secwatch / observer
KNF Knife River Corp
CIK 0001955520 26 ready 8-Ks latest August 4, 2026, 8:40 AM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 0 baseline Risk accumulating: repeated leadership change (2)
Ready 8-Ks 26
Latest filing August 4, 2026, 8:40 AM ET
Top materiality 0.85
Event mix earnings ×13 · other_material ×6 · leadership ×3
Sentiment 10 pos · 3 neg · 13 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for KNF

Executive changes

Role change

Marney L. Kadrmas

Senior Vice President of Financial Strategy
KNF · Knife River Corp
Effective
2026-05-21
Successor
Peggy S. Rebstock
Filed
May 21, 2026, 4:37 PM ET
On May 20, 2026, Marney L. Kadrmas was named Senior Vice President of Financial Strategy, instead of her former title as Vice President and Chief Accounting Officer, effective as of May 21, 2026.
Appointed

Peggy S. Rebstock

Vice President, Chief Accounting Officer and Controller
KNF · Knife River Corp
Effective
2026-05-21
Filed
May 21, 2026, 4:37 PM ET
On May 20, 2026, the board of directors (the “Board”) of Knife River Corporation (the “Company”) appointed Peggy S. Rebstock, the Company’s current Vice President of Financial Planning and Analysis, to serve as the Vice President, Chief Accounting Officer and Controller of the Company, effective May 21, 2026.
Departed

Nancy K. Christenson

Vice President of Administration
KNF · Knife River Corp
Filed
January 17, 2025, 6:59 PM ET
On January 17, 2025, Nancy K. Christenson, Vice President of Administration of Knife River Corporation (the “Company”), informed the Company of her decision to retire from the Company in April of 2025.
Appointed

Patricia Chiodo

Director
KNF · Knife River Corp
Effective
2024-06-27
Filed
June 27, 2024, 7:59 PM ET
On June 27, 2024, the Board of Directors (the “Board”) of Knife River Corporation (the “Company”), pursuant to the Amended and Restated Certificate of Incorporation of the Company and the Amended and Restated Bylaws of the Company, approved an increase of the size of the Board from six directors to seven directors, and appointed Patricia Chiodo to the Board as a Class II director, effective June 27, 2024, to serve until the 2025 Annual Meeting of Stockholders.
Appointed

Karl A. Liepitz

Vice President, Chief Legal Officer and Secretary
KNF · Knife River Corp
Effective
2023-05-31
Filed
June 1, 2023, 7:59 PM ET
Karl A. Liepitz Vice President, Chief Legal Officer and Secretary
Appointed

Nancy K. Christenson

Vice President of Administration
KNF · Knife River Corp
Effective
2023-05-31
Filed
June 1, 2023, 7:59 PM ET
Nancy K. Christenson Vice President of Administration
Appointed

John F. Quade

Vice President of Business Development
KNF · Knife River Corp
Effective
2023-05-31
Filed
June 1, 2023, 7:59 PM ET
John F. Quade Vice President of Business Development
Appointed

Trevor J. Hastings

Vice President and Chief Operating Officer
KNF · Knife River Corp
Effective
2023-05-31
Filed
June 1, 2023, 7:59 PM ET
Trevor J. Hastings Vice President and Chief Operating Officer
Appointed

Marney L. Kadrmas

Chief Accounting Officer
KNF · Knife River Corp
Effective
2023-05-31
Filed
June 1, 2023, 7:59 PM ET
Marney L. Kadrmas Chief Accounting Officer
Departed

Jason L. Vollmer

Director
KNF · Knife River Corp
Effective
2023-05-31
Filed
June 1, 2023, 7:59 PM ET
David L. Goodin, Karl A. Liepitz and Jason L. Vollmer, who had been serving as members of the Board, ceased to be directors of the Company.
Appointed

Glenn R. Pladsen

Vice President of Support Services
KNF · Knife River Corp
Effective
2023-05-31
Filed
June 1, 2023, 7:59 PM ET
Glenn R. Pladsen Vice President of Support Services
Appointed

Thomas Everist

Director
KNF · Knife River Corp
Effective
2023-05-31
Filed
June 1, 2023, 7:59 PM ET
Each of Karen B. Fagg, German Carmona Alvarez, Thomas Everist and William Sandbrook was elected as a director of the Company as of immediately prior to the Effective Time.

Earnings & guidance

2026-Q1 EPS reported -$1.40 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.70 · Most common event earnings

10 positive 3 negative 13 neutral

source · KNF on sec.gov