COLB · Nasdaq · CIK 0000887343

COLUMBIA BANKING SYSTEM, INC.

COLUMBIA BANKING SYSTEM, INC.’s most recent SEC filing in our snapshot is a Form 8-K filed on Oct 27, 2026. In fiscal 2025 (year ended Dec 31, 2025) it reported revenue of $177.0M and net income of $550.0M, according to its XBRL data on EDGAR. Its EDGAR record lists 83 Form 4 insider filings from the 12 months before our last refresh.

SEC EDGAR snapshot updated Oct 27, 2026, 11:27 PM EDT. See all filings on sec.gov.

Revenue, FY2025
$177.0M
Net income, FY2025
$550.0M
Form 4 filings on record, past 12 months
83

Company overview

Legal name (as filed)
COLUMBIA BANKING SYSTEM, INC.
Ticker
COLB
SEC Central Index Key (CIK)
0000887343
Industry (SIC)
State Commercial Banks (code 6022)
Business address
TACOMA, WA
State or country of incorporation
WA
Fiscal year ends
December 31
SEC filer category
Large accelerated filer
Position in SEC ticker list
#999 of the 3,000 companies we track

Five-year financial highlights

Full-year figures from COLUMBIA BANKING SYSTEM, INC.’s annual reports, as tagged in XBRL and published by the SEC. Amounts are in U.S. dollars; the fiscal year is named for the calendar year in which it ends.

Revenue
$83.3MFY2021$85.8MFY2022$134.0MFY2023$149.0MFY2024$177.0MFY2025
Net income
$420.3MFY2021$336.8MFY2022$349.0MFY2023$534.0MFY2024$550.0MFY2025
COLB annual results
ItemFY2021
ended Dec 31, 2021		FY2022
ended Dec 31, 2022		FY2023
ended Dec 31, 2023		FY2024
ended Dec 31, 2024		FY2025
ended Dec 31, 2025
Revenue$83.3M$85.8M$134.0M$149.0M$177.0M
Net income$420.3M$336.8M$349.0M$534.0M$550.0M
Diluted EPS$3.21$2.60$1.78$2.55$2.30
Total assets$20.9B$31.8B$52.2B$51.6B$66.8B
Cash and equivalents$824.7M$1.3B$2.2B$1.9B$2.4B

XBRL tags used: revenue = RevenueFromContractWithCustomerExcludingAssessedTax; netIncome = NetIncomeLoss; assets = Assets; eps = EarningsPerShareDiluted; cash = CashAndCashEquivalentsAtCarryingValue. EPS is shown as originally reported for each year and may not be adjusted for later stock splits. A dash means the company did not report that item in a form we could match.

How to read these numbers

Revenue is the money a company brings in from selling its products and services; net income is what is left after all expenses, interest and taxes. Diluted EPS spreads net income across every share that could exist if options and convertible securities were exercised. Total assets and cash are balance-sheet figures measured on the last day of the fiscal year. For the full story — segment results, one-time charges, guidance — read Management’s Discussion and Analysis in the Form 10-K.

Latest key reports

The most recent filing of each major report type, even if it falls outside the 40 newest filings below.

COLB latest annual, quarterly, current and proxy reports
FiledFormWhat it isOriginal
Feb 26, 202610-KAnnual report· period Dec 31, 2025Document · Index
Aug 4, 202610-QQuarterly report· period Jun 30, 2026Document · Index
Oct 27, 20268-KDirector or officer change· period Oct 27, 2026Document · Index
Mar 31, 2026DEF 14ADefinitive proxy statement· period May 14, 2026Document · Index

Recent SEC filings

The 40 newest documents filed by or about COLUMBIA BANKING SYSTEM, INC., by form type:

