Northern States Power Co /Wi/

CIK 72909 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Northern States Power Co /Wi/.

Recent SEC filings

FiledFormAccession number
Jul 30, 202610-Q0000072909-26-000010
Jul 30, 20268-K0000072903-26-000149
Jun 10, 20268-K0001193125-26-265885
Apr 30, 202610-Q0000072909-26-000007
Apr 30, 20268-K0000072903-26-000070
Feb 25, 202610-K0000072909-26-000003
Feb 5, 20268-K0000072903-26-000006
Oct 30, 20258-K0000072903-25-000254
Oct 30, 202510-Q0000072909-25-000016
Aug 11, 20258-K0000072903-25-000227
Jul 31, 20258-K0000072903-25-000221
Jul 31, 202510-Q0000072909-25-000012
Jun 23, 20258-K0001193125-25-144432
Jun 18, 2025424B20001193125-25-142644
Jun 18, 2025424B20001193125-25-142644
Jun 17, 2025FWP0001193125-25-141955
Jun 17, 2025424B50001193125-25-141864
Jun 17, 2025FWP0001193125-25-141955
Jun 17, 2025424B50001193125-25-141864
May 7, 20258-K0001193125-25-114909
Apr 24, 20258-K0000072903-25-000084
Apr 24, 202510-Q0000072909-25-000007
Apr 1, 20258-K0000072903-25-000070
Feb 27, 202510-K0000072909-25-000004
Feb 6, 20258-K0000072903-25-000023