FIRST INTERSTATE BANCSYSTEM INC
For the period ended Sep 30, 2026. Filed Nov 2, 2026.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2026 · Filed Nov 2, 2026
FIBK$38.00-1.1%Stored close · as of Nov 10, 2026
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Consolidated Statements of Comprehensive Income
(In millions)
| Three Months Ended September 30, | Nine Months Ended September 30, | |||
|---|---|---|---|---|
| 2026 | 2025 | 2026 | 2025 | |
| Net income | $62.2 | $71.4 | $206.3 | $193.3 |
| Other comprehensive (loss) income, before tax: | ||||
| Investment securities available-for-sale: | ||||
| (Increase) decrease in unrealized losses during the period | (147.6) | 38.1 | (181.5) | 153.5 |
| Net change in unamortized gains on available-for-sale securities transferred into held-to-maturity | 0.3 | 0.1 | 0.5 | — |
| Cash flow hedges: | ||||
| Change in unrealized gains on derivatives | — | — | — | 1.9 |
| Reclassification adjustment for derivatives net losses included in net income | (0.1) | 0.2 | (0.2) | 1.6 |
| Other comprehensive (loss) income, before tax | (147.4) | 38.4 | (181.2) | 157.0 |
| Deferred tax benefit (expense) related to other comprehensive income | 36.8 | (9.6) | 45.2 | (39.2) |
| Other comprehensive (loss) income, net of tax | (110.6) | 28.8 | (136.0) | 117.8 |
| Comprehensive (loss) income, net of tax | $(48.4) | $100.2 | $70.3 | $311.1 |
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