COLUMBIA BANKING SYSTEM, INC. — Investor Relations & Filings
Columbia Banking System, Inc. is a financial holding company and the parent of Columbia Bank, a regional bank operating in the Western United States. As one of the largest banks headquartered in the West, it has locations in Arizona, California, Colorado, Idaho, Nevada, Oregon, Utah, and Washington. The company provides a comprehensive suite of services for consumers and businesses, including retail and commercial banking, Small Business Administration (SBA) lending, institutional and corporate banking, and equipment leasing. Through its Columbia Wealth Management division, customers also have access to investment, wealth management, healthcare, and private banking solutions.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 11-K - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Filer) | 2026-03-31 | English | |
| 8-K - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Filer) | 2026-03-31 | English | |
| SCHEDULE 13G/A - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Subject) | 2026-03-26 | English | |
| 4/A - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Issuer) | 2026-03-21 | English | |
| 4/A - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Issuer) | 2026-03-21 | English | |
| 4 - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Issuer) | 2026-03-18 | English |
Market data
Market data not available
Price history
Peer group · Activities of holding companies
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
0964104 B.C. Ltd.
A holding company and wholly-owned subsidiary of U3O8 Corp.…
|
— | CA | Financial and insurance activit… |
|
1000 YATIRIMLAR HOLDİNG A.Ş.
Investment holding company focused on tech, transportation,…
|
BINHO | TR | Financial and insurance activit… |
|
1RT Acquisition Corp.
A blank check company formed to effect a merger or other bu…
|
ONCH | US | Financial and insurance activit… |
|
3U Holding AG
A holding company operating firms in IT, renewable energy, …
|
UUU | DE | Financial and insurance activit… |
|
4404980 CANADA INC.
A dissolved federally incorporated distributing corporation…
|
— | CA | Financial and insurance activit… |
|
524 PARTICIPAÇOES SA
Holding company focused on the management and administratio…
|
— | BR | Financial and insurance activit… |
|
8I HOLDINGS LTD
Investment holding company focused on fintech, asset manage…
|
8IH | AU | Financial and insurance activit… |
|
9169-8316 Québec Inc.
Numbered corporation and reporting issuer filing regulatory…
|
— | CA | Financial and insurance activit… |
|
ACACIA RESEARCH CORP
A strategic acquirer and operator of undervalued public and…
|
ACTG | US | Financial and insurance activit… |
|
Acceler8 Ventures PLC
Acquisition company targeting gaming, media, software, tech…
|
— | JE | Financial and insurance activit… |
COLUMBIA BANKING SYSTEM, 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/30766/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30766 | 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=30766 | 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=30766 \ -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": 30766}, 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 COLUMBIA BANKING SYSTEM, INC. (id: 30766)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.