First Interstate BancSystem (FIBK) earnings

FIRST INTERSTATE BANCSYSTEM INC· Financials

Results to: Jun 2026
Latest analysed call: Sep 2026 (Q3 FY26)
Balance sheet to: Dec 2025

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First Interstate BancSystem earnings: last reported Fri, 23 Oct 2026, for the quarter ended Sep 2026.

Reported

The figures, each with its period

Each figure keeps its basis and period; nothing is filled in.

Metric	Value	Change	Basis	Period	Note
Revenue	Unavailable	—	Quarterly, as filed	Quarter to Jun 2026	Not in the filed figures for the quarter to jun 2026. No older figure is substituted.
Operating margin	Unavailable	—	Operating profit / revenue	Quarter to Jun 2026	Not in the filed figures for the quarter to jun 2026. No older figure is substituted.
Net profit	83.9 $ million	+17.0% YoY	Quarterly, as filed	Quarter to Jun 2026	Profit after tax as filed.

Source: Inve data from filed results (SEC filings) · to Jun 2026

Price

$36.78 −0.27% · −$0.1

Last close Oct 23, 2026 · US · USD · Source: Inve

Performance +17.4% 1Y

1Y: $31.34 on 22 Oct 2025 → $36.78. High $40.22 (16 Jul 2026), low $29.68 (17 Nov 2025).

Previous close: $36.88
52-week range: $29.68 – $40.22
One year: +17.73%

Overview

Symbol: FIBK
Sector: Financials
Exchange: US
Currency: USD

Financials

What the filings say

Net profit, year on year: +17% (quarter to jun 2026 against jun 2025).

In $ million. Oldest period first.

Line item	Sep 2024	Dec 2024	Mar 2025	Jun 2025	Sep 2025	Dec 2025	Mar 2026	Jun 2026
Interest	123	—	—	—	—	—	—	—
Profit before tax	73	67	66	94	93	139	78	108
Tax rate	23.7%	21.9%	24.4%	23.3%	22.9%	21.8%	22.3%	22.5%
Net profit	56	52	50	72	71	109	60	84
EPS ($ per share)	0.54	—	0.49	0.69	0.69	—	0.61	0.87

Source: Inve data · income statement, quarterly · to Jun 2026

In $ million. Oldest period first.

Line item	Dec 2018	Dec 2019	Dec 2020	Dec 2021	Dec 2022	Dec 2023	Dec 2024	Dec 2025
Equity capital	867	1,049	941	945	2,478	2,449	2,460	2,351
Reserves	852	954	962	1,053	1,073	1,135	1,166	1,274
Total liabilities	11,606	12,630	15,689	17,685	29,214	27,444	25,833	23,194
Fixed assets	245	306	312	300	445	444	427	407
Total assets	13,300	14,644	17,649	19,672	32,288	30,671	29,137	26,641

Source: Inve data · balance sheet · to Dec 2025

In $ million. Oldest period first.

Line item	Dec 2018	Dec 2019	Dec 2020	Dec 2021	Dec 2022	Dec 2023	Dec 2024	Dec 2025
Cash from operations	219	127	268	282	534	428	355	306
Cash from investing	-181	-17	-1,870	-2,120	-949	1,253	1,759	2,312
Cash from financing	25	144	2,802	1,906	-1,060	-1,974	-1,795	-2,204
Net cash flow	63	255	1,200	68	-1,474	-292	319	413

Source: Inve data · cash flow · to Dec 2025

FIBK operating KPIs by quarter

FIBK operating KPIs stated on its earnings calls, by fiscal quarter
KPI	Jun 2026 Q2 FY26	Sep 2026 Q3 FY26	Change vs prior quarter
Net interest margin	3.48% Our fully taxable equivalent net interest margin was 3.48% for the second quarter compared to 3.43% during the first quarter and to 3.32% during the second quarter of 2025. Source: earnings call transcript	3.55% Our fully taxable equivalent net interest margin was 3.55% for the third quarter compared to 3.48% during the second quarter and 3.36% during the third quarter of 2025. Source: earnings call transcript	+0.1 pt
Common equity tier 1 ratio (CET1)	14.54% Our common equity Tier 1 capital ratio ended the second quarter at 14.54% and an increase of 24 basis points from the prior quarter. Source: earnings call transcript	14.36% Our common equity tier one capital ratio ended the third quarter at 14.36%, a decrease of 18 basis points from the prior quarter. Source: earnings call transcript	-0.2 pt

Operating figures the company stated on at least two of the calls shown, checked against each call's transcript. Click a figure to read the sentence. A dash means it was not stated that quarter.

Insider filings

64 filings between Oct 29, 2025 and Oct 5, 2026.

Open market

decisions to buy or sell

Purchases

None

No insider bought shares.

Sales

$8.19M

21 sales by 4 insiders

Compensation

not trading decisions

27: Award — granted as compensation
6: Tax withheld — shares kept back by the company to cover tax

Also filed: 10 gifts.

