965
23887030
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-017552 (34 Act)  Size: 15 MB
2023-05-04 000-49965
23887024
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001161728-23-000027 (34 Act)  Size: 453 KB
2023-04-21 000-49965
23835426
ARS  Documents Annual Report to Security Holders
Acc-no: 0001161728-23-000026 (34 Act)  Size: 7 MB
2023-03-29 000-49965
23772074
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001161728-23-000025 (34 Act)  Size: 9 KB
2023-03-29 000-49965
23772071
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001161728-23-000024 (34 Act)  Size: 677 KB
2023-03-29 000-49965
23772060
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001161728-23-000023 (34 Act)  Size: 1 MB
2023-03-29 000-49965
23772058
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0000950170-23-010451 (34 Act)  Size: 41 MB
2023-03-29 000-49965
23771969
8-K  Documents   Interactive Data Current report, items 1.01, 8.01, and 9.01
Acc-no: 0000950170-23-006615 (34 Act)  Size: 242 KB
2023-03-08 000-49965
23715094
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0000950170-23-004012 (34 Act)  Size: 22 MB
2023-02-23 000-49965
23658294
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-23-003633 (34 Act)  Size: 342 KB
2023-02-22 000-49965
23651384
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000950170-23-003632 (34 Act)  Size: 49 MB
2023-02-22 000-49965
23651347
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001897612-23-000661 (34 Act)  Size: 6 KB
2023-02-14 005-78824
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000080255-23-002518 (34 Act)  Size: 7 KB
2023-02-14 005-78824
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015121 (34 Act)  Size: 12 KB
2023-02-09 005-78824
23602095
8-K  Documents   Interactive Data Current report, items 1.01 and 2.03
Acc-no: 0000950170-23-001543 (34 Act)  Size: 323 KB
2023-02-01 000-49965
23575379
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-005096 (34 Act)  Size: 13 KB
2023-01-31 005-78824
23571736
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0000950170-22-026684 (34 Act)  Size: 242 KB
2022-12-16 000-49965
221468651