Knife River Corp

KNF · NYSE · SIC 1400: Mining & Quarrying of Nonmetallic Minerals (No Fuels) · Market Cap: $5.3B · 5,298 employees
41
SEC Filings
$61.24
Close 2026-09-02
5,298
Employees

Business Summary

Knife River Corporation is an aggregates-based construction materials and contracting services provider operating across 14 U.S. states. The company mines and processes aggregates (crushed stone, sand and gravel), produces and sells ready-mix concrete and asphalt, supplies liquid asphalt through its Energy Services segment, and provides contracting services including asphalt paving, heavy-civil construction, concrete construction, and site development. It operates 208 active aggregate sites, 135 ready-mix plants, 55 asphalt plants, and 9 liquid asphalt terminals with 1.3 billion tons of aggregate reserves.

Latest Stock Quote

KNF 2026-09-02 $61.24 O:$60.88 H:$62.5 L:$60.73 Vol:1.6M VWAP:$61.3974
origin leaf: null

Next Earnings

expected 2026-12-23

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-02-202025-12-310001955520-26-000003EDGAR64K words
2025-02-212024-12-310001955520-25-000010EDGAR69K words
2024-02-272023-12-310001955520-24-000007EDGAR73K words

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-08-042026-06-300001628280-26-052748EDGAR24K words
2025-11-052025-09-300001955520-25-000069EDGAR26K words
2025-08-052025-06-300001955520-25-000060EDGAR26K words
2025-05-062025-03-310001955520-25-000034EDGAR22K words
2024-11-042024-09-300001955520-24-000051EDGAR28K words
2024-08-062024-06-300001955520-24-000040EDGAR27K words
2024-05-072024-03-310001955520-24-000026EDGAR23K words
2023-11-062023-09-300001955520-23-000020EDGAR34K words
2023-08-082023-06-300001955520-23-000014EDGAR33K words
2023-05-162023-03-310001955520-23-000006EDGAR26K words

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-09-230001628280-26-063145EDGAR1K words
2026-08-040001628280-26-052184EDGAR8K words
2026-02-170001628280-26-008306EDGAR8K words
2025-11-040001955520-25-000065EDGAR9K words
2025-08-050001955520-25-000057EDGAR9K words
2025-05-280001955520-25-000043EDGAR20K words
2025-05-060001955520-25-000031EDGAR8K words
2025-03-280001955520-25-000016EDGAR5K words
2025-03-100001955520-25-000013EDGAR1K words
2025-02-130001955520-25-000006EDGAR9K words

41 total filings indexed. 18 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

FEAM — 5E Advanced Materials, Inc. BLTH — AMERICAN BATTERY MATERIALS, INC. ABAT — AMERICAN BATTERY TECHNOLOGY Co ACRG — American Clean Resources Group, Inc. ATLX — Atlas Lithium Corp BMXI — BROOKMOUNT EXPLORATIONS INC GRO — Brazil Potash Corp. LEU — CENTRUS ENERGY CORP

Tags

public-infrastructure-(highways,-local-roads,-bridges) commercial-construction residential-development industrial-construction federal,-state-and-municipal-government-projects private-development-projects

Company Identity

CIK0001955520
TickerKNF
ExchangeNYSE
SIC1400: Mining & Quarrying of Nonmetallic Minerals (No Fuels)
IncorporatedDE
HeadquartersBismarck, North Dakota
Websitehttps://www.kniferiver.com
Listed2023-05-25

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: 9a32721577429ef2439cc13420645f451d1a303487b02da7dca95f1099261d27
parent: 0c563088896eaf6b6f56b0a3f16b9c006e1e30cd8083f871e991540483f2b9a5
content hash: c52120284e3b816e63f624da0a6b184247dcc97ec2f79272ca8972e5c29c016d
signed: 2026-09-28T19:01:54.914Z
sources: 13 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up KNF using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

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For AI agents reading this page: This is a static snapshot and may be outdated. For live data on KNF, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/KNF (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
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