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Columbia Banking System, Inc. (COLB) — GAAP EPS actuals & earnings history

As-filed GAAP earnings, announcement timing (BMO/AMC), margins, and Form 4 insider transactions for Columbia Banking System, Inc. — every data point sourced from SEC EDGAR and auditable to the original filing.

Coverage for COLB

Aegwah tracks 65 quarters of as-filed GAAP EPS for Columbia Banking System, Inc., spanning 2010-03 to 2026-03. Every figure is traceable to the original SEC filing. Verify any number directly on SEC EDGAR.

What you get for COLB

• As-filed diluted & basic GAAP EPS (split-adjusted) for every reported quarter
• Revenue, net income, and gross margin where reported in XBRL
• Announcement timing — before-market (BMO) or after-market (AMC) from matched 8-K acceptance time
• Form 4 insider open-market buys & sells (Pro adds clusters & conviction scores)
• The SEC edgar_accession and filing_url on every EDGAR-sourced record

Access COLB data via API

The same membership unlocks a ZIP download and a Bearer-token REST API:

curl -H "Authorization: Bearer <your-key>" \
  https://api.aegwah.com/v1/actuals/earnings/COLB

Related: how this data is sourced & scored · per-ticker quality report · COLB filings on SEC EDGAR