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KNF

Knife River Corp

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4128
SEC CIK
0001955520
Parsed reports
91

Last 12 months

Inside the activity.

0 purchase rows · 0 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202600
Feb 202600
Mar 202600
Apr 202600
May 202600
Jun 202600
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Sep 202600
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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 30, 2026 Filed Oct 2, 2026 00:54 UTC
Fagg Karen BDirector
GrantPhantom Stock · Derivative 329.852 $53.43 $17,624.98
Disclosure

SEC source: 0001225208-26-008063 · doc4.xml · derivative · entry 2

Fagg Karen B · CIK 0001345449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,588.99

Underlying: Common Stock · 329.852 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.exercise_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.expiration_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

Read SEC document
June 30, 2026 Filed Jul 1, 2026 21:20 UTC
Fagg Karen BDirector
GrantPhantom Stock · Derivative 197.479 $89.25 $17,625.00
Disclosure

SEC source: 0001225208-26-006292 · doc4.xml · derivative · entry 2

Fagg Karen B · CIK 0001345449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,259.138

Underlying: Common Stock · 197.479 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.exercise_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.expiration_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

Read SEC document
May 20, 2026 Filed May 21, 2026 21:11 UTC GrantCommon Stock 2,040 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-005538 · doc4.xml · nonDerivative · entry 1

Chiodo Patricia · CIK 0001488448 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,553

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 20, 2026 Filed May 21, 2026 21:13 UTC GrantCommon Stock 2,040 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-005540 · doc4.xml · nonDerivative · entry 1

Hill Thomas W. · CIK 0001440948 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,496

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 20, 2026 Filed May 21, 2026 21:13 UTC GrantCommon Stock 2,040 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-005541 · doc4.xml · nonDerivative · entry 1

MOSS PATRICIA L · CIK 0001190817 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,874

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 20, 2026 Filed May 21, 2026 21:12 UTC
Fagg Karen BDirector
GrantCommon Stock 2,380 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-005539 · doc4.xml · nonDerivative · entry 1

Fagg Karen B · CIK 0001345449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,317

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 20, 2026 Filed May 21, 2026 21:14 UTC GrantCommon Stock 2,040 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-005542 · doc4.xml · nonDerivative · entry 1

SANDBROOK WILLIAM J · CIK 0001527678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,735

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 20, 2026 Filed May 21, 2026 21:10 UTC GrantCommon Stock 2,040 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-005537 · doc4.xml · nonDerivative · entry 1

Carmona-Alvarez German · CIK 0001954052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,025

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 21:41 UTC
Fagg Karen BDirector
GrantPhantom Stock · Derivative 221.676 $79.51 $17,625.02
Disclosure

SEC source: 0001225208-26-004138 · doc4.xml · derivative · entry 2

Fagg Karen B · CIK 0001345449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,061.659

Underlying: Common Stock · 221.676 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.exercise_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.expiration_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 16:44 UTC
Gray Brian R.Director · President & CEO
GrantCommon Stock 20,955 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-003419 · doc4.xml · nonDerivative · entry 1

Gray Brian R. · CIK 0001966900 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,747

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2028, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 16:46 UTC
Ring Nathan WVice President & CFO
GrantCommon Stock 5,211 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-003291 · doc4.xml · nonDerivative · entry 1

Ring Nathan W · CIK 0001596125 · Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,530

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2028, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 16:45 UTC
Hastings Trevor JVice President & COO
GrantCommon Stock 6,130 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-003290 · doc4.xml · nonDerivative · entry 1

Hastings Trevor J · CIK 0001719997 · Vice President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,760

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2028, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 16:47 UTC
Liepitz Karl AVP, Chief Legal Officer & Sec.
GrantCommon Stock 4,611 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-003292 · doc4.xml · nonDerivative · entry 1

Liepitz Karl A · CIK 0001840120 · VP, Chief Legal Officer & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,312

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2028, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 21:49 UTC
Kadrmas Marney L.VP & Chief Accounting Officer
GrantCommon Stock 1,199 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-003295 · doc4.xml · nonDerivative · entry 1

Kadrmas Marney L. · CIK 0001979052 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,917

