Company Description
First Interstate BancSystem, Inc. (NASDAQ: FIBK) is a financial and bank holding company focused on community banking. Incorporated in Delaware and headquartered in Billings, Montana, the company is the parent of First Interstate Bank, a community bank that delivers banking and financial services across multiple U.S. states. According to company disclosures, First Interstate operates banking offices, including detached drive-up facilities, in communities across Arizona, Colorado, Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming, and also offers online and mobile banking services.
First Interstate BancSystem is classified in the commercial banking industry within the broader finance and insurance sector. Through First Interstate Bank, the company delivers banking products and services to individuals, businesses, municipalities, and other clients in its market areas. The bank describes itself as a community bank and a recognized leader in community banking services, emphasizing strong values and a commitment to its employees, shareholders, clients, and the communities it serves.
In its public descriptions, the company notes that it delivers financial solutions across a wide geographic footprint in the western and midwestern United States. Earlier descriptions highlight that First Interstate Bank offers a range of internet, mobile, and other banking and financial services, and that it serves both retail and commercial customers in industries such as agriculture, construction, education, energy, governmental services, healthcare, mining, professional services, retail, tourism, and wholesale trade. The company has indicated that a significant portion of its income is generated from interest charged on loans and from interest and dividends earned on investments.
Business model and operations
First Interstate BancSystem’s business model is centered on community banking. Through its bank subsidiary, the company provides banking products and services that include deposit-taking and lending activities, along with other banking-related services. Company filings and earnings releases show that its revenue base includes net interest income from loans and investment securities, as well as noninterest income from payment services, mortgage banking, wealth management, service charges on deposit accounts, and other service charges, commissions, fees, and income categories.
The company’s loan portfolio, as described in its earnings materials, includes real estate loans (commercial, construction, residential, and agricultural), consumer loans (including indirect and other consumer categories), commercial loans, agricultural loans, and other loans. These loan categories reflect the bank’s engagement with a variety of client types and sectors across its regional footprint. The company also maintains an investment securities portfolio that contributes interest income and is managed alongside its loan portfolio and funding sources.
On the funding side, First Interstate BancSystem relies on deposits and other funding sources. Company earnings releases and balance sheet discussions reference total deposits, noninterest-bearing deposits, interest-bearing deposits, and other borrowed funds, as well as securities sold under repurchase agreements. The company has also issued subordinated notes that are intended to qualify as Tier 2 capital for regulatory purposes, and it has redeemed earlier subordinated notes in line with the terms of its indentures.
Geographic footprint and community banking focus
First Interstate emphasizes its role as a community bank serving clients across its multistate footprint. Public descriptions state that the bank delivers financial solutions across Colorado, Idaho, Iowa, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming. Earlier descriptions also reference operations in Arizona and Kansas, and subsequent disclosures describe branch transactions involving those states.
The company’s community banking orientation is reflected in its focus on relationship banking and local markets. In its communications, First Interstate highlights its commitment to a rewarding experience for employees, strong returns to shareholders, products and services for clients, and resources for the communities it serves. The company’s management commentary in earnings releases also references relationship banking and organic growth within its market areas.
Capital management and shareholder programs
First Interstate BancSystem’s public filings and news releases describe several aspects of its capital management. The company has issued fixed-to-floating rate subordinated notes due 2035 and has stated that these notes are intended to qualify as Tier 2 capital for regulatory purposes. It has also redeemed its 5.25% fixed-to-floating rate subordinated notes due 2030, depositing funds with the trustee to satisfy and discharge its obligations under the applicable indenture.
In addition, the company’s board of directors has adopted a stock repurchase program authorizing the repurchase of up to a specified dollar amount of its issued and outstanding common shares within a defined program period. Under this program, the company may repurchase shares through open market purchases, private transactions, block trades, and Rule 10b5-1 trading plans, subject to applicable securities laws and internal policies. The company has disclosed that repurchased shares will be returned to authorized but unissued shares of common stock as permitted under Delaware law, and that the timing and amount of repurchases may be adjusted or suspended based on various factors.
