Business Context and Reporting Period
Company: First Interstate BancSystem, Inc. (FIBK)
Filing Type: Form 8-K (Current Report)
Date of Report: June 5, 2025
Principal Executive Offices: Billings, MT
This filing announces the pricing and execution of an underwriting agreement for a new debt offering. The Company is a Delaware corporation with securities registered on the NASDAQ.
Key Financial Metrics and Transaction Details
This filing does not report periodic financial results (revenue, profit, cash flow, or margins). It details a specific capital raising event:
- Instrument: 7.625% Fixed-to-Floating Rate Subordinated Notes due 2035.
- Aggregate Principal Amount: $125,000,000.
- Underwriter: Keefe, Bruyette & Woods, Inc.
- Expected Closing Date: June 10, 2025.
- Issuing Entity: First Interstate BancSystem, Inc. (with First Interstate Bank as a party to the agreement).
Material Changes
The filing represents a material change in the Company's capital structure through the issuance of new subordinated debt. No comparative financial data or changes in operating metrics versus prior periods are provided in this document.
Guidance, Outlook, and Risks
Outlook and Closing Conditions: The offering is expected to close on June 10, 2025, subject to the satisfaction of customary closing conditions. The Company notes it may be unable to close the offering on the anticipated date or at all.
Risks and Contingencies:
- Forward-Looking Statements: The report contains predictive statements regarding the timing and completion of the offering, which are not guarantees of future performance.
- Uncertainty: Actual events may differ materially from expectations due to known and unknown risks beyond the Company's control.
- Legal Framework: The Notes will be issued pursuant to an Indenture dated May 15, 2020, supplemented by a Second Supplemental Indenture to be executed on the Closing Date.
Investor Verification Checklist
- Verify the final closing of the $125 million Notes offering on or around June 10, 2025.
- Review the attached Press Release (Exhibit 99.1) for specific use of proceeds and pricing details not fully elaborated in the 8-K text.
- Examine the Second Supplemental Indenture (to be filed upon closing) for specific covenants and redemption terms of the 7.625% Notes.
- Confirm the impact of this new debt issuance on the Company's regulatory capital ratios and leverage metrics in subsequent filings.