First Interstate BancSystem, Inc. (FIBK)10% owner sold ~$323K

~$323K

Approx. value · 10K sh @ $32.28

519K

Holds after · shares reported

Traded

Sep 2, 2025

Filed

Sep 2, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jul 14, 2025Insider10% owner sold ~$1.71M of FIBK shares in the open market
2. Aug 1, 2025Insider10% owner sold ~$1.53M of FIBK shares in the open market
3. Aug 14, 2025InsiderDirector sold ~$357K of FIBK shares in the open market
4. Sep 2, 2025 · this disclosureInsider10% owner sold ~$323K of FIBK shares in the open market

What came next

1. Sep 3, 2025Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On September 3, 2025, First Interstate BancSystem, Inc. (the “Company”) disclosed that, in connection with its internal realignment of senior management under the direction of the Company’s President and Chief Executive Officer, James A. Reuter, effective as of September 10, 2025, the Company’s Chief Banking Officer position would be separated and transitioned to a two person Co-Chief Banking Officer position, with…”
2. Oct 29, 2025Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors (and 1 more item)
3. Nov 14, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On Novem ber 14, 2025, First Interstate BancSystem, Inc. (the “Company”) and Ms. Lorrie F. Asker, an Executive Vice President and Co-Chief Banking Officer (“Co-CBO”) of the Company, made a mutual decision at Ms. Asker’s prompting to terminate her service as such to the Company and to transition her employment with the Company, effective immediately, to an executive advisor role to the Company’s Chief Executive…”

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for First Interstate BancSystem, Inc.

For First Interstate BancSystem, Inc., OQRO holds 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its FIBK page.

Other recent filings by Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees, 10% owner

• SEC Form 4 at First Interstate BancSystem, Inc. (FIBK)Aug 1, 2025
• SEC Form 4 at First Interstate BancSystem, Inc. (FIBK)Jul 15, 2025

The full history of Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees, 10% owner is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at First Interstate BancSystem, Inc.

• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRMay 15, 2026
• SEC Form 13F-HRFeb 13, 2026
• SEC Form 4Aug 18, 2025
• SEC Form 4Aug 1, 2025
• SEC Form 4Jul 15, 2025

Everything OQRO holds on this company is on its FIBK page.