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2028, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 21:49 UTC
Pladsen Glenn R.VP & Chief Excellence Officer
GrantCommon Stock 2,950 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-003294 · doc4.xml · nonDerivative · entry 1

Pladsen Glenn R. · CIK 0001978493 · VP & Chief Excellence Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,094

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2028, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 21:48 UTC
LaChapelle Sarah L.VP & Chief People Officer
GrantCommon Stock 2,713 $0.00 $0.00
Disclosure

SEC source: 0001225208-26-003293 · doc4.xml · nonDerivative · entry 1

LaChapelle Sarah L. · CIK 0002064646 · VP & Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,578

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2028, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 16:31 UTC
Gray Brian R.Director · President & CEO
Tax withholdingCommon Stock 19,572 $81.74 $1,599,815.28
Disclosure

SEC source: 0001225208-26-001962 · doc4.xml · nonDerivative · entry 2

Gray Brian R. · CIK 0001966900 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,792

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 16:31 UTC
Gray Brian R.Director · President & CEO
Tax withholdingCommon Stock 10,072 $81.74 $823,285.28
Disclosure

SEC source: 0001225208-26-001962 · doc4.xml · nonDerivative · entry 1

Gray Brian R. · CIK 0001966900 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,364

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 16:23 UTC
Ring Nathan WVice President & CFO
Tax withholdingCommon Stock 4,336 $81.74 $354,424.64
Disclosure

SEC source: 0001225208-26-001959 · doc4.xml · nonDerivative · entry 2

Ring Nathan W · CIK 0001596125 · Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,319

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 16:23 UTC
Ring Nathan WVice President & CFO
Tax withholdingCommon Stock 1,922 $81.74 $157,104.28
Disclosure

SEC source: 0001225208-26-001959 · doc4.xml · nonDerivative · entry 1

Ring Nathan W · CIK 0001596125 · Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,655

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 16:27 UTC
Hastings Trevor JVice President & COO
Tax withholdingCommon Stock 4,599 $81.74 $375,922.26
Disclosure

SEC source: 0001225208-26-001960 · doc4.xml · nonDerivative · entry 2

Hastings Trevor J · CIK 0001719997 · Vice President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,630

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 16:27 UTC
Hastings Trevor JVice President & COO
Tax withholdingCommon Stock 2,880 $81.74 $235,411.20
Disclosure

SEC source: 0001225208-26-001960 · doc4.xml · nonDerivative · entry 1

Hastings Trevor J · CIK 0001719997 · Vice President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,229

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 16:32 UTC
Liepitz Karl AVP, Chief Legal Officer & Sec.
Tax withholdingCommon Stock 8,648 $81.74 $706,887.52
Disclosure

SEC source: 0001225208-26-001963 · doc4.xml · nonDerivative · entry 1

Liepitz Karl A · CIK 0001840120 · VP, Chief Legal Officer & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,701

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 21:38 UTC
Pladsen Glenn R.VP & Chief Excellence Officer
Tax withholdingCommon Stock 1,569 $81.74 $128,250.06
Disclosure

SEC source: 0001225208-26-001964 · doc4.xml · nonDerivative · entry 2

Pladsen Glenn R. · CIK 0001978493 · VP & Chief Excellence Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,144

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 21:38 UTC
Pladsen Glenn R.VP & Chief Excellence Officer
Tax withholdingCommon Stock 1,385 $81.74 $113,209.90
Disclosure

SEC source: 0001225208-26-001964 · doc4.xml · nonDerivative · entry 1

Pladsen Glenn R. · CIK 0001978493 · VP & Chief Excellence Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,713

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
February 12, 2026 Filed Feb 17, 2026 21:21 UTC
Kadrmas Marney L.VP & Chief Accounting Officer
Tax withholdingCommon Stock 1,232 $81.74 $100,703.68
Disclosure

SEC source: 0001225208-26-001958 · doc4.xml · nonDerivative · entry 1

Kadrmas Marney L. · CIK 0001979052 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,718

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

Read SEC document
May 22, 2025 Filed May 27, 2025 20:44 UTC GrantCommon Stock 1,551 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-005470 · doc4.xml · nonDerivative · entry 1

