First Interstate BancSystem (NASDAQ: FIBK) posts Q4 update and $0.47 dividend

Rhea-AI Filing Summary

First Interstate BancSystem, Inc. filed a current report outlining several shareholder updates. The company issued a press release covering its financial results for the quarter ended December 31, 2025, and furnished it as an exhibit. It also posted an updated corporate presentation on its website, providing an overview of the company and its operations.

The Board of Directors declared a cash dividend of $0.47 per share, payable on February 20, 2026, to shareholders of record as of February 10, 2026. These materials are furnished as exhibits and are not deemed filed for liability purposes under federal securities laws.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (date of earliest event reported): January 28, 2026

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FIRST INTERSTATE BANCSYSTEM, INC.

(Exact name of registrant as specified in its charter)

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Delaware

001-34653

81-0331430

(State or other jurisdiction of incorporation or organization)

(Commission File No.)

(IRS Employer Identification No.)

401 North 31st Street

Billings,

MT

59101

(Address of principal executive offices)

(zip code)

			(406)			255-5311
(Registrant’s telephone number, including area code)
			Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a- 12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

* * * * *

Securities registered pursuant to Section 12(b) of the Act:

Title of each class			Trading Symbol(s)			Name of exchange on which registered
Common stock, $0.00001 par value			FIBK			NASDAQ

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

    Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

* * * * *

Item 2.02 Results of Operations and Financial Condition.

On January 28, 2026, First Interstate BancSystem, Inc. (the “Company”) issued a press release regarding its financial results for the quarter ended December 31, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated by reference herein. Neither the information included or incorporated by reference under this Item 2.02, nor the press release furnished herewith, shall be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or incorporated by reference into any registration statement or other document filed pursuant to the Securities Act of 1933 (the “Securities Act”) or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 7.01 Regulation FD Disclosure.

On January 28, 2026, the Company posted a new corporate presentation (the “Presentation”) on the Events & Presentations page of the Company’s website at https://www.fibk.com. The Presentation, which is furnished with this Current Report as Exhibit 99.2 and incorporated herein by reference, updates previously furnished presentations and provides an overview of the Company and its operations. Neither the information included or incorporated by reference under this Item 7.01, nor the Presentation furnished herewith, shall be deemed to be “filed” for purposes of Section 18 of the Exchange Act or incorporated by reference into any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 8.01 Other Events.

On January 28, 2026, the Company also announced that the Board of Directors of the Company declared, on January 27, 2026, a dividend of $0.47 per share, that is payable February 20, 2026 to shareholders of record of the Company as of February 10, 2026.

Item 9.01 Financial Statements and Exhibits.

(d)			Exhibit Number						Description
			99.1						Press Release dated January 28, 2026.
			99.2						Presentation
			104						Cover Page Interactive Data File (embedded within Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities and Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: January 28, 2026

			FIRST INTERSTATE BANCSYSTEM, INC.
			By:			/s/ JAMES A. REUTER
						James A. Reuter
						President and Chief Executive Officer

FAQ

What did First Interstate BancSystem (FIBK) report in this 8-K filing?

First Interstate BancSystem reported its quarterly financial results via a press release and furnished an updated corporate presentation. It also disclosed that its Board declared a cash dividend of $0.47 per share with specified record and payment dates for shareholders.

What dividend did First Interstate BancSystem (FIBK) declare and when is it payable?

The Board declared a cash dividend of $0.47 per share. It will be paid on February 20, 2026, to shareholders of record as of February 10, 2026, as disclosed in the company’s current report filing.

Which period’s results does First Interstate BancSystem’s press release cover?

The press release covers First Interstate BancSystem’s financial results for the quarter ended December 31, 2025. It is furnished as Exhibit 99.1 and provides details on the company’s performance for that specific three-month period.

What is included in First Interstate BancSystem’s new corporate presentation?

The new corporate presentation provides an overview of First Interstate BancSystem and its operations. It updates previously furnished presentations and is available on the company’s Events & Presentations webpage, while also being furnished as Exhibit 99.2 in the current report.

Are First Interstate BancSystem’s exhibits in this 8-K considered filed with the SEC?

The press release and presentation are furnished, not filed, for purposes of Section 18 of the Exchange Act. They are not incorporated into Securities Act or Exchange Act filings unless specifically referenced in another filing.

Where can investors access First Interstate BancSystem’s updated presentation mentioned in the 8-K?

Investors can access the updated corporate presentation on First Interstate BancSystem’s website at https://www.fibk.com, under the Events & Presentations section. The same presentation is also furnished as Exhibit 99.2 in the company’s current report.