FIRST INTERSTATE BANCSYSTEM INC

FIBK · Nasdaq · SIC 6022: State Commercial Banks
173
SEC Filings

Business Summary

Our Company We are a financial and bank holding company focused on community banking. Since our incorporation in Montana in 1971, we have grown both organically and through strategic acquisitions. As of February 20, 2026, we operated 290 banking offices, including branches and detached drive-up facilities, in communities across 12 states Colorado, Idaho, Iowa, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming. Through our bank subsidiary, First I...

Next Earnings

Q2 FY2026 — expected 2026-09-14

Key Facts from Earnings Calls

TypeSubjectDetailQuarter
topic_mentionFIBKdiscussed_in_filing Cybersecurity
topic_mentionFIBKdiscussed_in_filing Cybersecurity

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-02-262025-12-310000860413-26-000011EDGAR94K words
2025-02-282024-12-310000860413-25-000022EDGAR—
2024-02-292023-12-310000860413-24-000016EDGAR—
2023-02-242022-12-310000860413-23-000045EDGAR—
2022-02-252021-12-310000860413-22-000065EDGAR—
2021-03-012020-12-310000860413-21-000102EDGAR—
2020-02-272019-12-310000860413-20-000054EDGAR—
2019-02-272018-12-310000860413-19-000026EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2025-11-062025-09-300000860413-25-000165EDGAR41K words
2025-08-062025-06-300000860413-25-000117EDGAR—
2025-05-072025-03-310000860413-25-000060EDGAR—
2024-11-042024-09-300000860413-24-000130EDGAR—
2024-08-022024-06-300000860413-24-000118EDGAR—
2024-05-032024-03-310000860413-24-000066EDGAR—
2023-11-032023-09-300000860413-23-000186EDGAR—
2023-08-042023-06-300000860413-23-000171EDGAR—
2023-05-052023-03-310000860413-23-000087EDGAR—
2022-11-072022-09-300000860413-22-000202EDGAR—
2022-08-052022-06-300000860413-22-000191EDGAR—
2022-05-092022-03-310000860413-22-000134EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-01-280000860413-26-000007EDGAR16K words
2025-11-180000860413-25-000168EDGAR—
2025-10-290000860413-25-000160EDGAR—
2025-10-160000860413-25-000155EDGAR—
2025-10-140000860413-25-000152EDGAR—
2025-09-090000860413-25-000147EDGAR—
2025-09-020000860413-25-000137EDGAR—
2025-08-280000860413-25-000129EDGAR—
2025-08-180000860413-25-000122EDGAR—
2025-08-150000860413-25-000119EDGAR—

173 total filings indexed. 143 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

SRCE — 1ST SOURCE CORP ACNB — ACNB CORP ASB — ASSOCIATED BANC-CORP AUBN — AUBURN NATIONAL BANCORPORATION, INC ALLY — Ally Financial Inc. AMAL — Amalgamated Financial Corp. ABCB — Ameris Bancorp AUB — Atlantic Union Bankshares Corp

Company Identity

CIK0000860413
TickerFIBK
ExchangeNasdaq
SIC6022: State Commercial Banks
IncorporatedDE

Get More Data

This is the free public profile. For structured JSON with full provenance chain, use the API:

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: 3d22b9692668392389f98a1ecc12b030948ad9c3da5c8e40645a7fb5e07528e5
parent: edab903ac364146377c1ebb5fb70329597605d2ac08230c6162015ab776ce4c1
content hash: e21a0b55ae93da92fe955332c59145201cd2af1acac815bb49fa4626d4a46595
signed: 2026-04-13T04:45:03.268Z
sources: 20 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf