8-K: First Interstate BancSystem Reports Q3 Earnings

First Interstate BancSystem announced third quarter 2026 financial results, reporting net income of $62.2 million, or $0.65 per diluted share, and an improved net interest margin.

Summary

• First Interstate BancSystem reported third quarter 2026 net income of $62.2 million, or $0.65 per diluted share, a decrease from $83.9 million ($0.87 per share) in Q2 2026 and $71.4 million ($0.69 per share) in Q3 2025.
• Net interest margin improved to 3.53% in Q3 2026, up 8 basis points from Q2 2026 and 19 basis points from Q3 2025.
• Non-performing assets decreased by $10.0 million (6.1%) to $155.0 million.
• Total deposits decreased by $52.8 million (0.2%) to $21,388.5 million.
• The company repurchased approximately 2.04 million shares for $76.3 million in Q3 2026.
• A quarterly dividend of $0.47 per share was declared, payable November 13, 2026.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a moderately positive report, with improvements in net interest margin and asset quality, though net income declined year-over-year.

Positives

• Net interest margin increased to 3.53% in Q3 2026, showing an 8 basis point increase from Q2 2026 and a 19 basis point increase from Q3 2025.
• Non-performing assets decreased by $10.0 million (6.1%) to $155.0 million as of September 30, 2026.
• Criticized loans decreased by $224.6 million compared to September 30, 2025.
• The company continued its share repurchase program, buying back approximately 2.04 million shares for $76.3 million in Q3 2026.
• The company is considered well-capitalized, exceeding all regulatory capital adequacy requirements.
• Total deposits saw an increase in noninterest-bearing deposits, partially offsetting a decrease in interest-bearing categories.

Negatives

• Net income for Q3 2026 was $62.2 million, down from $83.9 million in Q2 2026 and $71.4 million in Q3 2025.
• Diluted earnings per share decreased to $0.65 in Q3 2026 from $0.87 in Q2 2026 and $0.69 in Q3 2025.
• Total deposits decreased by $52.8 million (0.2%) to $21,388.5 million as of September 30, 2026.
• Net charge-offs increased to $9.9 million in Q3 2026 from $2.3 million in Q3 2025.
• Stockholders' equity decreased by $167.6 million (5.0%) to $3,155.0 million as of September 30, 2026.

Risks

• Potential effects on the U.S. economy from governmental policies, tax regulations, trade policies, tariffs, and geopolitical uncertainty.
• Decline in economic conditions that could reduce demand for products and services and negatively impact loan credit quality.
• Credit losses on loans exceeding estimates.
• Cybersecurity risks, including business disruptions and disclosure of confidential information.
• Changes in interest rates affecting the value of investment securities.
• Competition from new or existing financial institutions and non-banks.
• Volatility in the price and trading volume of common stock.

Future Outlook

The company anticipates ending deposits between $21.4-$21.8 billion for the full year 2026, with loans projected to be between $13.5-$13.8 billion. Full-year 2026 net interest income is expected to be between $814-$819 million, assuming continued margin expansion and one additional rate increase. Noninterest income is projected to total $167-$170 million for 2026 (excluding a one-time gain). Noninterest expense is anticipated to be between $629-$635 million for 2026. The effective tax rate is expected to be 22.75%-23% for full-year 2026, and long-term annualized net charge-offs are expected to remain between 20 and 30 basis points of average loan balances.

Management Comments

• "We are pleased to see meaningful improvement in our net interest margin and an increase in non-interest bearing deposits, as we remain focused on strengthening the quality and earnings power of the franchise," said James A. Reuter, President and Chief Executive Officer.
• "We also continued to execute on our previously announced share repurchase authorization, underscoring our commitment to shareholder returns."
• "Through disciplined capital deployment, operating model optimization, and continued investment in relationship growth, we are building a more efficient organization and remain confident in our ability to deliver improving returns over time."

Industry Context

StockSavvy.ai notes that the reported increase in net interest margin for First Interstate BancSystem aligns with broader trends in the banking sector where rising interest rates have generally benefited net interest income, although deposit costs and competition remain key factors.

Comparison to Industry Standards

• The reported net interest margin of 3.53% (3.55% FTE) is a positive indicator, showing improvement over the previous quarter and year. Many regional banks have seen similar margin expansion due to rate hikes, but maintaining low-cost deposits is crucial for sustained performance.
• The loan-to-deposit ratio of 65.4% as of September 30, 2026, is within a healthy range for many banks, suggesting adequate liquidity and lending capacity.
• The Common Equity Tier 1 (CET1) ratio of 14.36% significantly exceeds the typical regulatory minimums (e.g., 4.5% plus buffers), indicating a strong capital position compared to industry requirements.
• Net charge-offs at 0.28% of average loans are relatively low, suggesting good credit quality management, though this is an increase from prior periods and warrants monitoring.

Management Changes

Stakeholder Impact

• Shareholders: The declared dividend of $0.47 per share and ongoing share repurchases are positive for shareholders, indicating a commitment to returning capital. However, the decrease in net income and EPS may temper enthusiasm.
• Creditors: The company's strong capital ratios (CET1 of 14.36%) and well-capitalized status suggest a low risk for creditors.
• Employees: The appointment of a new Chief Operations Officer may signal strategic shifts or operational focus, potentially impacting employee roles and responsibilities.
• Customers: The continued focus on relationship banking and branch network optimization could lead to changes in service delivery and product offerings.

Next Steps

• Continue to focus on improving core profitability through operational efficiencies and repricing of assets.
• Allocate capital towards enhancing the core franchise and deemphasizing peripheral opportunities.
• Continue to optimize the balance sheet with an emphasis on relationship banking and organic customer acquisition.
• Maintain a strong liquidity profile and capital ratios.
• Close 3 additional branches in the fourth quarter of 2026.

Key Dates

Recommendation

While the improvement in net interest margin and asset quality are positive, the year-over-year decline in net income and earnings per share, coupled with a decrease in total deposits, suggests a cautious approach. The company's strong capital position and dividend are supportive, but the mixed financial results warrant a 'hold' rating pending further performance improvements and clarity on future growth drivers.

Keywords

First Interstate BancSystem, Q3 Earnings, Net Interest Margin, Deposits, Loans, Share Repurchase, Dividend, Asset Quality