Skip to content
Baker Capital StrategiesMARKETS. FILINGS. PERSPECTIVE.
Powered by THEMA

BAKER CAPITAL STRATEGIES

Get the free weekly BCS email.

Selected company filings and market updates, delivered by email. Your first report will follow soon.

  • Your weekly BCS reportMarket updates and links to filings you can explore.
  • THEMA at launchWe’ll send directions for setting up your filing alerts when THEMA officially opens.

One signup for the weekly email and your free THEMA Basic account at launch.

Already registered or a CSW member?Log in to THEMA →

At least 8 characters. This also creates your free THEMA account for launch.

You’re signing up for the weekly BCS email and THEMA launch/setup updates. Unsubscribe using the link in any email. Privacy policy · Terms

BCS
Home/The Filing Wire/First Interstate BancSystem, Inc./ 10-Q

Quarterly Report · 10-Q

First Interstate BancSystem, Inc.

FIBKNASDAQEQUITYCurrent

Quarterly Report

Filed Nov 2, 2026Accepted Nov 2, 2026, 4:16 PM ESTCIK 860413Accession 0000860413-26-000100
View company →Permanent SEC source ↗
Share

Company context

First Interstate BancSystem, Inc. is a financial and bank holding company focused on community banking. Incorporated in 1971 and headquartered in Billings, Montana, the Company currently operates banking offices, including detached drive-up facilities, in communities across Arizona, Colorado, Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming, in addition to offering online and mobile banking services. Through the Company’s bank subsidiary, First Interstate Bank, the Company delivers a comprehensive range of banking products and services to individuals, businesses, municipalities, and others throughout the Company’s market areas.

Current securities

FIBKNASDAQ · EQUITY · Current

Recent company filings

  1. Results of Operations and Financial Condition · Regulation FD Disclosure · Other EventsOct 22, 2026
  2. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsSep 16, 2026
  3. 144 filingSep 11, 2026
  4. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsAug 21, 2026
  5. 10-Q filingAug 3, 2026

Registered securities in this filing

FIRST INTERSTATE BANCSYSTEM, INC. · 10-Q · Filed 2026-11-02

As filed in this accession. Current/historical status below comes from the governed listing record; the cover itself remains exact to this filing.

Common Stock, $0.00001 par value

Symbol
FIBK
Exchange
NASDAQ
Classification
COMMON
Status
Current
Filing context

Context: c-1

Dimensions: Not supplied

Accession 000086041326000100 · 1 registered-security cover member

Read the exact SEC filing ↗

As-filed source

Primary evidence
As filedOpen full document ↗

Privacy choices

BCS measures page use with Google Analytics using regional consent settings. You can change your preference here. Charts and market data remain available.

Essential functions — always available. Security, navigation, registration and remembering these choices.

Audience analytics

Analytics cookies are off by default for visitors Google identifies in the EEA, UK or Switzerland until allowed. Limited measurement without analytics cookies may still occur under those regional defaults.

TradingView charts, quotes and the economic calendar load automatically as page content. TradingView receives network and browser information and may collect its own usage analytics. This choice controls BCS’s Google Analytics only.

Google advertising is not enabled. Direct sponsor links do not load advertising trackers on BCS.

Turning analytics off stops future Google Analytics activity here. It does not erase information already received by the provider. Read the privacy policy.