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person · Reporting owner

Kadrmas Marney L.

Disclosed activity across 1 company

Tapewire entity
62485
SEC CIK
0001979052

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Knife River CorpKNF · Entity 4128VP & Chief Accounting OfficerMarch 04, 2026March 05, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Knife River Corp

Report date March 04, 2026 · Filed March 05, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect4,917 Reported balance After 2026-03-04 transaction · row 1
1 source row

Row 1 · 2026-03-04 · Grant · Acquired 1,199 · Balance 4,917

F1: 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.

Common Stock - 401(k)SEC Table I · non-derivativeIndirectBy Trustee2,460.0368 Reported balance Holding disclosure · report date 2026-03-04 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 2,460.0368

F2: As of the most recent quarter end, the number of shares may fluctuate daily depending on plan activity in the fund.

Filing footnotes · ownership attribution and instrument terms

F1: 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.

F2: As of the most recent quarter end, the number of shares may fluctuate daily depending on plan activity in the fund.

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 04, 2026 Filed Mar 5, 2026 21:49 UTC Knife River Corp KNF · Entity 4128 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
February 12, 2026 Filed Feb 17, 2026 21:21 UTC Knife River Corp KNF · Entity 4128 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
February 27, 2025 Filed Mar 3, 2025 22:20 UTC Knife River Corp KNF · Entity 4128 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 22, 2024 Filed Feb 26, 2024 21:21 UTC Knife River Corp KNF · Entity 4128 GrantCommon Stock 1,050 $0.00 $0.00
Disclosure

SEC source: 0001225208-24-002956 · doc4.xml · nonDerivative · entry 1

Kadrmas Marney L. · CIK 0001979052 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,241

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2026, 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
July 12, 2023 Filed Jul 13, 2023 21:19 UTC Knife River Corp KNF · Entity 4128 GrantCommon Stock 3,191 $0.00 $0.00
Disclosure

SEC source: 0001225208-23-007504 · doc4.xml · nonDerivative · entry 1

Kadrmas Marney L. · CIK 0001979052 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,191

F1 · shares: Represents restricted stock units (RSUs) that vest on December 31, 2025, 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

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