KNIFE RIVER CORP (KNF) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-08-14
10:38 am
Purchase
2026-06-3013GKNIFE RIV HLDG CO COM
KNF
T. Rowe Price Associates, Inc.5,116,450
9.000%
619,184increase
(+13.77%)
Filing
History
2026-08-12
5:40 pm
Purchase
2026-06-3013GKNIFE RIV HLDG CO COM
KNF
Capital World Investors3,244,201
5.700%
3,244,201increase
(New Position)
Filing
History
2026-07-31
11:19 am
Purchase
2026-06-3013GKNIFE RIV HLDG CO COM
KNF
VANGUARD PORTFOLIO MANAGEMENT LLC2,870,086
5.050%
2,870,086increase
(New Position)
Filing
History
2026-05-15
10:07 am
Purchase
2026-03-3113GKNIFE RIV HLDG CO COM
KNF
T. Rowe Price Associates, Inc.4,497,266
7.900%
705,729increase
(+18.61%)
Filing
History
2026-04-30
11:04 am
Purchase
2026-03-3113GKNIFE RIV HLDG CO COM
KNF
VANGUARD CAPITAL MANAGEMENT LLC2,979,706
5.250%
2,979,706increase
(New Position)
Filing
History
2026-03-27
10:20 am
Sale
2026-03-1313GKNIFE RIV HLDG CO COM
KNF
VANGUARD GROUP INC0
0.000%
-6,044,184decrease
(Position Closed)
Filing
History
2025-11-14
12:19 pm
Purchase
2025-09-3013GKNIFE RIV HLDG CO COM
KNF
T. Rowe Price Associates, Inc.3,791,537
6.700%
807,740increase
(+27.07%)
Filing
History
2025-08-14
1:07 pm
Purchase
2025-06-3013GKNIFE RIV HLDG CO COM
KNF
T. Rowe Price Associates, Inc.2,983,797
5.300%
2,983,797increase
(New Position)
Filing
History
2024-02-13
5:07 pm
Sale
2023-12-2913GKNIFE RIV HLDG CO COM
KNF
VANGUARD GROUP INC6,044,184
10.690%
-40,563decrease
(-0.67%)
Filing
History
2024-01-23
4:14 pm
Purchase
2023-12-3113GKNIFE RIV HLDG CO COM
KNF
BlackRock Inc.
BLK
6,707,973
11.900%
811,228increase
(+13.76%)
Filing
History
2023-12-08
4:16 pm
Purchase
2023-11-3013GKNIFE RIV HLDG CO COM
KNF
VANGUARD GROUP INC6,084,747
10.760%
6,084,747increase
(New Position)
Filing
History
2023-07-07
4:35 pm
Purchase
2023-06-3013GKNIFE RIV HLDG CO COM
KNF
BlackRock Inc.
BLK
5,896,745
10.400%
5,896,745increase
(New Position)
Filing
History