Listed

First Interstate Bancsystem Inc

FIBKNasdaqCIK 860413FinancialsFiscal year ends Dec 31

Revenue is not reported in this company’s XBRL financial statements.

Latest quarter: Q2 FY2026

Three months to Jun 30, 2026, against the same quarter a year earlier.

  • Revenuenot reported (Revenue not reported)No year-earlier figure to compare
  • Gross marginnot reported (Gross profit and Revenue not reported)No year-earlier figure to compare
  • Operating marginnot reported (Operating income and Revenue not reported)No year-earlier figure to compare
  • Net marginnot reported (Revenue not reported)No year-earlier figure to compare
  • Diluted EPS$0.87Diluted EPS, Q2 FY2026, three months to 2026-06-30$0.87 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-03, accession 0000860413-26-000084.Report this figure+26.1% on a year earlier
  • Free cash flownot reported (Capital expenditure not reported)No year-earlier figure to compare

Last eight quarters

Full statements
Diluted EPS$0.87, Q2 FY2026
First Interstate Bancsystem Inc, key figures for the last eight quarters
Line itemUnitQ3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30Shape over the periods
Revenue$not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)
Gross margin%not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)
Operating margin%not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)
Net margin%not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)
Diluted EPS$ per share0.54Diluted EPS, Q3 FY2024, three months to 2024-09-30$0.54 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-06, accession 0000860413-25-000165.Report this figurenot reported (Diluted EPS not reported)0.49Diluted EPS, Q1 FY2025, three months to 2025-03-31$0.49 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-07, accession 0000860413-26-000038.Report this figure0.69Diluted EPS, Q2 FY2025, three months to 2025-06-30$0.69 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-03, accession 0000860413-26-000084.Report this figure0.69Diluted EPS, Q3 FY2025, three months to 2025-09-30$0.69 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-06, accession 0000860413-25-000165.Report this figurenot reported (Diluted EPS not reported)0.61Diluted EPS, Q1 FY2026, three months to 2026-03-31$0.61 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-07, accession 0000860413-26-000038.Report this figure0.87Diluted EPS, Q2 FY2026, three months to 2026-06-30$0.87 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-03, accession 0000860413-26-000084.Report this figure
Free cash flow$not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Last five fiscal years

Diluted EPS$2.94, FY2025
First Interstate Bancsystem Inc, key figures for the last five fiscal years
Line itemUnitFY20212021-12-31FY20222022-12-31FY20232023-12-31FY20242024-12-31FY20252025-12-31Shape over the periods
Revenue$not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)
Gross margin%not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)
Operating margin%not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)
Net margin%not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)
Diluted EPS$ per share3.11Diluted EPS, FY2021, twelve months to 2021-12-31$3.11 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2024-02-29, accession 0000860413-24-000016.Report this figure1.96Diluted EPS, FY2022, twelve months to 2022-12-31$1.96 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2025-02-28, accession 0000860413-25-000022.Report this figure2.48Diluted EPS, FY2023, twelve months to 2023-12-31$2.48 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-26, accession 0000860413-26-000011.Report this figure2.19Diluted EPS, FY2024, twelve months to 2024-12-31$2.19 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-26, accession 0000860413-26-000011.Report this figure2.94Diluted EPS, FY2025, twelve months to 2025-12-31$2.94 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-26, accession 0000860413-26-000011.Report this figure
Free cash flow$not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)not reported (Capital expenditure not reported)

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Insider purchases and sales

All insider transactions

The last 20 open-market transactions reported on Form 4 (codes P and S). The reported price is the price per share the insider stated on the form: filing data, not a market price.

No open-market purchases or sales by insiders are in coverage from Nov 2024 to Oct 2026.

No open-market purchases or sales by insiders are in coverage for this company.

Funds that report holding it

All funds

From each manager's latest Form 13F, largest reported value first. Reported value is as filed at the quarter end: filing data, not a price. A put or call is an option position, not shares held.

Funds that report holding First Interstate Bancsystem Inc
FundQuarter endedReported valueSharesPut or callChange on the quarter before
BlackRock, Inc.2026-06-30$529.5m13,732,702Added+253,215
STATE STREET CORP2026-06-30$241.0m6,250,817Added+359,546
DIMENSIONAL FUND ADVISORS LP2026-06-30$223.0m5,783,231Added+152,442
VANGUARD PORTFOLIO MANAGEMENT LLC2026-06-30$212.3m5,506,456Added+15,918
First Interstate Bank2026-06-30$177.9m4,614,432Reduced−38,687
HoldCo Asset Management, LP2026-06-30$152.3m3,950,107Unchanged
WELLINGTON MANAGEMENT GROUP LLP2026-06-30$145.3m3,768,343Reduced−114,094
VANGUARD CAPITAL MANAGEMENT LLC2026-06-30$144.2m3,738,371Reduced−117,443
FMR LLC2026-06-30$95.0m2,463,971Reduced−1,413,225
GEODE CAPITAL MANAGEMENT, LLC2026-06-30$92.1m2,387,561Added+169,242

Recent filings

All 2,181 filings

Reports and events: 10-K, 10-Q, 8-K, proxy statements and ownership schedules.

First Interstate Bancsystem Inc, recent filings
FiledFormWhat it isAccession number
2026-10-2216:10 ET8-K2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits0000860413-26-000097
2026-09-1614:06 ET8-K5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits0000860413-26-000092
2026-08-2109:20 ET8-K5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits0000860413-26-000088
2026-08-0316:01 ET10-QQuarterly reportPeriod 2026-06-300000860413-26-000084
2026-07-2316:14 ET8-K2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits0000860413-26-000081
2026-07-1616:06 ET8-K5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits0000860413-26-000078
2026-07-0916:02 ET8-K5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits0000860413-26-000075
2026-05-2916:26 ET8-K5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits0000860413-26-000048
2026-05-1317:12 ET8-K5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits0000860413-26-000041
2026-05-0716:10 ET10-QQuarterly reportPeriod 2026-03-310000860413-26-000038

Latest annual report

Form 10-K for the fiscal year ended Dec 31, 2025Filed Feb 26, 2026. Its page lists the documents and the extracted sections, such as Business and Risk factors.

Forecast league

Not in this season’s league. The league lists companies whose quarter has ended and whose results are not yet filed.This season’s league

About the filer

CIK
860413
Tickers
FIBK
Exchange
Nasdaq
SIC code
6022 State Commercial Banks
Sector
Financials
Fiscal year ends
Dec 31
Incorporated in
DE
Filer category
Large accelerated filer
Former names
FIRST INTERSTATE BANCSYSTEM OF MONTANA INC (to 1999-03-09)

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 26, 2026, 15:46 ET. Listed shows no prices and gives no investment advice.