KNF

Knife River Corp

Insider trading activity for Knife River Corp, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 31 most recent Form 4 transactions.

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Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jun 30	Fagg Karen B	Director	AGRANT◆	197.48	$89.25	$17.6K	—	Open the original filing on SEC.gov
May 20	Sandbrook William J	Director	AGRANT	2,040	—	—	+35.8%	Open the original filing on SEC.gov
May 20	Moss Patricia L	Director	AGRANT	2,040	—	—	+6.8%	Open the original filing on SEC.gov
May 20	Hill Thomas W.	Director	AGRANT	2,040	—	—	+59.0%	Open the original filing on SEC.gov
May 20	Fagg Karen B	Director	AGRANT	2,380	—	—	+7.7%	Open the original filing on SEC.gov
May 20	Chiodo Patricia	Director	AGRANT	2,040	—	—	+58.1%	Open the original filing on SEC.gov
May 20	Carmona-Alvarez German	Director	AGRANT	2,040	—	—	+29.2%	Open the original filing on SEC.gov
Mar 31	Fagg Karen B	Director	AGRANT◆	221.68	$79.51	$17.6K	—	Open the original filing on SEC.gov
Mar 6	Gray Brian R.	President & CEO	AGRANT	20,955	—	—	+32.9%	Open the original filing on SEC.gov
Mar 4	Pladsen Glenn R.	VP & Chief Excellence…	AGRANT	2,950	—	—	+15.4%	Open the original filing on SEC.gov
Mar 4	LaChapelle Sarah L.	VP & Chief People…	AGRANT	2,713	—	—	+145.5%	Open the original filing on SEC.gov
Mar 4	Liepitz Karl A	VP, Chief Legal Officer…	AGRANT	4,611	—	—	+11.6%	Open the original filing on SEC.gov
Mar 4	Ring Nathan W	Vice President & CFO	AGRANT	5,211	—	—	+20.6%	Open the original filing on SEC.gov
Mar 4	Kadrmas Marney L.	VP & Chief Accounting…	AGRANT	1,199	—	—	+32.3%	Open the original filing on SEC.gov
Mar 4	Hastings Trevor J	Vice President & COO	AGRANT	6,130	—	—	+15.1%	Open the original filing on SEC.gov
Feb 12	Pladsen Glenn R.	VP & Chief Excellence…	FTAX	1,569	$81.74	$128.3K	-7.6%	Open the original filing on SEC.gov
Feb 12	Pladsen Glenn R.	VP & Chief Excellence…	FTAX	1,385	$81.74	$113.2K	-6.3%	Open the original filing on SEC.gov
Feb 12	Liepitz Karl A	VP, Chief Legal Officer…	FTAX	8,648	$81.74	$706.9K	-17.9%	Open the original filing on SEC.gov
Feb 12	Ring Nathan W	Vice President & CFO	FTAX	4,336	$81.74	$354.4K	-14.6%	Open the original filing on SEC.gov
Feb 12	Ring Nathan W	Vice President & CFO	FTAX	1,922	$81.74	$157.1K	-6.1%	Open the original filing on SEC.gov
Feb 12	Kadrmas Marney L.	VP & Chief Accounting…	FTAX	1,232	$81.74	$100.7K	-24.9%	Open the original filing on SEC.gov
Feb 12	Hastings Trevor J	Vice President & COO	FTAX	4,599	$81.74	$375.9K	-10.2%	Open the original filing on SEC.gov
Feb 12	Hastings Trevor J	Vice President & COO	FTAX	2,880	$81.74	$235.4K	-6.0%	Open the original filing on SEC.gov
Feb 12	Gray Brian R.	President & CEO	FTAX	19,572	$81.74	$1.6M	-23.5%	Open the original filing on SEC.gov
Feb 12	Gray Brian R.	President & CEO	FTAX	10,072	$81.74	$823.3K	-10.8%	Open the original filing on SEC.gov
May 22, 2025	Sandbrook William J	Director	AGRANT	1,551	—	—	+37.4%	Open the original filing on SEC.gov
May 22, 2025	Moss Patricia L	Director	AGRANT	1,551	—	—	+5.5%	Open the original filing on SEC.gov
May 22, 2025	Hill Thomas W.	Director	AGRANT	1,551	—	—	+81.4%	Open the original filing on SEC.gov
May 22, 2025	Fagg Karen B	Director	AGRANT	1,810	—	—	+6.2%	Open the original filing on SEC.gov
May 22, 2025	Chiodo Patricia	Director	AGRANT	1,551	—	—	+79.0%	Open the original filing on SEC.gov
May 22, 2025	Carmona-Alvarez German	Director	AGRANT	1,551	—	—	+28.5%	Open the original filing on SEC.gov