Strategic actions and branch transactions
First Interstate has reported strategic actions involving its branch network. In one transaction, its wholly owned subsidiary, First Interstate Bank, entered into a purchase and assumption agreement with Security First Bank under which Security First agreed to acquire eleven Nebraska branches, including specified deposits, loans, and associated assets. The transaction is subject to regulatory approval and customary closing conditions, and it is anticipated to close by early 2026.
In another transaction, First Interstate Bank closed a previously announced sale of twelve branches in Arizona and Kansas to Enterprise Bank & Trust, including specified deposits, loans, and associated real estate and assets. These branch transactions reflect adjustments to First Interstate’s geographic footprint and allocation of capital among its markets, as described in its joint and company press releases.
Governance and leadership developments
Company Form 8-K filings describe developments in board composition and senior management roles. The board of directors has increased its size and appointed new directors, including independent directors who serve on board committees such as the Audit Committee, Risk Committee, Governance and Nominating Committee, and Technology, Innovation and Operations Committee. These appointments are made under the company’s non-employee director compensation program, which includes restricted stock units.
First Interstate has also reported changes in executive leadership, including the creation of a Co-Chief Banking Officer structure and subsequent transition to a single Chief Banking Officer. Filings detail transition and separation arrangements for an executive vice president and Co-Chief Banking Officer, as well as a new employment agreement for the Chief Banking Officer role. These agreements address responsibilities, compensation, incentive opportunities, severance terms, change-in-control provisions, and non-competition and non-solicitation obligations.
Earnings reporting and financial disclosures
As a Nasdaq-listed financial holding company, First Interstate BancSystem regularly reports its financial results and other material events through press releases and SEC filings. Earnings releases discuss net income, net interest income, net interest margin, noninterest income, noninterest expense, provision for credit losses, net charge-offs, non-performing assets, and capital ratios. The company also provides tables detailing loan composition, investment securities, and other balance sheet items, along with non-GAAP financial measures and reconciliations.
In addition to quarterly and annual results, the company issues announcements regarding earnings release dates and investor conference calls. These communications typically include details on how investors, analysts, and other interested parties can access conference calls by telephone or via the internet, and they note that replays and presentation materials are made available through the company’s channels.
Regulatory filings and compliance
First Interstate BancSystem files reports with the U.S. Securities and Exchange Commission under its Exchange Act registration, including Forms 10-K, 10-Q, and 8-K. The company’s 8-K filings cover a range of topics such as results of operations and financial condition, Regulation FD disclosures, other events, changes in directors and certain officers, compensatory arrangements, stock repurchase programs, and debt redemptions. These filings provide additional detail on the company’s operations, capital structure, governance, and material transactions.
As a financial and bank holding company, First Interstate and its banking subsidiary operate within a regulated environment and reference applicable securities laws, banking regulations, and SEC rules in connection with their offerings, disclosures, and governance practices. The company also notes that certain forward-looking statements in its communications are subject to risks and uncertainties described in its filings.
Frequently asked questions (FAQ)
- What does First Interstate BancSystem, Inc. do?
First Interstate BancSystem, Inc. is a financial and bank holding company that focuses on community banking. Through its subsidiary, First Interstate Bank, it delivers banking products and services to individuals, businesses, municipalities, and other clients in its market areas.
- Where is First Interstate BancSystem, Inc. headquartered?
The company is headquartered in Billings, Montana, as stated in its SEC filings and public press releases.
- In which states does First Interstate Bank operate?
Company disclosures state that First Interstate Bank operates banking offices in communities across Arizona, Colorado, Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming, and also offers online and mobile banking services.
- What industry and sector is FIBK classified in?
First Interstate BancSystem, Inc. is classified in the commercial banking industry within the finance and insurance sector.
