Southwestern Public Service Co

CIK 92521 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Southwestern Public Service Co.

Recent SEC filings

FiledFormAccession number
Jul 30, 20268-K0000072903-26-000149
Jul 30, 202610-Q0000092521-26-000009
Jun 29, 20268-K0001193125-26-288380
Jun 25, 2026424B20001193125-26-282570
Jun 24, 2026FWP0001193125-26-281276
Jun 24, 2026424B50001193125-26-280318
Jun 23, 20268-K0000072903-26-000109
May 5, 20268-K0000072903-26-000075
Apr 30, 20268-K0000072903-26-000070
Apr 30, 202610-Q0000092521-26-000006
Feb 25, 202610-K0000092521-26-000003
Feb 5, 20268-K0000072903-26-000006
Nov 21, 20258-K0000072903-25-000261
Oct 30, 202510-Q0000092521-25-000020
Oct 30, 20258-K0000072903-25-000254
Jul 31, 202510-Q0000092521-25-000017
Jul 31, 20258-K0000072903-25-000221
Jul 18, 20258-K0000072903-25-000218
May 7, 20258-K0001193125-25-114909
May 2, 20258-K0001193125-25-111366
Apr 30, 2025424B20001193125-25-106994
Apr 29, 2025424B50001193125-25-101984
Apr 29, 2025FWP0001193125-25-103871
Apr 24, 202510-Q0000092521-25-000012
Apr 24, 20258-K0000072903-25-000084