COLUMBIA BANKING SYSTEM, INC. — Investor Relations & Filings
Filings indexed
1,410
across all filing types
Latest filing
2026-05-15
Regulatory Filings
Country
US
United States of America
Listing
US
COLB
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 |
|---|---|---|---|
| 8-K | 2026-05-15 | English | |
| 8-K | 2026-05-15 | English | |
| 10-Q | 2026-05-05 | English | |
| Major Shareholding Notification 2026 | 2026-04-29 | English | |
| 8-K | 2026-04-23 | English | |
| ARS | 2026-03-31 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 46359792 | 8-K | 2026-05-15 | English | ||
| 46360154 | 8-K | 2026-05-15 | English | ||
| 46197498 | 10-Q | 2026-05-05 | English | ||
| 46197535 | Major Shareholding Notification 2026 | 2026-04-29 | English | ||
| 46197532 | 8-K | 2026-04-23 | English | ||
| 46197548 | ARS | 2026-03-31 | English | ||
| 46197644 | DEF 14A | 2026-03-31 | English | ||
| 46197654 | DEFA14A | 2026-03-31 | English | ||
| 33122249 | 11-K - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Filer) | 2026-03-31 | English | ||
| 33120676 | 8-K - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Filer) | 2026-03-31 | English | ||
| 33052674 | SCHEDULE 13G/A - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Subject) | 2026-03-26 | English | ||
| 33003248 | 4/A - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Issuer) | 2026-03-21 | English | ||
| 33003249 | 4/A - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Issuer) | 2026-03-21 | English | ||
| 32969098 | 4 - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Issuer) | 2026-03-18 | English | ||
| 32969090 | 4 - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Issuer) | 2026-03-18 | English | ||
Market data
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Last price
Market cap
volume
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Price history
Peer group · Activities of holding companies
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
AKDENİZ YATIRIM HOLDİNG A.Ş.
An investment holding company with a diversified portfolio …
|
AKYHO | TR | Financial and insurance activit… |
|
Aker
Industrial investment company with active ownership in ener…
|
AKER | NO | Financial and insurance activit… |
|
ALFA HOLDINGS S.A.
Manages a portfolio in banking, finance, insurance, and pet…
|
— | BR | Financial and insurance activit… |
|
Al Gassim Investment Holding Co.
Manages a portfolio across agriculture, food processing, re…
|
6020 | SA | Financial and insurance activit… |
|
Algene Holding SE
Investment holding company acquiring, trading, and managing…
|
AV4 | DE | Financial and insurance activit… |
|
ALINA HOLDINGS PLC
Investment holding company that acquires businesses and man…
|
ALNA | GB | Financial and insurance activit… |
|
ALIPERTI S.A.
Manages corporate portfolio and legacy assets from steel an…
|
— | BR | Financial and insurance activit… |
|
ALKEMY CAPITAL INVESTMENTS PLC
An investment vehicle and holding company that invests in t…
|
ALK | GB | Financial and insurance activit… |
|
Allerthal-Werke AG
Investment holding company that acquires and manages stakes…
|
ATW | DE | Financial and insurance activit… |
|
Allied Group Limited
Operates in financial services, property investment, elderl…
|
373 | HK | 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 |
Full reference: API reference · OpenAPI schema
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)"
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