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Knife Riv SEC Filings

NYSE: KNFIndustrialsMining & Quarrying of Nonmetallic Minerals (No Fuels)USD

49.84-2.43 (-4.65%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Knife Riv filing overview

This page lists 60 recent SEC filings by Knife Riv (KNF), including 31 4, 12 8-K, 5 SCHEDULE 13G/A, 5 10-Q. The latest annual report (10-K) was filed on Feb 20, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 4, 2026.

The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 23, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.

Summary generated from market data by MetaCap's automated system. Methodology

KNF SEC filings

Knife Riv SEC filings
FiledFormDescriptionDocument
Oct 7, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Oct 1, 20264Statement of changes in beneficial ownershipView on EDGAR
Sep 23, 20268-KRegulation FD DisclosureView on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 12, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Aug 4, 20268-KResults of Operations and Financial Condition; Regulation FD DisclosureView on EDGAR
Aug 4, 202610-QKNIFE RIVER FORM 10-Q 06-30-2026View on EDGAR
Jul 31, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jul 1, 20264Statement of changes in beneficial ownershipView on EDGAR
May 21, 20264Statement of changes in beneficial ownershipView on EDGAR
May 21, 20264Statement of changes in beneficial ownershipView on EDGAR
May 21, 20264Statement of changes in beneficial ownershipView on EDGAR
May 21, 20264Statement of changes in beneficial ownershipView on EDGAR
May 21, 20264Statement of changes in beneficial ownershipView on EDGAR
May 21, 20264Statement of changes in beneficial ownershipView on EDGAR
May 21, 20268-KDeparture or Appointment of Directors or Officers; Compensatory Arrangements; Submission of Matters to a Vote of Security HoldersView on EDGAR
May 18, 20268-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementView on EDGAR
May 15, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
May 5, 20268-KResults of Operations and Financial Condition; Regulation FD DisclosureView on EDGAR
May 5, 202610-QKNIFE RIVER FORM 10-Q 03-31-2026View on EDGAR
Apr 30, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Apr 6, 2026DEF 14ADefinitive proxy statementView on EDGAR
Apr 1, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 27, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Mar 9, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 20, 202610-KKNIFE RIVER FORM 10-K 2025View on EDGAR
Feb 17, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 17, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 17, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 17, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 17, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 17, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 17, 20268-KResults of Operations and Financial Condition; Regulation FD DisclosureView on EDGAR
Nov 14, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Nov 5, 202510-QKNIFE RIVER FORM 10-Q 09-30-2025View on EDGAR
Nov 4, 20258-KResults of Operations and Financial Condition; Regulation FD DisclosureView on EDGAR
Aug 14, 2025SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Aug 5, 20258-KResults of Operations and Financial Condition; Regulation FD DisclosureView on EDGAR
Aug 5, 202510-QKNIFE RIVER FORM 10-Q 06-30-2025View on EDGAR
May 28, 20258-KMaterial Modification to Rights of Security Holders; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Submission of Matters to a Vote of Security HoldersView on EDGAR
May 27, 20254Statement of changes in beneficial ownershipView on EDGAR
May 27, 20254Statement of changes in beneficial ownershipView on EDGAR
May 27, 20254Statement of changes in beneficial ownershipView on EDGAR
May 27, 20254Statement of changes in beneficial ownershipView on EDGAR
May 27, 20254Statement of changes in beneficial ownershipView on EDGAR
May 27, 20254Statement of changes in beneficial ownershipView on EDGAR
May 6, 20258-KResults of Operations and Financial Condition; Regulation FD DisclosureView on EDGAR
May 6, 202510-QKNIFE RIVER FORM 10-Q 03-31-2025View on EDGAR
Apr 7, 2025DEF 14ADefinitive proxy statementView on EDGAR
Mar 28, 20258-KOther EventsView on EDGAR
Mar 10, 20258-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement; Other EventsView on EDGAR
Mar 3, 20254Statement of changes in beneficial ownershipView on EDGAR
Mar 3, 20254Statement of changes in beneficial ownershipView on EDGAR
Mar 3, 20254Statement of changes in beneficial ownershipView on EDGAR

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