Who traded

open market only

Insider	Bought	Sold	Last filing
Scott Jonathan R	—	$4.84M	Sep 14, 2026
HEYNEMAN JOHN M JR	—	$2.07M	Nov 21, 2025
SCOTT JULIE A	—	$641.1K	Sep 16, 2026
Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees	—	$637.4K	Dec 1, 2025

Latest filings (50)

Date	Insider	What	Shares	Value
Oct 5, 2026	SCOTT JAMES R 10% owner	Gift	6,990	$0
Sep 16, 2026	SCOTT JULIE A 10% owner	Sale	2,700	$101.6K
Sep 14, 2026	Lee Jeffery D. Chief Operations Officer	Award	5,417	$0
Sep 14, 2026	Scott Jonathan R 10% owner	Sale	8,071	$301.0K
Sep 11, 2026	Scott Jonathan R 10% owner	Sale	16,929	$626.9K
Sep 10, 2026	Shepler Christopher L. Chief Banking Officer	Tax withheld	222	$8.2K
Jul 27, 2026	SCOTT JULIE A 10% owner	Gift	1,350	$0
Jul 22, 2026	TURNER BRIAN KEVIN Director	Award	1,806	$70.4K
Jul 22, 2026	Ritter Matthew John Director	Award	1,806	$70.4K
Jul 16, 2026	Scott Jonathan R 10% owner	Sale	10,000	$403.0K
Jun 18, 2026	SCOTT JULIE A 10% owner	Sale	5,000	$179.9K
Jun 18, 2026	SCOTT JULIE A 10% owner	Sale	5,000	$179.8K
Jun 18, 2026	Scott Jonathan R 10% owner	Sale	9,390	$339.1K
Jun 18, 2026	SCOTT JULIE A 10% owner	Sale	5,000	$179.8K
Jun 17, 2026	Scott Jonathan R 10% owner	Sale	4,500	$163.3K
Jun 4, 2026	Scott Jonathan R 10% owner	Sale	12,892	$458.7K
Jun 1, 2026	Scott Jeremy Director	Award	2,247	$0
Jun 1, 2026	HEYNEMAN JOHN M JR Director	Award	2,247	$0
Jun 1, 2026	RYKHUS DANIEL A Director	Award	2,247	$0
Jun 1, 2026	Scott James R. Jr Director	Award	2,247	$0
Jun 1, 2026	Boschee Ryan J. Chief Credit Officer	Award	2,247	$0
Jun 1, 2026	Shepler Christopher L. Chief Banking Officer	Award	3,370	$0
Jun 1, 2026	Bowman Biff Director	Award	4,353	$0
Jun 1, 2026	Della Camera David Chief Financial Officer	Award	3,370	$0
Jun 1, 2026	Meyer Lori EVP, Chief Information Officer	Award	2,247	$0
Jun 1, 2026	Kanning Jolyn M. Chief Risk Officer	Award	2,247	$0
Jun 1, 2026	Agrawal Renu Director	Award	2,247	$0
Jun 1, 2026	Cho Alice S Director	Award	2,247	$0
Jun 1, 2026	Jensen Kirk D General Counsel	Award	2,247	$0
Jun 1, 2026	Phillips Joyce Ann Director	Award	2,247	$0
Jun 1, 2026	SCUDDER MICHAEL L Director	Award	2,247	$0
Jun 1, 2026	Johnson Dennis L Director	Award	2,247	$0
Apr 30, 2026	Scott Jonathan R 10% owner	Sale	53,504	$1.90M
Mar 26, 2026	Scott Jonathan R 10% owner	Sale	3,000	$100.4K
Mar 16, 2026	Reuter James A President and CEO	Tax withheld	5,125	$170.3K
Mar 16, 2026	Meyer Lori EVP, Chief Information Officer	Tax withheld	1,550	$51.5K
Mar 16, 2026	Robbins Kristina EVP, Chief Operations Officer	Tax withheld	1,241	$41.2K
Mar 16, 2026	Jensen Kirk D General Counsel	Tax withheld	1,375	$45.7K
Mar 16, 2026	Della Camera David Chief Financial Officer	Tax withheld	1,307	$43.4K
Mar 15, 2026	Shepler Christopher L. Chief Banking Officer	Award	5,971	$197.8K
Mar 15, 2026	Jones Nathan R Chief Risk Officer	Award	3,843	$127.3K
Mar 15, 2026	Jensen Kirk D General Counsel	Award	3,951	$130.9K
Mar 15, 2026	Della Camera David Chief Financial Officer	Award	6,279	$208.0K
Mar 15, 2026	Reuter James A President and CEO	Award	31,392	$1.04M
Mar 15, 2026	Meyer Lori EVP, Chief Information Officer	Award	3,012	$99.8K
Mar 15, 2026	Robbins Kristina EVP, Chief Operations Officer	Award	4,044	$134.0K
Jan 6, 2026	Scott Jonathan R 10% owner	Sale	1,827	$67.5K
Jan 5, 2026	Scott Jonathan R 10% owner	Sale	3,173	$114.9K
Dec 12, 2025	SCOTT JAMES R 10% owner	Gift	755	$0
Dec 12, 2025	SCOTT JAMES R 10% owner	Gift	755	$0

Source: SEC Form 4 filings. Form 4 reports transactions, not the cap table — absence of filings says nothing about how much an insider owns, and a quiet window is not a signal.

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