Company · COLB · CIK 887343

Columbia Banking System, Inc. (COLB) SEC filings and CIK.

COLB’s SEC Central Index Key (CIK) is 0000887343, or 887343 without leading zeros. The SEC’s ticker file lists it as COLUMBIA BANKING SYSTEM, INC..

Ticker: COLB
CIK: 0000887343
Other tickers: None
Insider transactions: None loaded

Recent filings we observed

No filings for this CIK appear in our current observation window. The full history is available from the filings endpoint below and on SEC.gov.

Get COLB SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=887343&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/887343" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/887343?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Columbia Banking System, Inc. on SEC.gov

Questions

What is COLB’s CIK number?

COLB’s SEC Central Index Key (CIK) is 0000887343, or 887343 without leading zeros. The SEC’s ticker file lists it as COLUMBIA BANKING SYSTEM, INC..

How do I find Columbia Banking System, Inc.’s 10-K?

Request /api/v1/filings?cik=887343&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

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Ticker and CIK: SEC company_tickers.json, cached 2026-11-11. Tickers can move between entities; the CIK identifies the filer.

Plain-text version for agents and LLMs: /companies/colb.md

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