SEC Form 4 · accession 0001493152-26-042536
FIRST INTERSTATE BANCSYSTEM INC · FIBK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owners
Jonathan R Scott
10% Owner
Harrison William Scott Trust
10% Owner
Harper Grace Scott Trust
10% Owner
Holland Elizabeth Scott Trust
10% Owner
IXL Ltd Liability Co
10% Owner
Period of report
Sep 11, 2026
Accepted (ET)
Sep 14, 2026 · 1:31 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000860413
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2,F3 | Sep 11, 2026 | S | 16,929 | $37.03 | D | 825,809 | I | See Footnote |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.00 to $37.23. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.
- F2Composed of 461,271 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 sharesheld of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse.
- F3As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.