Recent 8-K filings for FIBK

• July 23, 2026, 4:14 PM ET earnings materiality 0.75 positive item 2.02item 7.01item 8.01item 9.01

  First Interstate Q2 net income $83.9M ($0.87 EPS), up from $0.61 Q1; NIM expands to 3.45%

  Net income $83.9M ($0.87 diluted EPS) vs $60.2M ($0.61) in Q1 2026 and $71.7M ($0.69) in Q2 2025.

• May 13, 2026, 5:12 PM ET leadership materiality 0.60 neutral item 5.02item 9.01 ◈ executive_change ×3

  First Interstate COO Kristina Robbins terminated without cause; transitions to advisor role through Aug 2026

  COO Kristina Robbins terminated without cause effective May 11, 2026; CEO James Reuter will assume COO duties until a successor is appointed.

• April 29, 2026, 7:59 PM ET earnings materiality 0.75 neutral item 2.02item 7.01item 8.01item 9.01 ◈ Earnings Releases

  First Interstate Q1 net income $60.2M ($0.61 EPS); NIM expands to 3.41%; share repurchase $84M

  Net income $60.2M ($0.61 diluted EPS) vs $108.8M ($1.08) in Q4 2025, which included $62.7M branch sale gain; YoY up from $50.2M ($0.49).

• January 28, 2026, 6:59 PM ET earnings materiality 0.75 positive item 2.02item 7.01item 8.01item 9.01

  First Interstate Q4 net income $108.8M ($1.08 EPS) vs $52.1M a year ago; board ups buyback to $300M

  Net income $108.8M ($1.08 diluted EPS) vs $71.4M ($0.69) Q3 2025 and $52.1M ($0.50) Q4 2024.

• October 16, 2025, 7:59 PM ET other material materiality 0.60 neutral item 7.01item 9.01

  First Interstate selling 11 Nebraska branches to Security First; ~$280M deposits, ~$70M loans

  Security First Bank acquiring 11 Nebraska branches from First Interstate Bank under purchase and assumption agreement.

• September 9, 2025, 7:59 PM ET leadership materiality 0.60 neutral item 5.02item 7.01item 9.01

  First Interstate splits CBO role into co-CBOs; hires Chris Shepler from Wells Fargo

  Lorrie Asker (current CBO) appointed Co-CBO covering Arizona, Idaho, Montana, Oregon, Washington, Wyoming.

• July 29, 2025, 7:59 PM ET earnings materiality 0.75 positive item 2.02item 7.01item 8.01item 9.01

  First Interstate Q2 net income $71.7M ($0.69), up from $0.58 a year ago

  Net income $71.7M, diluted EPS $0.69 vs $0.58 in Q2 2024; net interest margin 3.30% (+33 bps YoY).

• June 10, 2025, 7:59 PM ET debt materiality 0.60 neutral item 1.01item 2.03item 9.01 ◈ Debt Financings

  First Interstate BancSystem closes $125M offering of 7.625% subordinated notes due 2035

  Completed public offering of $125M in 7.625% fixed-to-floating rate subordinated notes due 2035.

• June 2, 2025, 7:59 PM ET leadership materiality 0.65 neutral item 5.02item 7.01item 9.01 ◈ executive_change

  David P. Della Camera becomes CFO of First Interstate BancSystem effective June 1, 2025

  Della Camera succeeds Marcy D. Mutch as EVP and CFO under a planned succession announced February 2025.

• April 29, 2025, 7:59 PM ET earnings materiality 0.75 negative item 2.02item 7.01item 8.01item 9.01

  First Interstate Q1 net income $50.2M ($0.49/sh) down from $0.57/sh YoY; NPAs surge 36%

  Net income $50.2M ($0.49 diluted EPS) vs $52.1M ($0.50) in Q4 2024 and $58.4M ($0.57) in Q1 2024.

• April 28, 2025, 7:59 PM ET other material materiality 0.70 positive item 7.01item 9.01

  First Interstate selling 12 branches to Enterprise Bank & Trust for ~$740M deposits, ~$200M loans

  Enterprise Bank & Trust will acquire 12 branches (10 AZ, 2 KS) from First Interstate Bank.

