FIRST INTERSTATE BANCSYSTEM INC
For the period ended Sep 30, 2025. Filed Nov 6, 2025.
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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, 2025 · Filed Nov 6, 2025
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, | |||
|---|---|---|---|---|
| 2025 | 2024 | 2025 | 2024 | |
| Net income | $71.4 | $55.5 | $193.3 | $173.9 |
| Other comprehensive income, before tax: | ||||
| Investment securities available for sale: | ||||
| Change in net unrealized gains during the period | 38.1 | 158.5 | 153.5 | 134.6 |
| Net change in unamortized gains (losses) on available-for-sale securities transferred into held-to-maturity | 0.1 | (0.2) | — | (0.5) |
| Cash flow hedges: | ||||
| Change in unrealized gains (losses) on derivatives | — | 12.4 | 1.9 | (10.1) |
| Reclassification adjustment for derivatives net losses included in net income | 0.2 | 3.1 | 1.6 | 11.2 |
| Other comprehensive income, before tax | 38.4 | 173.8 | 157.0 | 135.2 |
| Deferred tax expense related to other comprehensive income | (9.6) | (43.2) | (39.2) | (33.6) |
| Other comprehensive income, net of tax | 28.8 | 130.6 | 117.8 | 101.6 |
| Comprehensive income, net of tax | $100.2 | $186.1 | $311.1 | $275.5 |
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