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
Market data not available
Last price
Market cap
volume
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Price history
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Financial holding company with banking and insurance subsid…
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Aditya Birla Capital Ltd
Financial services holding company offering lending, invest…
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ABCAPITAL | IN | Financial and insurance activit… |
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ADQ BONDS MAY2029 5.375%
Abu Dhabi-based investment and holding company focused on c…
|
XSADQ0529 | AE | Financial and insurance activit… |
|
ADQ BONDS MAY2030 4.5%
An investment and holding company creating global business …
|
XSADQ0530 | AE | Financial and insurance activit… |
|
ADQ BONDS MAY2034 5.5%
Sovereign investor making strategic investments in critical…
|
XSADQ0534 | AE | Financial and insurance activit… |
|
ADQ BONDS MAY2035 5%
Sovereign investor creating global business platforms, inve…
|
XSADQ0535 | AE | Financial and insurance activit… |
|
ADQ BONDS OCT2031 4.375%
An investment and holding company focused on critical infra…
|
XSADQ1031 | AE | Financial and insurance activit… |
|
ADQ BONDS OCT2054 5.25%
An investment and holding company creating global business …
|
XSADQ1054 | AE | 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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