- How does First Interstate BancSystem generate income?
According to company descriptions, a significant portion of its income is generated from interest charged on loans and from interest and dividends earned on investments. Earnings releases also show contributions from noninterest income sources such as payment services, mortgage banking, wealth management, and service charges.
- What types of clients and industries does First Interstate serve?
The company reports that it delivers financial products and services to both retail and commercial customers, including clients in industries such as agriculture, construction, education, energy, governmental services, healthcare, mining, professional services, retail, tourism, and wholesale trade.
- On which exchange does FIBK trade and under what symbol?
First Interstate BancSystem, Inc. common stock trades on the Nasdaq Stock Market under the ticker symbol FIBK. Company press releases refer to the Nasdaq Global Select Market designation.
- What is First Interstate’s approach to capital management?
The company has issued subordinated notes intended to qualify as Tier 2 capital and has redeemed earlier subordinated notes in accordance with its indentures. Its board has also adopted a stock repurchase program authorizing repurchases of its common stock within a defined dollar limit and time frame, using methods such as open market purchases and Rule 10b5-1 trading plans.
- Has First Interstate BancSystem engaged in branch sales or acquisitions?
Yes. The company has reported a completed transaction in which Enterprise Bank & Trust acquired twelve branches in Arizona and Kansas from First Interstate Bank, and a separate purchase and assumption agreement under which Security First Bank agreed to acquire eleven branches in Nebraska, subject to regulatory approval and closing conditions.
- How does First Interstate communicate with investors?
The company issues earnings releases, schedules conference calls for investors and analysts, and posts corporate presentations. It also files periodic and current reports with the SEC, including Forms 10-K, 10-Q, and 8-K, which provide detailed information on its financial condition, operations, governance, and material events.
Stock Performance
First Interstate Bancsystem (FIBK) stock last traded at $32.82, up 1.77% from the previous close. Over the past 12 months, the stock has gained 16.6%. At a market capitalization of $3.3B, FIBK is classified as a mid-cap stock with approximately 101.1M shares outstanding.
Latest News
First Interstate Bancsystem has 10 recent news articles. Of the recent coverage, 4 articles coincided with positive price movement and 6 with negative movement. Key topics include earnings, conferences, management, acquisition. View all FIBK news →
SEC Filings
First Interstate Bancsystem has filed 5 recent SEC filings, including 3 Form 4, 1 Form PRE 14A, 1 Form SCHEDULE 13G/A. The most recent filing was submitted on March 30, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all FIBK SEC filings →
Insider Radar
Insider selling at First Interstate Bancsystem over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
First Interstate Bancsystem generated $1.2B in revenue over the trailing twelve months, and net income was $302.1M, reflecting a 25.7% net profit margin. Diluted earnings per share stood at $2.94. The company generated $305.6M in operating cash flow.
Upcoming Events
Short Interest History
Short interest in First Interstate Bancsystem (FIBK) currently stands at 7.6 million shares, down 1.4% from the previous reporting period, representing 9.0% of the float. Over the past 12 months, short interest has increased by 154%. The 6.6 days to cover indicates moderate liquidity for short covering.
Days to Cover History
Days to cover for First Interstate Bancsystem (FIBK) currently stands at 6.6 days, up 7% from the previous period. This moderate days-to-cover ratio suggests reasonable liquidity for short covering, requiring about a week of average trading volume. The days to cover has increased 164.3% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 2.5 to 6.6 days.
FIBK Company Profile & Sector Positioning
First Interstate Bancsystem (FIBK) operates in the Banks - Regional industry within the broader State Commercial Banks sector and is listed on the NASDAQ.
Investors comparing FIBK often look at related companies in the same sector, including First Bancorp P R (FBP), Fulton Financial (FULT), Independent Bk Corp Mass (INDB), Eastern Bankshares, Inc. (EBC), and First Hawaiian Inc (FHB). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate FIBK's relative position within its industry.