FIRST INTERSTATE BANCSYSTEM INC: 10% owner Scott Jonathan R sold 5,000 shares

What happened

• Scott Jonathan R, identified as a 10% owner, sold 5,000 shares in an open market or private sale (code S) on Oct 22, 2026. The filing reports a weighted average price of $36.90 and a total value of $184,500.

Key details

• Transaction date and price: Oct 22, 2026; weighted average price $36.90 (shares sold in multiple transactions at prices ranging from $36.90 to $36.91, per footnote F1).
• Shares owned after the transaction: the filing describes holdings composed of 448,200 shares held by Jonathan Scott as trustee, 209,678 shares held by IXL LLC, 36,553 shares held by Holland Elizabeth Scott Trust, 36,553 shares held by Harper Grace Scott Trust, 36,554 shares held by Harrison William Scott Trust, and 45,200 shares held by Jonathan Scott's spouse, totaling 812,738 shares (footnote F2).
• Relevant footnotes: F1 explains the weighted average price and multiple trade prices; F2 lists the composition of shares reported; F3 states the reporting persons may be deemed members of a group and disclaims beneficial ownership except for pecuniary interest.
• Filing date: filed Oct 23, 2026 (reporting period Oct 22, 2026).

Why it may matter

• The filing reports a straight sale (code S) by a 10% owner rather than an options exercise or gift.
• The filing does not show why the insider traded or why the company acted.