
FIRST INTERSTATE BANCSYSTEM INC — Investor Relations & Filings
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
Price history
Peer group · Other monetary intermediation
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Mediobanca
A specialized financial group in wealth management, CIB, an…
|
MB | IT | Financial and insurance activit… |
|
Melhus Sparebank
Offers financial products and advisory to individuals, busi…
|
MELG | NO | Financial and insurance activit… |
|
MERCANTILE BANK CORP
Bank holding company providing commercial and retail bankin…
|
MBWM | US | Financial and insurance activit… |
|
Merchants Bancorp
A diversified bank holding company with mortgage and commun…
|
MBIN | US | Financial and insurance activit… |
|
Meridian Corp
A bank holding company offering commercial and consumer ban…
|
MRBK | US | Financial and insurance activit… |
|
Merkur Privatbank KGaA
An owner-managed private bank offering investment and finan…
|
MBK | DE | Financial and insurance activit… |
|
METRO BANK HOLDINGS PLC
A retail and commercial bank for personal, business, commer…
|
MTRO | GB | Financial and insurance activit… |
|
METRO BANK PLC
Provides retail and commercial banking services for persona…
|
MTRO | GB | Financial and insurance activit… |
|
MetroCity Bankshares, Inc.
Provides personal and commercial banking with a focus on th…
|
MCBS | US | Financial and insurance activit… |
|
MIDDLEFIELD BANC CORP
Bank holding company providing banking and lending services…
|
MBCN | US | 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 |
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.