First Interstate updates committee roles for new director

First Interstate BancSystem, Inc. filed an amended report to update board committee assignments for new director Michael L. Scudder.

Rhea-AI Filing Summary

First Interstate BancSystem, Inc. filed an amended report to update board committee assignments for new director Michael L. Scudder. He was previously appointed as a Class I director with a term beginning on August 13, 2025 and ending at the 2028 annual meeting of stockholders.

Effective August 28, 2025, the board appointed Mr. Scudder to serve on the Audit Committee and the Risk Committee. The amendment states that all other information from the earlier report announcing his board appointment remains unchanged.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What change does First Interstate (FIBK) report in this 8-K/A filing?

The filing updates board committee assignments for director Michael L. Scudder. It confirms he has been appointed to the Audit Committee and Risk Committee, with all other aspects of his prior board appointment disclosure remaining unchanged.

Who is Michael L. Scudder in relation to First Interstate (FIBK)?

Michael L. Scudder is a Class I director on First Interstate’s board. His term began on August 13, 2025 and will expire at the company’s 2028 annual meeting of stockholders, filling a vacancy created when the board increased its size.

Which board committees will Michael L. Scudder serve on at First Interstate (FIBK)?

Effective August 28, 2025, Michael L. Scudder will serve on the Audit Committee and the Risk Committee. These assignments were not determined when his initial appointment was reported, prompting this amendment to provide the required committee information.

Why did First Interstate (FIBK) file an amendment to its prior report?

The company filed Amendment No. 1 to provide Mr. Scudder’s specific board committee assignments. When the original report was filed, the board had not yet decided his committee roles, so this amendment supplies that missing information as required by SEC rules.

Does this First Interstate (FIBK) amendment change any other prior disclosures?

No, the amendment states that, except for adding Mr. Scudder’s committee assignments, the original report remains unchanged. The underlying details of his appointment as a Class I director and his board term continue as previously disclosed.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/29/2025 - 04:20 PM EDT Learn about SEC filing dates

True000086041300008604132025-08-292025-08-29

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

 ------------------------------ 

FORM 8-K/A

(Amendment No. 1)

------------------------------ 

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (date of earliest event reported): August 13, 2025

 ------------------------------ 

FIRST INTERSTATE BANCSYSTEM, INC.

(Exact name of registrant as specified in its charter)

 ------------------------------ 

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. ☐

* * * * *

Explanatory Note

On August 15, 2025, First Interstate BancSystem, Inc. (the “Company”) filed a Current Report on Form 8-K (the “Original Form 8-K”) with the Securities and Exchange Commission (“SEC”) announcing that its board of directors (the “Board”) appointed Mr. Michael L. Scudder to serve as a Class I director on the Board, with a term beginning on August 13, 2025, and expiring at the Company’s 2028 annual meeting of stockholders, to fill a vacancy on the Board created by the Board’s decision to increase the size of the Board. At the time the Original Form 8-K was filed, the Board had not yet made a determination regarding Board committee assignments for Mr. Scudder. This Amendment No. 1 to the Original Form 8-K is being filed solely to report the Board committees to which Mr. Scudder has been assigned, as required by the SEC. Except as set forth herein, the Original Form 8-K remains unchanged in all respects.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Effective August 28, 2025, the Board appointed Mr. Scudder to serve as a member of the Board’s Audit Committee and Risk Committee.

SIGNATURES

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

Date: August 29, 2025

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