Knife River Corp
KNF · Mining and Quarrying of Nonmetallic Minerals (No Fuels)
Latest available SEC filing: 4 ·
Latest disclosures
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Fagg Karen B: Form 4
Insider disclosure · Filed · Report period 30 Sep 2026
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Form 4
SEC filing · Filed
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Form SCHEDULE 13G/A
SEC filing · Filed
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Latest financial period: Q2 2026
Financial facts · Filed
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Form 10-Q
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- KNF · 498894104 - COMMON STOCK
Company details and SEC sources
CIK 0001955520 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- KNF on NYSE
- SEC industry group
- Mining and Quarrying of Nonmetallic Minerals (No Fuels) (Office of Energy and Transportation)
- Business address
- 1150 W. Century Ave,, Bismarck, ND, 58503
- Incorporated in
- DE
- Fiscal year end
- 31 December
- Former names on EDGAR
- Knife River Holding Co (to 01 Jun 2023)
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields