Knife River Corp

For the period ended Jun 30, 2026. Filed Aug 4, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 4, 2026

KNF$58.94+4.5%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

See the whole filing, with its images and exhibits

Contents

Exhibits Index

Index

Exhibits Index
Incorporated by Reference
Exhibit Number · Exhibit Description · FiledHerewith · FurnishedHerewith · Form · PeriodEnded · Exhibit · FilingDate · File Number
3.1	Second Amended and Restated Certificate of Incorporation of Knife River Corporation			8-K	3.1	5/28/25	1-41642
3.2	Second Amended and Restated Bylaws of Knife River Corporation			8-K	3.2	5/28/25	1-41642
4.1	Fourth Supplemental Indenture, dated as of April 20, 2026, by and among the parties that are signatories hereto as Guarantors, Knife River Corporation and U.S. Bank Trust Company, National Association	X
4.2	Second Amendment, dated as of May 15, 2026, among Knife River Corporation, as borrower, the guarantors party thereto, the lenders and other parties party thereto, and JPMorgan Chase Bank, N.A., as administrative agent			8-K	10.1	5/18/26	1-41642
10.1+	Knife River Corporation Director Compensation Policy, as amended May 20, 2026	X
10.2+	Offer Letter, dated May 20, 2026, between Knife River Corporation and Peggy S. Rebstock			8-K	10.1	5/21/26	1-41642
31.1	Certification of Chief Executive Officer filed pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	X
31.2	Certification of Chief Financial Officer filed pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	X
32	Certification of Chief Executive Officer and Chief Financial Officer furnished pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002		X
95	Mine Safety Disclosures	X
101.INS	XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)
+ Management contract, compensatory plan or arrangement.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.