Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0002100121-26-000506
Filing Date
2026-04-29
Accepted
2026-04-29 14:18:19
Documents
1
X0202

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G  
1 primary_doc.xml SCHEDULE 13G 5571
  Complete submission text file 0002100121-26-000506.txt   7314
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 (Subject) CIK: 0001161728 (see all company filings)

EIN.: 392040501 | State of Incorp.: WI | Fiscal Year End: 1231
Type: SCHEDULE 13G | Act: 34 | File No.: 005-78824 | Film No.: 26914047
SIC: 4900 Electric, Gas & Sanitary Services
(CF Office: 01 Energy & Transportation)

Mailing Address 100 VANGUARD BLVD MALVERN PA 19355
Business Address 100 VANGUARD BLVD MALVERN PA 19355 610-669-6148
VANGUARD PORTFOLIO MANAGEMENT LLC (Filed by) CIK: 0002100121 (see all company filings)

EIN.: 392888838 | State of Incorp.: PA | Fiscal Year End: 1231
LEI: 529900YN99W7NU4H6B84
Type: SCHEDULE 13G