First Interstate BancSystem director James R. Scott Jr. reports sale of $120,016.50 in common shares

• First Interstate BancSystem director and 10% owner James R. Scott Jr. sold 3,158 common shares, according to a Nov. 3, 2026 filing.
• The sales comprised 50 shares at $38.25 on Oct. 30, 2026.
• A further 3,108 shares were sold at $38 on Nov. 2, 2026.
• Following the transactions, Scott held 77,634 common shares directly and 1,952,320 indirectly.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. First Interstate BancSystem Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001675872-26-000001), on November 03, 2026, and is solely responsible for the information contained therein.