Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001955520-25-000010
Filing Date
2025-02-21
Accepted
2025-02-21 09:04:38
Documents
141
Period of Report
2024-12-31

Document Format Files

Seq Description Document Type Size
1 KNIFE RIVER FORM 10-K 2024 knf-20241231.htm   iXBRL 10-K 3417788
2 KNIFE RIVER 401(K) RETIREMENT PLAN a2024ex1018.htm EX-10.18 12353
3 KNIFE RIVER INSIDER TRADING POLICY a2024ex19.htm EX-19 65497
4 KNIFE RIVER CORPORATION LIST OF SUBSIDIARIES a2024ex21.htm EX-21 27221
5 KNIFE RIVER AUDITOR CONSENT a2024ex23.htm EX-23 2041
6 KNIFE RIVER CERTIFICATION OF CHIEF EXECUTIVE OFFICER a2024q4ex311.htm EX-31.1 9165
7 KNIFE RIVER CERTIFICATION OF CHIEF FINANCIAL OFFICER a2024q4ex312.htm EX-31.2 8812
8 KNIFE RIVER CERTIFICATION OF CEO AND CFO a2024q4ex32.htm EX-32 5326
9 KNIFE RIVER MINE SAFETY DISCLOSURES a2024q4ex95.htm EX-95 141824
10 KNIFE RIVER PROPERTIES MAP knf-20241231_g1.jpg GRAPHIC 194190
  Complete submission text file 0001955520-25-000010.txt   17219199

Data Files

Seq Description Document Type Size
11 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT knf-20241231.xsd EX-101.SCH 88711
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT knf-20241231_cal.xml EX-101.CAL 139234
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT knf-20241231_def.xml EX-101.DEF 460982
14 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT knf-20241231_lab.xml EX-101.LAB 1100815
15 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT knf-20241231_pre.xml EX-101.PRE 814588
144 EXTRACTED XBRL INSTANCE DOCUMENT knf-20241231_htm.xml XML 3128987
Mailing Address 1150 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1150 W. CENTURY AVE, BISMARCK ND 58503 701-530-1400
Knife River Corp (Filer) CIK: 0001955520 (see all company filings)

EIN.: 921008893 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-41642 | Film No.: 25648644
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)