Form 4: FIBK Director Sells Over 30,000 Shares

First Interstate Bancsystem Director and 10% owner John M. Heyneman Jr. reported the sale of 30,432 shares of common stock for $31.03 per share.

Summary

• John M. Heyneman Jr., a Director and 10% owner of First Interstate Bancsystem Inc. (FIBK), reported a sale of common stock.
• On November 21, 2025, 30,432 shares of common stock were disposed of at a price of $31.03 per share.
• The transaction was made pursuant to a Rule 10b5-1(c) plan, indicating a pre-arranged sale.
• Following this transaction, John M. Heyneman Jr. and related entities beneficially own 1,414,636 shares of common stock indirectly.
• Indirect ownership is held through various trusts and family members, including John M Heyneman Jr. Trust (150,000 shares), Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust (85,836 shares), Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust (85,836 shares), Towanda Investments Limited Partnership (1,085,792 shares), and shares held by his spouse, daughter, and sons.

Sentiment

Score: 4

Explanation: The sale of shares by a director and 10% owner, even under a 10b5-1 plan, typically generates a slightly negative sentiment as it reduces insider ownership, though the pre-planned nature mitigates some of the immediate negative implications.

Negatives

• A Director and 10% owner, John M. Heyneman Jr., sold 30,432 shares of common stock.
• Insider selling, even if pre-planned, can sometimes be interpreted negatively by the market as it reduces the insider's direct stake in the company.

Future Outlook

N/A

Industry Context

This filing reports an individual insider transaction and does not provide broader industry context or trends for the banking sector.

Related Party Transactions

• The filing details indirect beneficial ownership through various trusts and family members (spouse, daughter, sons), indicating related party holdings, though the transaction itself is a sale of common stock by the reporting person and associated entities.

Stakeholder Impact

• Shareholders may interpret the insider sale as a slight negative signal, potentially impacting investor confidence in the short term.
• The transaction does not directly impact employees, customers, suppliers, or creditors.

Next Steps

• 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 from John Heyneman, Jr.'s perspective.

Key Dates

Recommendation

While the sale by a director and 10% owner is generally a negative signal, the transaction was executed under a Rule 10b5-1 plan, suggesting it was pre-scheduled and not necessarily indicative of new negative information about the company. Given this context, and without further financial or operational details from the filing, a 'hold' recommendation is appropriate, advising investors to monitor future developments rather than making an immediate buy or sell decision based solely on this insider transaction.

Keywords

First Interstate Bancsystem, FIBK, Insider Trading, Form 4, Stock Sale, Director Transaction, John M. Heyneman Jr., Beneficial Ownership, 10b5-1 Plan