Business Context and Reporting Period
This Form 8-K Current Report was filed by First Interstate BancSystem, Inc. on May 11, 2026. The filing addresses a material change in executive leadership under Item 5.02, specifically the termination of the Chief Operations Officer (COO) and the appointment of a successor role.
Key Financial Metrics
The filing text does not provide specific financial data such as revenue, profit, cash flow, margins, debt, or liquidity metrics. This report focuses exclusively on personnel changes and the terms of a separation agreement.
Material Changes
- Executive Departure: Ms. Kristina Robbins was terminated as Executive Vice President and Chief Operations Officer effective immediately on May 11, 2026, without cause.
- Role Transition: Ms. Robbins has transitioned to the role of Executive Advisor to the CEO, Mr. James Reuter.
- Interim Leadership: The CEO, Mr. Reuter, will assume the COO responsibilities until a successor is appointed.
- Agreement Terms: A Transition and Separation Agreement was executed. Ms. Robbins will receive her current compensation and benefits through the expected completion date of August 1, 2026, provided she is not terminated for "cause" or resigns for "good reason."
Guidance, Outlook, and Risks
The filing contains forward-looking statements regarding the transition period and Ms. Robbins' continued service. Management notes that actual events may differ materially from expectations due to various risks and uncertainties. The company explicitly states it undertakes no obligation to update these forward-looking statements. No specific financial guidance or outlook was provided in this document.
Investor Verification Checklist
- Review the full text of the Transition and Separation Agreement (Exhibit 10.1) for specific definitions of "cause," "good reason," and "disability."
- Verify the timeline for the appointment of a permanent successor to the COO role.
- Check the most recent Form 10-K (filed February 26, 2026) for Ms. Robbins' original employment agreement terms referenced in the separation.
- Monitor future filings for any updates on the operational impact of the leadership transition.