Form 8-K - Current report:
SEC Accession No. 0001955520-25-000043
Filing Date
2025-05-28
Accepted
2025-05-28 17:00:12
Documents
15
Period of Report
2025-05-22
Items
Item 3.03: Material Modifications to Rights of Security Holders
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 5.07: Submission of Matters to a Vote of Security Holders

Document Format Files

Seq Description Document Type Size
1 8-K knf-20250522.htm   iXBRL 8-K 49375
2 EX-3.1 exhibit31-secondamendedres.htm EX-3.1 40097
3 EX-3.2 exhibit32-secondamendedres.htm EX-3.2 278729
  Complete submission text file 0001955520-25-000043.txt   580482

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT knf-20250522.xsd EX-101.SCH 2054
5 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT knf-20250522_def.xml EX-101.DEF 15233
6 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT knf-20250522_lab.xml EX-101.LAB 27017
7 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT knf-20250522_pre.xml EX-101.PRE 15958
17 EXTRACTED XBRL INSTANCE DOCUMENT knf-20250522_htm.xml XML 2917
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.: 25996199
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)