First Interstate Bancsystem Files 8-K

Ticker: FIBK · Form: 8-K · Filed: Oct 29, 2025 · CIK: 860413

First Interstate Bancsystem INC 8-K Filing Summary
FieldDetail
CompanyFirst Interstate Bancsystem INC (FIBK)
Form Type8-K
Filed DateOct 29, 2025
Risk Levellow
Pages2
Reading Time3 min
Key Dollar Amounts$0.00001, $0.47
Sentimentneutral

Sentiment: neutral

Topics: 8-K, financial-condition, disclosure

Related Tickers: FIBK

TL;DR

FIBK filed an 8-K on Oct 29, 2025, reporting on financial condition and other events.

AI Summary

On October 29, 2025, First Interstate Bancsystem, Inc. filed an 8-K report. The filing primarily concerns the company's results of operations and financial condition, along with Regulation FD disclosures and other events. Specific financial details or significant transactions are not detailed in the provided excerpt.

Why It Matters

This filing indicates that First Interstate Bancsystem, Inc. is providing updates on its financial performance and other material information to the public, as required by the SEC.

Risk Assessment

Risk Level: low — The filing is a standard 8-K report, indicating routine disclosure rather than an immediate, high-impact event.

Key Players & Entities

FAQ

What specific events are detailed in the 8-K filing?

The filing indicates it covers 'Results of Operations and Financial Condition', 'Regulation FD Disclosure', and 'Other Events', but the specific details are not provided in the excerpt.

When was this 8-K report filed?

The report was filed as of October 29, 2025.

What is the principal business of First Interstate Bancsystem, Inc.?

The Standard Industrial Classification code indicates 'STATE COMMERCIAL BANKS [6022]'.

Where are First Interstate Bancsystem, Inc.'s principal executive offices located?

The principal executive offices are located at 401 North 31st Street, Billings, MT 59101.

What is the SEC file number for this registrant?

The SEC file number is 001-34653.

Filing Stats: 694 words · 3 min read · ~2 pages · Grade level 10.5 · Accepted 2025-10-29 16:06:08

Key Financial Figures

Filing Documents

02 Results of Operations and Financial Condition

Item 2.02 Results of Operations and Financial Condition. On October 29, 2025, First Interstate BancSystem, Inc. (the "Company") issued a press release regarding its financial results for the quarter ended September 30, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated by reference herein. Neither the information included or incorporated by reference under this Item 2.02, nor the press release furnished herewith, shall be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or incorporated by reference into any registration statement or other document filed pursuant to the Securities Act of 1933 (the "Securities Act") or the Exchange Act, except as expressly set forth by specific reference in such filing.

01 Regulation FD Disclosure

Item 7.01 Regulation FD Disclosure. On October 29, 2025, the Company posted a new corporate presentation (the "Presentation") on the Events & Presentations page of the Company's website at https://www.fibk.com. The Presentation, which is furnished with this Current Report as Exhibit 99.2 and incorporated herein by reference, updates previously furnished presentations and provides an overview of the Company and its operations. Neither the information included or incorporated by reference under this Item 7.01, nor the Presentation furnished herewith, shall be deemed to be "filed" for purposes of Section 18 of the Exchange Act or incorporated by reference into any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such a filing.

01 Other Events

Item 8.01 Other Events. On October 29, 2025, the Company also announced that the Board of Directors of the Company declared, on October 28, 2025, a dividend of $0.47 per share, that is payable November 20, 2025 to shareholders of record of the Company as of November 10, 2025.

01 Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits. (d) Exhibit Number Description 99.1 Press Release dated October 29, 2025. 99.2 Presentation 104 Cover Page Interactive Data File (embedded within Inline XBRL document).

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities and Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: October 29, 2025 FIRST INTERSTATE BANCSYSTEM, INC. By: /s/ JAMES A. REUTER James A. Reuter President and Chief Executive Officer

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