FIRST INTERSTATE BANCSYSTEM INC — Investor Relations & Filings
Filings indexed
1,947
across all filing types
Latest filing
2026-05-13
Regulatory Filings
Country
US
United States of America
Listing
US
FIBK
First Interstate BancSystem, Inc. is a financial services holding company and the parent of First Interstate Bank. The bank operates on a community banking model, delivering a range of financial solutions to individuals, businesses, and communities across numerous states in the Western and Midwestern United States. Its offerings include personal and business banking products, lending services, and wealth management. The company emphasizes a disciplined approach focused on high-quality financial products, customer service, and socially responsible leadership within its local markets.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K | 2026-05-13 | English | |
| 10-Q | 2026-05-07 | English | |
| 8-K | 2026-04-29 | English | |
| Major Shareholding Notification 2026 | 2026-04-29 | English | |
| DEFA14A | 2026-04-16 | English | |
| DEF 14A | 2026-04-16 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 46141128 | 8-K | 2026-05-13 | English | ||
| 46141275 | 10-Q | 2026-05-07 | English | ||
| 46141385 | 8-K | 2026-04-29 | English | ||
| 46141255 | Major Shareholding Notification 2026 | 2026-04-29 | English | ||
| 46141419 | DEFA14A | 2026-04-16 | English | ||
| 46141417 | DEF 14A | 2026-04-16 | English | ||
| 46141439 | ARS | 2026-04-16 | English | ||
| 46141470 | PRE 14A | 2026-03-31 | English | ||
| 33051570 | SCHEDULE 13G/A - FIRST INTERSTATE BANCSYSTEM INC (0000860413) (Subject) | 2026-03-26 | English | ||
| 32980337 | 4 - FIRST INTERSTATE BANCSYSTEM INC (0000860413) (Issuer) | 2026-03-18 | English | ||
| 32980334 | 4 - FIRST INTERSTATE BANCSYSTEM INC (0000860413) (Issuer) | 2026-03-18 | English | ||
| 32980312 | 4 - FIRST INTERSTATE BANCSYSTEM INC (0000860413) (Issuer) | 2026-03-18 | English | ||
| 32980294 | 4 - FIRST INTERSTATE BANCSYSTEM INC (0000860413) (Issuer) | 2026-03-18 | English | ||
| 32968353 | 4 - FIRST INTERSTATE BANCSYSTEM INC (0000860413) (Issuer) | 2026-03-17 | English | ||
| 32968347 | 4 - FIRST INTERSTATE BANCSYSTEM INC (0000860413) (Issuer) | 2026-03-17 | English | ||
Market data
Market data not available
Last price
Market cap
volume
Day range
today
52-week range
trailing
Price history
Peer group · Other monetary intermediation
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
RHB SAKURA MERCHANT BANKERS BERHAD
Provides financial advisory, corporate finance, and capital…
|
— | MY | Financial and insurance activit… |
|
Rhinebeck Bancorp, Inc.
A financial holding company offering banking, lending, and …
|
RBKB | US | Financial and insurance activit… |
|
Richmond Mutual Bancorporation, Inc.
Community financial institution in Indiana focused on comme…
|
RMBI | US | Financial and insurance activit… |
|
Ringkjøbing Landbobank
A universal bank providing retail, private banking, and SME…
|
RILBA | DK | Financial and insurance activit… |
|
RIVERVIEW BANCORP INC
A holding company for a community bank focused on commercia…
|
RVSB | US | Financial and insurance activit… |
|
Riyad Bank
Provides commercial, retail, and investment banking with Sh…
|
1010 | SA | Financial and insurance activit… |
|
RIZAL COMMERCIAL BANKING CORPORATION
A large privately owned universal bank offering comprehensi…
|
5Y5B | PH | Financial and insurance activit… |
|
Rogaland Sparebank
Independent savings bank offering financial services to ret…
|
SADG | NO | Financial and insurance activit… |
|
Romerike Sparebank
An independent savings bank providing financial services to…
|
ROMER | NO | Financial and insurance activit… |
|
Romsdal Sparebank
A former regional savings bank that offered financial servi…
|
ROMSB | NO | Financial and insurance activit… |
FIRST INTERSTATE BANCSYSTEM INC via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/31290/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=31290 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=31290 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=31290 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 31290}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for FIRST INTERSTATE BANCSYSTEM INC (id: 31290)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.
We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.