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KNF

Knife River Corp SEC filings
Mining & Quarrying of Nonmetallic Minerals (No Fuels) · NYSE · Incorporated in DE
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Filing history
2026-11-03
Quarterly report 10-Q
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2026-11-03
Current report 8-K
Earnings resultsReg FD disclosure
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2026-10-07
Passive 5%+ stake update SCHEDULE 13G/A
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2026-10-01
Insider trade 4
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2026-09-23
Current report 8-K
Reg FD disclosure
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2026-08-14
Passive 5%+ stake update SCHEDULE 13G/A
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2026-08-12
Passive 5%+ stake SCHEDULE 13G
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2026-08-04
Quarterly report 10-Q
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2026-08-04
Current report 8-K
Earnings resultsReg FD disclosure
Filing ↗
2026-07-31
Passive 5%+ stake SCHEDULE 13G
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2026-07-01
Insider trade 4
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2026-06-17
Employee plan report 11-K
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2026-05-21
Insider trade 4
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2026-05-21
Insider trade 4
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2026-05-21
Insider trade 4
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2026-05-21
Insider trade 4
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2026-05-21
Insider trade 4
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2026-05-21
Insider trade 4
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2026-05-21
New insider's holdings 3
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2026-05-21
Current report 8-K
Exec/director changeShareholder vote
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2026-05-18
Current report 8-K
Material agreementNew debt
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2026-05-15
Passive 5%+ stake update SCHEDULE 13G/A
Filing ↗
2026-05-05
Quarterly report 10-Q
Filing ↗
2026-05-05
Current report 8-K
Earnings resultsReg FD disclosure
Filing ↗
2026-04-30
Passive 5%+ stake SCHEDULE 13G
Filing ↗
2026-04-06
Annual report to shareholders ARS
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2026-04-06
Proxy material DEFA14A
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2026-04-06
Proxy statement (shareholder vote) DEF 14A
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2026-04-01
Insider trade 4
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2026-03-27
Passive 5%+ stake update SCHEDULE 13G/A
Filing ↗
2026-03-09
Insider trade 4
Filing ↗
2026-03-05
Insider trade 4
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2026-03-05
Insider trade 4
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2026-03-05
Insider trade 4
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2026-03-05
Insider trade 4
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2026-03-05
Insider trade 4
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2026-03-05
Insider trade 4
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2026-02-20
Annual report 10-K
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2026-02-17
Insider trade 4
Filing ↗
2026-02-17
Insider trade 4
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