secwatch / observer
KNF Knife River Corp
CIK 0001955520 22 ready 8-Ks latest May 5, 2026, 7:59 PM ET RSS · JSON
Activity: ELEVATED 2 filings / 30d vs 0 baseline Risk accumulating: repeated leadership change (2)
Ready 8-Ks 22
Latest filing May 21, 2026, 4:37 PM ET
Top materiality 0.85
Event mix earnings ×12 · leadership ×3 · other_material ×3
Sentiment 10 pos · 3 neg · 9 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.

Earnings & guidance

2026-Q1 EPS reported -$1.40 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.68 · Most common event earnings

10 positive 3 negative 9 neutral

source · KNF on sec.gov