AGRANT◆$17.6K

Fagg Karen B · DirectorJun 30

197.48 sh @ $89.25

AGRANT—

Sandbrook William J · DirectorMay 20

2,040 sh · +35.8% own

AGRANT—

Moss Patricia L · DirectorMay 20

2,040 sh · +6.8% own

AGRANT—

Hill Thomas W. · DirectorMay 20

2,040 sh · +59.0% own

AGRANT—

Fagg Karen B · DirectorMay 20

2,380 sh · +7.7% own

AGRANT—

Chiodo Patricia · DirectorMay 20

2,040 sh · +58.1% own

AGRANT—

Carmona-Alvarez German · DirectorMay 20

2,040 sh · +29.2% own

AGRANT◆$17.6K

Fagg Karen B · DirectorMar 31

221.68 sh @ $79.51

AGRANT—

Gray Brian R. · President & CEOMar 6

20,955 sh · +32.9% own

AGRANT—

Pladsen Glenn R. · VP & Chief Excelle…Mar 4

2,950 sh · +15.4% own

AGRANT—

LaChapelle Sarah L. · VP & Chief People…Mar 4

2,713 sh · +145.5% own

AGRANT—

Liepitz Karl A · VP, Chief Legal…Mar 4

4,611 sh · +11.6% own

AGRANT—

Ring Nathan W · Vice President &…Mar 4

5,211 sh · +20.6% own

AGRANT—

Kadrmas Marney L. · VP & Chief Account…Mar 4

1,199 sh · +32.3% own

AGRANT—

Hastings Trevor J · Vice President &…Mar 4

6,130 sh · +15.1% own

FTAX$128.3K

Pladsen Glenn R. · VP & Chief Excelle…Feb 12

1,569 sh @ $81.74 · -7.6% own

FTAX$113.2K

Pladsen Glenn R. · VP & Chief Excelle…Feb 12

1,385 sh @ $81.74 · -6.3% own

FTAX$706.9K

Liepitz Karl A · VP, Chief Legal…Feb 12

8,648 sh @ $81.74 · -17.9% own

FTAX$354.4K

Ring Nathan W · Vice President &…Feb 12

4,336 sh @ $81.74 · -14.6% own

FTAX$157.1K

Ring Nathan W · Vice President &…Feb 12

1,922 sh @ $81.74 · -6.1% own

FTAX$100.7K

Kadrmas Marney L. · VP & Chief Account…Feb 12

1,232 sh @ $81.74 · -24.9% own

FTAX$375.9K

Hastings Trevor J · Vice President &…Feb 12

4,599 sh @ $81.74 · -10.2% own

FTAX$235.4K

Hastings Trevor J · Vice President &…Feb 12

2,880 sh @ $81.74 · -6.0% own

FTAX$1.6M

Gray Brian R. · President & CEOFeb 12

19,572 sh @ $81.74 · -23.5% own

FTAX$823.3K

Gray Brian R. · President & CEOFeb 12

10,072 sh @ $81.74 · -10.8% own

AGRANT—

Sandbrook William J · DirectorMay 22, 2025

1,551 sh · +37.4% own

AGRANT—

Moss Patricia L · DirectorMay 22, 2025

1,551 sh · +5.5% own

AGRANT—

Hill Thomas W. · DirectorMay 22, 2025

1,551 sh · +81.4% own

AGRANT—

Fagg Karen B · DirectorMay 22, 2025

1,810 sh · +6.2% own

AGRANT—

Chiodo Patricia · DirectorMay 22, 2025

1,551 sh · +79.0% own

AGRANT—

Carmona-Alvarez German · DirectorMay 22, 2025

1,551 sh · +28.5% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 27 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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