• January 29, 2025, 6:59 PM ET earnings materiality 0.65 neutral item 2.02item 7.01item 8.01item 9.01

  First Interstate Q4 net income $52.1M ($0.50 EPS), down 15% YoY; NIM rises 17 bps

  Net income $52.1M ($0.50 diluted EPS) vs $55.5M in Q3 and $61.5M in Q4 2023.

• January 10, 2025, 6:59 PM ET other material materiality 0.75 negative item 2.02item 2.06item 9.01 ◈ Restructurings & Charges

  First Interstate expects $49.3M partial charge-off on C&I loan; offset by $22.2M ag loan payoff

  Partial charge-off of ~$49.3M on a single C&I loan with $62.8M outstanding; $26.5M specific reserve held at Sept 30, 2024.

• October 24, 2024, 7:59 PM ET earnings materiality 0.75 neutral item 2.02item 7.01item 8.01item 9.01

  First Interstate Q3 net income falls to $55.5M; NIM improves; appoints new CEO

  Net income of $55.5M ($0.54 per share) in Q3 2024 vs $60.0M ($0.58) in Q2 2024 and $72.7M ($0.70) in Q3 2023.

• October 9, 2024, 7:59 PM ET leadership materiality 0.75 positive item 5.02item 7.01item 9.01 ◈ executive_change ×4

  First Interstate appoints James Reuter as President and CEO effective Nov 1, 2024

  James Reuter named President and CEO effective November 1, 2024, succeeding Kevin Riley.

• July 25, 2024, 7:59 PM ET earnings materiality 0.75 positive item 2.02item 7.01item 8.01item 9.01

  First Interstate Q2 net income $60.0M ($0.58 EPS); NIM expands to 2.97%

  Net income $60.0M vs $58.4M Q1 2024 and $67.0M Q2 2023; diluted EPS $0.58.

• July 12, 2024, 7:59 PM ET leadership materiality 0.60 neutral item 5.02item 9.01 ◈ executive_change ×2

  First Interstate CEO Kevin Riley to retire; transition agreement provides severance and consulting

  CEO Kevin Riley will retire; he remains CEO until successor starts or no earlier than January 1, 2025.

• June 14, 2024, 7:59 PM ET leadership materiality 0.75 neutral item 5.02item 9.01 ◈ executive_change

  First Interstate CEO Kevin P. Riley to retire; board initiates CEO search

  President and CEO Kevin P. Riley retiring; will serve until successor appointed; search launched.

• May 23, 2024, 7:59 PM ET other material materiality 0.65 neutral item 5.02item 5.07item 7.01

  First Interstate shareholders approve 2M-share plan amendment; Board names Stephen B. Bowman as Chair

  Shareholders approved amendment to 2023 Equity and Incentive Plan, increasing reserved shares by 2,000,000.

• April 24, 2024, 7:59 PM ET earnings materiality 0.65 neutral item 2.02item 7.01item 8.01item 9.01 ◈ Earnings Releases

  First Interstate Q1 net income $58.4M ($0.57 EPS); dividend $0.47

  Net income $58.4M ($0.57 EPS) vs $61.5M ($0.59) in Q4'23 and $56.3M ($0.54) in Q1'23.

• January 30, 2024, 6:59 PM ET earnings materiality 0.75 negative item 2.02item 7.01item 8.01item 9.01 ◈ Earnings Releases

  First Interstate Q4 net income $61.5M ($0.59/sh), down from Q3; FDIC assessment $10.5M

  Net income $61.5M ($0.59 EPS) vs Q3 $72.7M ($0.70) and Q4 2022 $85.8M ($0.82).

• October 25, 2023, 7:59 PM ET earnings materiality 0.70 neutral item 2.02item 7.01item 8.01item 9.01 ◈ Earnings Releases

  First Interstate Q3 net income $72.7M ($0.70 EPS); deposits rise, margin narrows

  Net income $72.7M ($0.70 EPS) vs $67.0M ($0.65 EPS) Q2 2023 and $85.7M ($0.80 EPS) Q3 2022.

Executive changes

Earnings & guidance

Materiality & sentiment trend

Max materiality 0.75 · Median 0.55 · Most common event leadership

8 positive 3 negative 39 neutral

source · FIBK on sec.gov