First Interstate BancSystem Inc

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First Interstate BancSystem Inc (FIBK) SEC filings

First Interstate BancSystem Inc (FIBK) SEC filings — 10-K, 10-Q, 8-K, and Form 4 as cached from EDGAR. When an exhibit lands, this page shows the headline, the numbers, and why it matters.

Those exhibit numbers sit next to the income-statement cache: Latest reported FIBK revenue for 2025-12-31 was $1.18B. Net income was $302.1M. Revenue was down 9.6% from 2024-12-31 to 2025-12-31. FIBK currently screens at market cap $3.46B. The FIBK filings page is the source view; the stock page is the research view.

EDGAR remains the official archive. Lician caches 8-K exhibits so you can read what First Interstate BancSystem Inc said without waiting on a live EDGAR scrape. Item 2.02 is the earnings exhibit — this page prefers EX-99.1 revenue, growth, EPS, and guidance over a form-type label. Form 4 insider prints stay on the same ticker timeline.

Earnings & events

All events

Event insights for FIBK — what management said, what changed, and why it matters.

Recent filings

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FIBK SEC filings FAQ

What is the latest FIBK SEC filing?

The latest cached First Interstate BancSystem Inc (FIBK) filing on this page is 8-K · Sep 16, 2026. Filings: https://lician.com/sec/fibk

What is the latest FIBK filing accession number?

The latest cached First Interstate BancSystem Inc (FIBK) accession number on this page is 0000860413-26-000092. Filing: https://lician.com/sec/fibk/0000860413-26-000092

Which item codes are on the latest FIBK filing?

Cached item codes on the latest First Interstate BancSystem Inc (FIBK) 8-K are 5.02, 9.01.

How many FIBK SEC filings are listed on this page?

This page lists 4 cached First Interstate BancSystem Inc (FIBK) SEC filings. Filings: https://lician.com/sec/fibk

What events are listed on the FIBK SEC page?

Cached event headlines on this First Interstate BancSystem Inc (FIBK) SEC page: "FIBK earnings". Events: https://lician.com/sec/fibk

What are FIBK's latest revenue and net income?

Latest cached First Interstate BancSystem Inc (FIBK) revenue for Dec 31, 2025 was $1.18B. Net income was $302.1M. Statements: https://lician.com/financials/fibk