Form 4: First Interstate BancSystem Director John Heyneman Jr. Reports Transaction

Director John M. Heyneman Jr. reports a transaction involving First Interstate BancSystem Inc. common stock.

Summary

• John M. Heyneman Jr., a director and 10% owner of First Interstate BancSystem Inc. (FIBK), reported a transaction on February 26, 2025.
• The transaction involved the sale of 250 shares of common stock at a price of $30.52 per share.
• Following the transaction, Heyneman directly owns 14,096 shares and indirectly owns 1,414,636 shares.
• The indirect ownership is held through various trusts and a limited partnership, including the John M Heyneman Jr. Trust, Riki Rae Scott Davidson Exemption Trust, Rae Ann Morss Exemption Trust, and Towanda Investments Limited Partnership.
• Heyneman disclaims beneficial ownership of these securities except to the extent of his pecuniary interest.
• The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective.

Sentiment

Score: 5

Explanation: The document is a standard regulatory filing detailing a stock transaction by a company director, indicating a neutral sentiment.

Future Outlook

The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective.

Management Comments

• Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein.

Industry Context

This filing is a routine disclosure of insider transactions, which is a normal part of corporate governance and provides transparency to investors.

Stakeholder Impact

• The transaction provides transparency to shareholders regarding insider trading activity.

Key Dates