First Interstate BancSystem, Inc.
First Interstate BancSystem, Inc. (FIBK) SEC Filings & 10-K Annual Reports
SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.
SEC EDGAR · data.sec.gov · CIK 0000860413 · FIBK · NASDAQ · as of Jun 8, 2026
Filing snapshot
Source: SEC EDGAR (data.sec.gov) · CIK 0000860413 · Updated hourly · Not investment advice
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SEC Filing History
About SEC Filings & 10-K Annual Reports
First Interstate BancSystem, Inc. (NASDAQ: FIBK) has submitted 1,001+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2010. As a Financial Services sector company with CIK 0000860413, all filings are publicly accessible via the EDGAR database at no cost.
The annual 10-K report is First Interstate BancSystem, Inc.'s most comprehensive regulatory disclosure. The most recent First Interstate BancSystem, Inc. 10-K was filed on 2026-02-26 for fiscal year ending 2026. Historical FIBK 10-K annual reports are available from 2018 through 2026.
Investors researching First Interstate BancSystem, Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.
Frequently Asked Questions
FIBK SEC Filings · 8 questionsFirst Interstate BancSystem, Inc. (FIBK) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,001+ filings and access original documents at no cost. First Interstate BancSystem, Inc.'s CIK is 0000860413.