MGE ENERGY INC reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Madison, WI
SEC filing record 1 source field available
Fiscal year end
31 December
MGE ENERGY INC has filed 826 SEC EDGAR filings since 02 Nov 2001

SEC filing history

Showing 1-25 of 631 matching filings.

Per page
25
Current page
1
424B5 File 333-293693

424B5

Filing date
06 May 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SCHEDULE 13G File 005-78824

SCHEDULE 13G filing

Filing date
30 Apr 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SCHEDULE 13G File 005-78824

SCHEDULE 13G filing

Filing date
29 Apr 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 000-49965

DEFA14A

Filing date
23 Apr 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4

Filing date
21 Apr 2026
Reporting date
17 Apr 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
ARS File 000-49965

ARS

Filing date
02 Apr 2026
Reporting date
31 Dec 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 000-49965

DEFA14A

Filing date
02 Apr 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 000-49965

DEFA14A

Filing date
02 Apr 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 000-49965

DEF 14A

Filing date
02 Apr 2026
Reporting date
30 Mar 2026
Next action
Verify source filing
SCHEDULE 13G/A File 005-78824

SCHEDULE 13G/A filing

Filing date
27 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4

Filing date
12 Mar 2026
Reporting date
11 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4

Filing date
03 Mar 2026
Reporting date
02 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
3

3

Filing date
03 Mar 2026
Reporting date
01 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4

Filing date
03 Mar 2026
Reporting date
02 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4

Filing date
03 Mar 2026
Reporting date
02 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .