05/07/2024 6:43 AM | Knife River (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/01/2024 5:08 PM | Fagg Karen B (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/29/2024 10:18 AM | Knife River (Filer)
| Form ARS | |
03/29/2024 10:06 AM | Knife River (Filer)
| Form DEF 14A | |
03/29/2024 10:13 AM | Knife River (Filer)
| Form DEFA14A | |
02/26/2024 3:31 PM | Knife River (Issuer) Pladsen Glenn R. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/26/2024 3:32 PM | Knife River (Issuer) Ring Nathan W (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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02/26/2024 3:21 PM | Gray Brian R. (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/26/2024 3:21 PM | Kadrmas Marney L. (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/15/2024 6:08 AM | Knife River (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
01/23/2024 3:14 PM | BlackRock Inc. (Filed by) Knife River (Subject)
| Form SC 13G/A | |
11/16/2023 4:23 PM | Carmona-Alvarez German (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/16/2023 4:23 PM | EVERIST THOMAS S (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/16/2023 4:24 PM | Fagg Karen B (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/16/2023 4:24 PM | Knife River (Issuer) MOSS PATRICIA L (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/16/2023 4:25 PM | Knife River (Issuer) SANDBROOK WILLIAM J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/13/2023 10:42 AM | Knife River (Issuer) MDU RESOURCES GROUP INC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/07/2023 8:41 PM | Knife River (Filer)
| Form 424B4 | |
11/06/2023 3:16 PM | Knife River (Filer)
| Form 424B4 | |
11/06/2023 3:17 PM | Knife River (Filer)
| Form 424B3 | |
11/06/2023 6:43 AM | Knife River (Filer)
| Form 424B3 | |
11/06/2023 6:05 AM | Knife River (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
11/06/2023 6:08 AM | Knife River (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
09/28/2023 11:15 PM | Knife River (Filer)
| Form EFFECT | |
09/26/2023 5:56 AM | Knife River (Filer)
| Form S-1 Registration statement under Securities Act of 1933 | |
08/08/2023 4:22 PM | Knife River (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
08/08/2023 6:35 AM | Knife River (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/13/2023 4:18 PM | Christenson Nancy K. (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/13/2023 4:19 PM | Gray Brian R. (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/13/2023 4:19 PM | Hastings Trevor J (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/13/2023 4:19 PM | Kadrmas Marney L. (Reporting) Knife River (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/13/2023 4:20 PM | Knife River (Issuer) Pladsen Glenn R. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/13/2023 4:21 PM | Knife River (Issuer) Ring Nathan W (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/07/2023 3:35 PM | BlackRock Inc. (Filed by) Knife River (Subject)
| Form SC 13G | |
06/02/2023 5:26 PM | Knife River (Issuer) MDU RESOURCES GROUP INC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/02/2023 6:42 AM | Knife River (Filer)
| Form S-8 Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
06/02/2023 6:44 AM | Knife River (Filer)
| Form S-8 Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
06/01/2023 5:42 PM | Knife River (Issuer) SANDBROOK WILLIAM J (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
06/01/2023 5:42 PM | Hastings Trevor J (Reporting) Knife River (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
06/01/2023 5:43 PM | Kadrmas Marney L. (Reporting) Knife River (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
06/01/2023 5:43 PM | Knife River (Issuer) Pladsen Glenn R. (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
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06/01/2023 5:44 PM | Knife River (Issuer) Quade John F. (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
06/01/2023 5:35 PM | Carmona-Alvarez German (Reporting) Knife River (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
06/01/2023 5:35 PM | EVERIST THOMAS S (Reporting) Knife River (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
06/01/2023 5:36 PM | Fagg Karen B (Reporting) Knife River (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
06/01/2023 7:51 AM | Knife River (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/22/2023 12:57 PM | Knife River (Issuer) MOSS PATRICIA L (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
05/16/2023 3:41 PM | Knife River (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
05/12/2023 8:00 AM | Knife River (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/10/2023 4:41 PM | Knife River (Issuer) MDU RESOURCES GROUP INC (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
05/10/2023 4:43 PM | Goodin David L (Reporting) Knife River (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
05/10/2023 4:45 PM | Gray Brian R. (Reporting) Knife River (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
05/10/2023 4:45 PM | Knife River (Issuer) Liepitz Karl A (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
05/10/2023 4:46 PM | Knife River (Issuer) Vollmer Jason L (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
05/10/2023 4:46 PM | Christenson Nancy K. (Reporting) Knife River (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
05/10/2023 4:48 PM | Knife River (Issuer) Ring Nathan W (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
05/09/2023 7:45 AM | Knife River (Filer)
| Form CERT | |
05/08/2023 5:03 AM | Knife River (Filer)
| Form 10-12B/A | |