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First Interstate BancSystem, Inc. (FIBK)

First Interstate BancSystem, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

First Interstate BancSystem, Inc. (FIBK) is a Banks - Regional company based in US with a market capitalization of $3.5B. Revenue declined 28.5% year-over-year and the company generated $277.8M in free cash flow. This page tracks FIBK's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 3.48K employees · IPO Mar 24, 2010

Valuation

Valuation & price

$34.08 · as of May 17, 2026 · -12.6% vs 52w high

11.6

P/E ratio

Latest-FY diluted EPS

1.01

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$39.00$33.89$28.79Jul 25Dec 25Jun 26Jul 7, 25$30.71Jul 9, 25$31.18Jul 11, 25$31.04Jul 15, 25$29.99Jul 17, 25$30.77Jul 21, 25$30.53Jul 23, 25$30.47Jul 25, 25$29.73Jul 29, 25$29.38Jul 31, 25$28.79Aug 4, 25$29.28Aug 6, 25$29.17Aug 8, 25$29.24Aug 12, 25$30.05Aug 14, 25$30.61Aug 19, 25$30.16Aug 21, 25$30.03Aug 25, 25$31.83Aug 27, 25$32.20Aug 29, 25$32.72Sep 3, 25$32.48Sep 5, 25$32.55Sep 9, 25$32.49Sep 11, 25$32.48Sep 15, 25$32.42Sep 17, 25$32.44Sep 19, 25$33.45Sep 23, 25$33.25Sep 25, 25$32.69Sep 29, 25$32.13Oct 2, 25$31.69Oct 6, 25$32.00Oct 8, 25$31.72Oct 10, 25$30.36Oct 14, 25$32.30Oct 16, 25$29.31Oct 20, 25$31.12Oct 22, 25$31.34Oct 24, 25$31.63Oct 28, 25$32.26Oct 30, 25$31.48Nov 3, 25$31.76Nov 5, 25$32.20Nov 7, 25$32.49Nov 11, 25$32.42Nov 14, 25$31.33Nov 18, 25$29.98Nov 20, 25$30.60Nov 24, 25$31.72Nov 26, 25$32.80Dec 1, 25$33.03Dec 3, 25$33.33Dec 5, 25$34.11Dec 9, 25$34.20Dec 11, 25$35.47Dec 15, 25$35.64Dec 17, 25$35.54Dec 19, 25$35.76Dec 23, 25$35.90Dec 26, 25$35.93Dec 31, 25$34.60Jan 5, 26$36.05Jan 7, 26$36.88Jan 9, 26$37.21Jan 13, 26$36.47Jan 15, 26$37.27Jan 20, 26$36.11Jan 22, 26$38.22Jan 26, 26$36.72Jan 28, 26$36.66Jan 30, 26$35.47Feb 3, 26$37.60Feb 5, 26$38.00Feb 9, 26$39.00Feb 11, 26$37.93Feb 17, 26$37.97Feb 19, 26$37.14Feb 23, 26$35.77Feb 25, 26$36.34Feb 27, 26$34.61Mar 3, 26$34.73Mar 5, 26$35.00Mar 9, 26$34.02Mar 11, 26$33.76Mar 13, 26$33.13Mar 17, 26$33.10Mar 19, 26$32.28Mar 23, 26$33.16Mar 25, 26$33.63Mar 27, 26$32.81Apr 1, 26$33.55Apr 6, 26$33.85Apr 8, 26$34.04Apr 10, 26$34.03Apr 14, 26$34.25Apr 16, 26$33.77Apr 20, 26$34.46Apr 22, 26$34.48Apr 24, 26$34.85Apr 28, 26$35.68Apr 30, 26$35.49May 4, 26$34.99May 6, 26$36.39May 8, 26$36.42May 12, 26$34.59May 15, 26$34.08May 19, 26$34.36May 21, 26$35.20May 26, 26$36.13May 28, 26$35.60Jun 1, 26$34.73Jun 3, 26$34.32Jun 5, 26$35.57Jun 9, 26$36.10Jun 11, 26$36.56Jun 15, 26$36.43Jun 17, 26$35.64Jun 22, 26$36.71Jun 24, 26$37.88Jun 30, 26$38.50
$28.4152-week range$39.00
Loading valuation history…

Fundamentals

Key fundamentals

$3.5B

Market cap

-28.5%

Revenue growth (YoY)

97.5%

Gross margin

$277.8M

Free cash flow (USD)

$417.5M

Net debt

-0.4%

Share dilution

4/4

Graham criteria passed

Defensive-investor screen

Financial Services

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$429.7MFY 2017$519.6MFY 2018$612.2MFY 2019$696.6MFY 2020$680.3MFY 2021$656.0MFY 2022$1.2BFY 2023$1.4BFY 2024$1.5BFY 2025$1.1B
$429.7M$1.1B

Free cash flow by year

2016 → 2025

FY 2016$106.1MFY 2017$115.6MFY 2018$214.1MFY 2019$110.7MFY 2020$238.1MFY 2021$272.0MFY 2022$523.9MFY 2023$399.8MFY 2024$332.0MFY 2025$277.8M
$106.1M$277.8M

Gross margin by year

2021 → 2025

FY 202199.6%FY 202286.4%FY 202369.6%FY 202462.9%FY 202597.5%
99.6%97.5%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

5

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 7, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $163KScott Jonathan R · 10% Owner · $163.3KJun 18, 2026Filing
  • Insider sellInsider Sell $339KScott Jonathan R · 10% Owner · $339.1KJun 18, 2026Filing
  • Insider sellInsider Sell $540KSCOTT JULIE A · 10% Owner · $539.5KJun 18, 2026Filing
  • Insider sellInsider Sell $459KScott Jonathan R · 10% Owner · $458.7KJun 4, 2026Filing
  • 8-K eventDirector RetirementsMay 29, 2026Filing
  • FinancingSecurities RegistrationMay 26, 2026Filing
  • 8-K eventExecutive Transition AgreementMay 13, 2026Filing
  • Quarterly report10-Q FiledMay 7, 2026Filing
  • Insider sellInsider Sell $1.9MScott Jonathan R · 10% Owner · $1.9MMay 1, 2026Filing
  • 8-K eventEarnings ReleaseApr 29, 2026Filing

Questions

Frequently asked questions

What is First Interstate BancSystem, Inc.'s market cap?

First Interstate BancSystem, Inc. (FIBK) has a market capitalization of $3.5B.

What is FIBK's P/E ratio?

FIBK trades at a price-to-earnings ratio of 11.6, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is FIBK's price-to-book (P/B) ratio?

FIBK trades at 1.01 times book value per share.

Are insiders buying FIBK stock?

SEC Form 4 filings show no open-market insider buys at First Interstate BancSystem, Inc. in the last 90 days (5 sells).

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Timeline

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.