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FIBK reported Q3 2026 results. The stock moved -0.3% on the print.
FIBKearnings

First Interstate BancSystem, Inc. (FIBK) Q3 FY2026 earnings

October 23, 2026 · SharpeIQ Research Desk

Reported results

  • Net income was $62.2 million, or $0.65 per diluted share (GAAP), compared to $83.9 million, or $0.87 per diluted share in Q2 2026 and $71.4 million, or $0.69 per diluted share in Q3 2025.
  • Net interest income was $206.2 million (GAAP) for Q3 2026, compared to $202.2 million in Q2 2026 and $206.8 million in Q3 2025.
  • Net interest margin increased to 3.53% for Q3 2026, up 8 basis points from 3.45% in Q2 2026 and up 19 basis points from 3.34% in Q3 2025.
  • Non-performing assets decreased $10.0 million to $155.0 million as of September 30, 2026, down 6.1% from $165.0 million as of June 30, 2026.
  • Total deposits decreased $52.8 million to $21,388.5 million as of September 30, 2026, compared to $21,441.3 million as of June 30, 2026.
  • The Company repurchased approximately 2.04 million shares for $76.3 million during Q3 2026, with $103.4 million remaining available under the $450.0 million authorized repurchase program.

Notes

Q2 2026 includes a $19.5 million gain related to the sale of eleven Nebraska branches. Provision for credit losses was $10.5 million in Q3 2026 compared to a reduction of $3.2 million in Q2 2026. Board declared dividend of $0.47 per common share on October 21, 2026, payable November 13, 2026.

Price and volatility reaction

The stock moved -0.3% on the print. No front-expiry chain was on file, so there is no straddle expected move. 30-day ATM implied volatility moved -2.4 vol points across the event (constant-maturity series — not the front-week crush).

MeasureValueBasis
Close before release36.882026-10-22
Close after release36.782026-10-23
Realised move-0.3%close to close
30d ATM IV change-2.4 vol ptsconstant-maturity series, not the front expiry
Price and volatility reaction. Closes either side of the release. No front-expiry chain on file for a straddle expected move. SharpeIQ — listed option chain and price_history

Source

The figures above come from the earnings release the company filed with the SEC on 2026-10-22 (8-K, Item 2.02). Read the original filing on sec.gov.

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