Chiodo Patricia · CIK 0001488448 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,513

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 22, 2025 Filed May 27, 2025 20:45 UTC GrantCommon Stock 1,551 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-005472 · doc4.xml · nonDerivative · entry 1

Hill Thomas W. · CIK 0001440948 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,456

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 22, 2025 Filed May 27, 2025 20:46 UTC GrantCommon Stock 1,551 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-005473 · doc4.xml · nonDerivative · entry 1

MOSS PATRICIA L · CIK 0001190817 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,834

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 22, 2025 Filed May 27, 2025 20:45 UTC
Fagg Karen BDirector
GrantCommon Stock 1,810 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-005471 · doc4.xml · nonDerivative · entry 1

Fagg Karen B · CIK 0001345449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,937

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 22, 2025 Filed May 27, 2025 20:47 UTC GrantCommon Stock 1,551 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-005474 · doc4.xml · nonDerivative · entry 1

SANDBROOK WILLIAM J · CIK 0001527678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,695

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
May 22, 2025 Filed May 27, 2025 20:43 UTC GrantCommon Stock 1,551 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-005469 · doc4.xml · nonDerivative · entry 1

Carmona-Alvarez German · CIK 0001954052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,985

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
February 28, 2025 Filed Mar 3, 2025 17:29 UTC
Gray Brian R.Director · President & CEO
GrantCommon Stock 12,599 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-002700 · doc4.xml · nonDerivative · entry 1

Gray Brian R. · CIK 0001966900 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,436

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2027, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
February 27, 2025 Filed Mar 3, 2025 17:21 UTC
Ring Nathan WVice President & CFO
Tax withholdingCommon Stock 1,698 $94.73 $160,851.54
Disclosure

SEC source: 0001225208-25-002693 · doc4.xml · nonDerivative · entry 2

Ring Nathan W · CIK 0001596125 · Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,577

F3 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a RSU award.

Read SEC document
February 27, 2025 Filed Mar 3, 2025 17:21 UTC
Ring Nathan WVice President & CFO
GrantCommon Stock 3,114 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-002693 · doc4.xml · nonDerivative · entry 1

Ring Nathan W · CIK 0001596125 · Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,275

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2027, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

F2 · balance_after: Includes 1 previously granted RSU that was not previously reported as held by the reporting person due to an administrative error.

Read SEC document
February 27, 2025 Filed Mar 3, 2025 17:26 UTC
Hastings Trevor JVice President & COO
Tax withholdingCommon Stock 4,016 $94.73 $380,435.68
Disclosure

SEC source: 0001225208-25-002699 · doc4.xml · nonDerivative · entry 2

Hastings Trevor J · CIK 0001719997 · Vice President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,109

F3 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a RSU award.

Read SEC document
February 27, 2025 Filed Mar 3, 2025 17:26 UTC
Hastings Trevor JVice President & COO
GrantCommon Stock 3,114 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-002699 · doc4.xml · nonDerivative · entry 1

Hastings Trevor J · CIK 0001719997 · Vice President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,125

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2027, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

F2 · balance_after: Includes 1 previously granted RSU that was not previously reported as held by the reporting person due to an administrative error.

Read SEC document
February 27, 2025 Filed Mar 3, 2025 17:25 UTC
Liepitz Karl AVP, Chief Legal Officer & Sec.
Tax withholdingCommon Stock 7,083 $94.73 $670,972.59
Disclosure

SEC source: 0001225208-25-002698 · doc4.xml · nonDerivative · entry 2

Liepitz Karl A · CIK 0001840120 · VP, Chief Legal Officer & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,349

F3 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a RSU award.

Read SEC document
February 27, 2025 Filed Mar 3, 2025 17:25 UTC
Liepitz Karl AVP, Chief Legal Officer & Sec.
GrantCommon Stock 2,770 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-002698 · doc4.xml · nonDerivative · entry 1

Liepitz Karl A · CIK 0001840120 · VP, Chief Legal Officer & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,432

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2027, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

F2 · balance_after: Includes 1 previously granted RSU that was not previously reported as held by the reporting person due to an administrative error.

