// company-profile
Knife River Corp
KNFExchangeNYSESectorMining & Quarrying of Nonmetallic Minerals (No Fuels)Inc.DEFilings69Insiders16
// api This Knife River Corp insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Knife River Corp insiders bought $18K across 7 transactions with no open-market sales.
- Most active insider: Fagg Karen B with 2 transactions totaling $18K.
- Largest single purchase: $18K by Fagg Karen B on Mar 31, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Knife River Corp as of 2026-03-31
Total reported AUM
$3.67B
QoQ change
+36.4%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$356.2M
4.4M shares
#2
Capital World Investors
CIK 1422849
$215.8M
2.6M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$207.9M
2.5M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 20, 2026 | SANDBROOK WILLIAM J | KNF | Award | 2,040 | $0.00 | $0K |
| May 20, 2026 | Carmona-Alvarez German | KNF | Award | 2,040 | $0.00 | $0K |
| May 20, 2026 | Chiodo Patricia | KNF | Award | 2,040 | $0.00 | $0K |
| May 20, 2026 | Fagg Karen B | KNF | Award | 2,380 | $0.00 | $0K |
| May 20, 2026 | Hill Thomas W. | KNF | Award | 2,040 | $0.00 | $0K |
45 more transactions hidden
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