4 ×188-K ×1010-Q ×211-K ×23 ×1144 ×1SCHEDULE 13G/A ×111-K/A ×1SCHEDULE 13G ×1ARS ×1DEFA14A ×1DEF 14A ×1
COLB recent filings
FiledFormWhat it isOriginal
Oct 27, 20268-KDirector or officer change· period Oct 27, 2026Document · Index
Oct 22, 20268-KResults of operations; Regulation FD disclosure· period Oct 22, 2026Document · Index
Sep 30, 20268-KRegulation FD disclosure· period Sep 30, 2026Document · Index
Sep 15, 20264Statement of changes in beneficial ownership (insider trade)· period Sep 14, 2026Document · Index
Sep 8, 20264Statement of changes in beneficial ownership (insider trade)· period Sep 4, 2026Document · Index
Sep 4, 20264Statement of changes in beneficial ownership (insider trade)· period Sep 2, 2026Document · Index
Sep 2, 20263Initial statement of beneficial ownership· period Sep 1, 2026Document · Index
Aug 18, 20264Statement of changes in beneficial ownership (insider trade)· period Aug 14, 2026Document · Index
Aug 14, 20268-KOther events· period Aug 14, 2026Document · Index
Aug 13, 2026SCHEDULE 13G/APassive beneficial ownership report (over 5%)Document · Index
Aug 4, 202610-QQuarterly report· period Jun 30, 2026Document · Index
Jul 30, 20268-KDirector or officer change; Regulation FD disclosure· period Jul 28, 2026Document · Index
Jul 23, 20268-KResults of operations; Regulation FD disclosure· period Jul 23, 2026Document · Index
Jul 2, 20264Statement of changes in beneficial ownership (insider trade)· period Jun 30, 2026Document · Index
Jul 1, 20268-KRegulation FD disclosure· period Jun 30, 2026Document · Index
Jun 25, 202611-KAnnual report of employee stock plans· period Dec 31, 2025Document · Index
Jun 16, 20264Statement of changes in beneficial ownership (insider trade)· period Jun 15, 2026Document · Index
Jun 16, 202611-K/A11-K/A· period Dec 31, 2025Document · Index
Jun 10, 20264Statement of changes in beneficial ownership (insider trade)· period Jun 8, 2026Document · Index
Jun 8, 2026144Notice of proposed sale of securitiesDocument · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 18, 20264Statement of changes in beneficial ownership (insider trade)· period May 14, 2026Document · Index
May 15, 20268-KOther events· period May 15, 2026Document · Index
May 15, 20268-KShareholder vote results· period May 14, 2026Document · Index
May 5, 202610-QQuarterly report· period Mar 31, 2026Document · Index
Apr 29, 2026SCHEDULE 13GPassive beneficial ownership report (over 5%)Document · Index
Apr 23, 20268-KResults of operations; Regulation FD disclosure· period Apr 23, 2026Document · Index
Apr 16, 20264Statement of changes in beneficial ownership (insider trade)· period Apr 15, 2026Document · Index
Mar 31, 2026ARSARS· period Dec 31, 2025Document · Index
Mar 31, 2026DEFA14AAdditional proxy soliciting materialsDocument · Index
Mar 31, 2026DEF 14ADefinitive proxy statement· period May 14, 2026Document · Index
Mar 31, 202611-KAnnual report of employee stock plans· period Dec 31, 2025Document · Index

Insider filing activity

83 Form 4 filings appear in COLUMBIA BANKING SYSTEM, INC.’s EDGAR record between Oct 28, 2025 and our last refresh. Most are reports by the company’s own directors, officers and 10% owners, but EDGAR also lists a Form 4 under a company when the company itself is the insider — for example, when it owns more than 10% of another public company. Foreign private issuers’ own insiders generally do not file Form 4. A high count is not by itself a signal: many Form 4s report routine stock awards, tax withholding or sales under pre-arranged Rule 10b5-1 plans. Open each filing to see the transaction code, share count and price. What a Form 4 shows.

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Source

  • U.S. Securities and Exchange Commission, EDGAR submissions for CIK 0000887343 and XBRL company facts. COLUMBIA BANKING SYSTEM, INC. on EDGAR.
  • Snapshot updated Oct 27, 2026, 11:27 PM EDT. The SEC does not endorse OpenFilings. Company names and tickers are used only to identify the filer; no logos are shown.

Not investment advice. This page summarizes public SEC filings for information only. Figures may contain errors or omissions; confirm everything in the original filing before relying on it.