Read SEC document
February 27, 2025 Filed Mar 3, 2025 22:20 UTC
Kadrmas Marney L.VP & Chief Accounting Officer
GrantCommon Stock 709 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-002692 · doc4.xml · nonDerivative · entry 1

Kadrmas Marney L. · CIK 0001979052 · VP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,950

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2027, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Read SEC document
February 27, 2025 Filed Mar 3, 2025 22:25 UTC
Pladsen Glenn R.VP & Chief Excellence Officer
Tax withholdingCommon Stock 1,292 $94.73 $122,391.16
Disclosure

SEC source: 0001225208-25-002696 · doc4.xml · nonDerivative · entry 2

Pladsen Glenn R. · CIK 0001978493 · VP & Chief Excellence Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,098

F2 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a RSU award.

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February 27, 2025 Filed Mar 3, 2025 22:25 UTC
Pladsen Glenn R.VP & Chief Excellence Officer
GrantCommon Stock 1,786 $0.00 $0.00
Disclosure

SEC source: 0001225208-25-002696 · doc4.xml · nonDerivative · entry 1

Pladsen Glenn R. · CIK 0001978493 · VP & Chief Excellence Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,390

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2027, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

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February 27, 2025 Filed Mar 3, 2025 22:18 UTC
Christenson Nancy K.VP of Administration
Tax withholdingCommon Stock 1,583 $94.73 $149,957.59
Disclosure

SEC source: 0001225208-25-002691 · doc4.xml · nonDerivative · entry 1

Christenson Nancy K. · CIK 0001974711 · VP of Administration

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,776

F1 · shares: Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a RSU award.

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December 31, 2024 Filed Jan 2, 2025 20:17 UTC
Fagg Karen BDirector
GrantPhantom Stock · Derivative 173.765 $101.43 $17,624.98
Disclosure

SEC source: 0001225208-25-000018 · doc4.xml · derivative · entry 2

Fagg Karen B · CIK 0001345449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 839.983

Underlying: Common Stock · 173.765 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.exercise_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.expiration_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

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September 30, 2024 Filed Oct 1, 2024 20:52 UTC
Fagg Karen BDirector
GrantPhantom Stock · Derivative 197.556 $89.22 $17,624.96
Disclosure

SEC source: 0001225208-24-008945 · doc4.xml · derivative · entry 2

Fagg Karen B · CIK 0001345449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 666.218

Underlying: Common Stock · 197.556 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.exercise_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.expiration_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

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June 28, 2024 Filed Jun 28, 2024 21:04 UTC
Fagg Karen BDirector
GrantPhantom Stock · Derivative 250.071 $70.48 $17,625.00
Disclosure

SEC source: 0001225208-24-007022 · doc4.xml · derivative · entry 2

Fagg Karen B · CIK 0001345449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 468.662

Underlying: Common Stock · 250.071 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.exercise_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

F1 · derivative.expiration_date: Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director.

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June 27, 2024 Filed Jun 28, 2024 21:15 UTC GrantCommon Stock 1,962 $0.00 $0.00
Disclosure

SEC source: 0001225208-24-007033 · doc4.xml · nonDerivative · entry 1

Chiodo Patricia · CIK 0001488448 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,962

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

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May 15, 2024 Filed May 16, 2024 22:24 UTC GrantCommon Stock 1,905 $0.00 $0.00
Disclosure

SEC source: 0001225208-24-006120 · doc4.xml · nonDerivative · entry 1

Hill Thomas W. · CIK 0001440948 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,905

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

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May 15, 2024 Filed May 16, 2024 22:25 UTC GrantCommon Stock 720 $77.19 $55,576.80
Disclosure

SEC source: 0001225208-24-006121 · doc4.xml · nonDerivative · entry 2

MOSS PATRICIA L · CIK 0001190817 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,283

F2 · shares: Represents shares of common stock of the issuer granted to the reporting person for service on the board of directors from January 1, 2024 through May 14, 2024.

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May 15, 2024 Filed May 16, 2024 22:25 UTC GrantCommon Stock 1,905 $0.00 $0.00
Disclosure

SEC source: 0001225208-24-006121 · doc4.xml · nonDerivative · entry 1

MOSS PATRICIA L · CIK 0001190817 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,563

F1 · shares: Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.