SIC: 4931 - ELECTRIC & OTHER SERVICES COMBINED
State location: SD | State of Inc.: DE | Fiscal Year End: 1231
formerly: NORTHWESTERN PUBLIC SERVICE CO (filings through 1998-04-20)
(CF Office: 01 Energy & Transportation)
Get insider transactions for this issuer.
| Filings | Format | Description | Filing Date | File/Film Number |
|---|---|---|---|---|
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-24-020093 (34 Act) Size: 13 KB |
2024-02-13 | 005-36015 24627126 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001086364-24-001061 (34 Act) Size: 13 KB |
2024-01-22 | 005-36015 24548747 |
| 15-12G | Documents | Securities registration termination [Section 12(g)] Acc-no: 0001628280-23-041057 (34 Act) Size: 14 KB |
2023-12-07 | 001-10499 231472322 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0000073088-23-000158 (34 Act) Size: 18 MB |
2023-12-06 | 001-10499 231468408 |
| 8-K | Documents Interactive Data | Current report, items 1.01 and 2.03
Acc-no: 0000073088-23-000156 (34 Act) Size: 2 MB |
2023-12-05 | 001-10499 231467363 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0000073088-23-000154 (34 Act) Size: 17 MB |
2023-11-13 | 001-10499 231394760 |
| 8-K | Documents Interactive Data | Current report, items 2.02, 7.01, and 9.01
Acc-no: 0000073088-23-000152 (34 Act) Size: 13 MB |
2023-10-27 | 001-10499 231352518 |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0000073088-23-000150 (34 Act) Size: 9 MB |
2023-10-27 | 001-10499 231351487 |
| POSASR | Documents | Post-effective Amendment to an automatic shelf registration statement Acc-no: 0001628280-23-033387 (33 Act) Size: 26 KB |
2023-10-02 | 333-253047 231297737 |
| POSASR | Documents | Post-effective Amendment to an automatic shelf registration statement Acc-no: 0001628280-23-033386 (33 Act) Size: 26 KB |
2023-10-02 | 333-257950 231297733 |
| S-8 POS | Documents | Securities to be offered to employees in employee benefit plans, post-effective amendments Acc-no: 0001628280-23-033385 (33 Act) Size: 27 KB |
2023-10-02 | 333-175813 231297732 |
| S-8 POS | Documents | Securities to be offered to employees in employee benefit plans, post-effective amendments Acc-no: 0001628280-23-033384 (33 Act) Size: 27 KB |
2023-10-02 | 333-149388 231297727 |
| S-8 POS | Documents | Securities to be offered to employees in employee benefit plans, post-effective amendments Acc-no: 0001628280-23-033383 (33 Act) Size: 27 KB |
2023-10-02 | 333-124624 231297721 |
| S-8 POS | Documents | Securities to be offered to employees in employee benefit plans, post-effective amendments Acc-no: 0001628280-23-033382 (33 Act) Size: 27 KB |
2023-10-02 | 333-122428 231297718 |
| S-8 POS | Documents | Securities to be offered to employees in employee benefit plans, post-effective amendments Acc-no: 0001628280-23-033381 (33 Act) Size: 27 KB |
2023-10-02 | 033-56401 231297717 |
| S-8 POS | Documents | Securities to be offered to employees in employee benefit plans, post-effective amendments Acc-no: 0001628280-23-033380 (33 Act) Size: 27 KB |
2023-10-02 | 333-11843 231297714 |
| S-8 POS | Documents | Securities to be offered to employees in employee benefit plans, post-effective amendments Acc-no: 0001628280-23-033379 (33 Act) Size: 27 KB |
2023-10-02 | 333-18991 231297713 |
| S-8 POS | Documents | Securities to be offered to employees in employee benefit plans, post-effective amendments Acc-no: 0001628280-23-033378 (33 Act) Size: 27 KB |
2023-10-02 | 333-80819 231297709 |
| S-8 POS | Documents | Securities to be offered to employees in employee benefit plans, post-effective amendments Acc-no: 0001628280-23-033377 (33 Act) Size: 27 KB |
2023-10-02 | 333-80817 231297707 |
| 8-K | Documents Interactive Data | Current report, items 1.01, 3.01, 3.03, 5.02, 5.03, and 9.01
Acc-no: 0001628280-23-033376 (34 Act) Size: 450 KB |
2023-10-02 | 001-10499 231297706 |
| 25-NSE | Documents | Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities Acc-no: 0001354457-23-000712 (34 Act) Size: 2 KB |
2023-09-29 | 001-10499 231295379 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0000073088-23-000141 (34 Act) Size: 18 MB |
2023-09-13 | 001-10499 231251815 |
| 8-K | Documents Interactive Data | Current report, items 2.02, 7.01, and 9.01
Acc-no: 0000073088-23-000139 (34 Act) Size: 13 MB |
2023-07-25 | 001-10499 231107710 |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0000073088-23-000137 (34 Act) Size: 8 MB |
2023-07-25 | 001-10499 231106149 |
| 8-K | Documents Interactive Data | Current report, items 2.03 and 9.01
Acc-no: 0000073088-23-000130 (34 Act) Size: 1 MB |
2023-07-06 | 001-10499 231073246 |
| 3 | Documents | Initial statement of beneficial ownership of securities Acc-no: 0000073088-23-000126 Size: 3 KB |
2023-06-16 | |
| 8-K | Documents Interactive Data | Current report, items 1.01 and 9.01
Acc-no: 0000073088-23-000124 (34 Act) Size: 701 KB |
2023-06-15 | 001-10499 231018054 |
| 424B3 | Documents | Prospectus [Rule 424(b)(3)] Acc-no: 0000073088-23-000123 (33 Act) Size: 54 KB |
2023-06-15 | 333-253047 231018045 |
| 8-K | Documents Interactive Data | Current report, items 1.01 and 9.01
Acc-no: 0000073088-23-000118 (34 Act) Size: 554 KB |
2023-06-09 | 001-10499 231004383 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0000073088-23-000116 (34 Act) Size: 16 MB |
2023-06-08 | 001-10499 231000788 |
| 8-K | Documents Interactive Data | Current report, items 5.02 and 9.01
Acc-no: 0000073088-23-000114 (34 Act) Size: 489 KB |
2023-06-07 | 001-10499 23997745 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0000073088-23-000112 (34 Act) Size: 16 MB |
2023-05-19 | 001-10499 23941120 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0000073088-23-000110 Size: 5 KB |
2023-05-17 | |
| 144 | Documents | Report of proposed sale of securities Acc-no: 0001973379-23-000033 (33 Act) Size: 4 KB |
2023-05-16 | 001-10499 23926156 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0000073088-23-000108 Size: 4 KB |
2023-05-11 | |
| 8-K | Documents Interactive Data | Current report, items 1.01, 2.03, and 9.01
Acc-no: 0000073088-23-000106 (34 Act) Size: 505 KB |
2023-05-05 | 001-10499 23892009 |
| 8-K | Documents Interactive Data | Current report, item 5.07
Acc-no: 0000073088-23-000104 (34 Act) Size: 403 KB |
2023-05-03 | 001-10499 23882748 |
| 3 | Documents | Initial statement of beneficial ownership of securities Acc-no: 0000073088-23-000102 Size: 3 KB |
2023-05-01 | |
| 8-K | Documents Interactive Data | Current report, items 2.02, 7.01, and 9.01
Acc-no: 0000073088-23-000100 (34 Act) Size: 19 MB |
2023-04-28 | 001-10499 23861018 |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0000073088-23-000098 (34 Act) Size: 7 MB |
2023-04-28 | 001-10499 23859412 |