First Interstate Bancsystem, Inc. last reported quarterly results on Oct 22, 2026, for Q3 FY2026 (the quarter ended Sep 30, 2026): diluted EPS of $0.65. It usually reports 22–29 days after a quarter ends. Based on that pattern, the next release is estimated for around Jan 27, 2027.
Results for Q4 FY2026, the quarter ending around Dec 31, 2026. Expected on a Wednesday. Based on last year's release for the same quarter on Jan 28, 2026. This is an estimate, not a date the company has announced.
Release dates are when the company filed its earnings announcement with the SEC (Form 8-K, Item 2.02); select a date to open the filing. It usually reports 22–29 days after a quarter ends. Figures are USD in millions, except EPS. The colored percent is the change from the same quarter a year earlier. Until a quarter's 10-Q or 10-K figures reach the SEC's data, they come from the earnings press release, and are shown only when its year-ago numbers match the filed ones. A dash means the figure could not be confirmed yet.
| Released | Quarter | Revenue | Net income | Diluted EPS |
|---|---|---|---|---|
|
Oct 22, 2026
22 days after quarter end
|
Q3 FY2026
ended Sep 30, 2026
|
—
|
62
-12.9%
|
0.65
-5.8%
|
|
Jul 23, 2026
23 days after quarter end
|
Q2 FY2026
ended Jun 30, 2026
|
—
|
84
+17.0%
|
0.87
+26.1%
|
|
Apr 29, 2026
29 days after quarter end
|
Q1 FY2026
ended Mar 31, 2026
|
—
|
60
+19.9%
|
0.61
+24.5%
|
|
Jan 28, 2026
28 days after quarter end
|
Q4 FY2025
ended Dec 31, 2025
|
—
|
109
+108.8%
|
1.08
+113.5%
|
|
Oct 29, 2025
29 days after quarter end
|
Q3 FY2025
ended Sep 30, 2025
|
—
|
71
+28.6%
|
0.69
+27.8%
|
|
Jul 29, 2025
29 days after quarter end
|
Q2 FY2025
ended Jun 30, 2025
|
—
|
72
+19.5%
|
0.69
+19.0%
|
|
Apr 29, 2025
29 days after quarter end
|
Q1 FY2025
ended Mar 31, 2025
|
—
|
50
-14.0%
|
0.49
-14.0%
|
|
Jan 10, 2025
10 days after quarter end
|
Q4 FY2024
ended Dec 31, 2024
|
—
|
52
-15.3%
|
0.50
-15.1%
|
Company profile
- Industry
- State Commercial Banks (SIC 6022)
- Listed as
- FIBK (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Billings, MT
- SEC filer status
- Large accelerated filer
- SEC CIK
- 860413
- Former names
- FIRST INTERSTATE BANCSYSTEM OF MONTANA INC (until Mar 9, 1999)
Other State Commercial Banks companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.