Form 8-K - Current report:
SEC Accession No. 0001628280-26-030137
Filing Date
2026-05-05
Accepted
2026-05-05 07:52:32
Documents
13
Period of Report
2026-05-05
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 KNIFE RIVER CORPORATION 8-K knf-20260505.htm   iXBRL 8-K 23359
2 KNIFE RIVER CORPORATION EX-99 a2026q1ex99.htm EX-99 362029
  Complete submission text file 0001628280-26-030137.txt   557697

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT knf-20260505.xsd EX-101.SCH 2181
4 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT knf-20260505_def.xml EX-101.DEF 14745
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT knf-20260505_lab.xml EX-101.LAB 26114
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT knf-20260505_pre.xml EX-101.PRE 15410
16 EXTRACTED XBRL INSTANCE DOCUMENT knf-20260505_htm.xml XML 2817
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: 8-K | Act: 34 | File No.: 001-41642 | Film No.: 26940495
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)