First Interstate Bancsystem SEC Filings

First Interstate BancSystem (FIBK) reported an equity grant to its Chief Banking Officer on September 10, 2025. The filing shows 2,308 shares acquired, corresponding to shares issuable upon vesting of restricted stock units granted under the company’s 2023 Equity and Incentive Plan.

The award carries a reported price of $32.49. These RSUs vest in three equal annual installments beginning on September 10, 2026, subject to continued employment through each vesting date. Following the reported transaction, the officer beneficially owned 2,308 shares, held directly.

Christopher L. Shepler filed an initial Form 3 reporting no beneficial ownership of First Interstate BancSystem, Inc. (FIBK) common stock as of the 09/10/2025 event date. The form lists Shepler as an officer (Chief Banking Officer) and director. The filing states zero shares owned directly or indirectly and explains the submission delay was related to the EDGAR Next enrollment process. The form is signed by an attorney-in-fact on 10/09/2025.

An insider group tied to Jonathan R. Scott sold a small block of First Interstate BancSystem, Inc. common stock. The filing reports the disposition of 685 shares at a weighted-average price of $31.66, executed on 10/09/2025. After the sale, the reporting persons are shown as beneficially owning 952,824 shares on an indirect basis through trusts and related entities. The filing lists the specific record holders that compose the group and explains the grouping agreement while disclaiming direct beneficial ownership beyond pecuniary interest. The price range for the transactions was $31.52 to $31.76, and the filer offers to provide per-trade breakdowns on request.

First Interstate BancSystem, Inc. (FIBK) reporting persons that include Jonathan R. Scott and related trusts/entities disclosed stock sales on 10/07/2025 and 10/08/2025. The filings show 13,715 shares sold on 10/07/2025 at a weighted average price of $32.09 and 5,600 shares sold on 10/08/2025 at a weighted average price of $32.01. After these transactions, the group reports beneficial ownership of 959,109 shares following the first sale and 953,509 shares following the second sale, held indirectly through trusts and IXL Ltd Liability Co.

The filer explains prices are weighted averages from multiple trades and provides a detailed ownership breakdown by record holder. The reporting persons note group status under certain agreements and disclaim direct beneficial ownership beyond pecuniary interest.

Notice of proposed sale of 20,000 common shares by a related person through Goldman Sachs. The filer intends to sell $636,800 worth of Common stock (20,000 shares) on 10/07/2025 on the NASD. The filer reports 104,509,863 shares outstanding for the issuer. The 20,000 shares were acquired as a gift on 06/20/2020 from a "Scott Family Member," with the donor's acquisition date listed as 11/03/1993. No securities of the issuer were sold by the filer in the past three months. The notice includes the required certification that the seller is not aware of undisclosed material adverse information.

The filing is a Form 144 notice for First Interstate BancSystem, Inc. (FIBK) reporting a proposed sale of 20,000 common shares through Goldman Sachs & Co. LLC with an aggregate market value of $636,800. The shares represent part of an acquisition described as a gift received on 06/20/2020 from a "Scott Family Member," and the donor originally acquired those shares on 11/03/1993. The proposed approximate sale date is 10/07/2025 on the NASDAQ (listed as NASD). The filer reports no securities sold in the past three months and affirms they are not aware of undisclosed material adverse information.

Susan Scott Heyneman Trust and co-trustees reported multiple disposals of First Interstate Bancsystem, Inc. (FIBK) common stock between 09/09/2025 and 10/01/2025. The filings show sequential dispositions of 152,160, 45,154, 67,482, and 10,000 shares, for total reported sales of 274,796 shares. After these transactions the reporting parties state they hold 244,460 shares of record via the Susan Scott Heyneman Trust.

The Form 4 notes the reporting persons may be part of a group with other signatories and disclaim beneficial ownership except to the extent of pecuniary interest. The Form is signed by an attorney-in-fact on behalf of the trust on 10/03/2025. The filing discloses quantities and sale price for the 10,000-share sale at $31.59; earlier dispositions are coded as voluntary/other and reported with $0 price entries reflecting non-open-market transfers or internal adjustments per reporting conventions.

First Interstate BancSystem, Inc. announced a senior management realignment effective September 10, 2025, splitting its Chief Banking Officer role into two Co-Chief Banking Officer positions. Lorrie Asker, the incumbent Chief Banking Officer and a named executive in the 2024 proxy, will serve as one Co-Chief Banking Officer with responsibility for branches in Arizona, Idaho, Montana, Oregon, Washington, and Wyoming. Chris Shepler, formerly Managing Director and National Commercial Banking Region Coverage Executive at Wells Fargo with over 30 years of experience, will serve as the other Co-Chief Banking Officer covering Colorado, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, and South Dakota. The company stated no other changes were made to Ms. Asker’s employment and that there were no related-party transactions involving Mr. Shepler since the start of the last fiscal year.

Renu Agrawal, a director of First Interstate BancSystem, Inc. (FIBK), was reported to have acquired 1,827 shares of the issuer's common stock on 09/05/2025 through restricted stock units (RSUs). The reported acquisition price per share is $32.83 and the shares are recorded as directly owned following the transaction. The RSUs vest on June 1, 2026, contingent on the reporting person's continued service through that date, so the shares are subject to future vesting conditions. The Form 4 was signed by an attorney-in-fact and filed on 09/09/2025.