Stocks › COLB
COLUMBIA BANKING SYSTEM, INC.
COLB·Nasdaq·
United States·USD
United States·USD$28.89
+0.05 (+0.17%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
COLB
COLUMBIA BANKING SYSTEM, INC. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
COLBS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of COLB by members of U.S. Congress · 7 on record · 3 in the last 12 months
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Josh GottheimerHouse · D · NJ |
COLBCOLUMBIA BANKING SYSTEM, INC. · Stock |
Sale $1,001 - $15,000 |
Apr 8, 2026 | Mar 5, 2026 | Filing ↗ |
 Gilbert Ray Cisneros, Jr.House · D · CA |
COLBCOLUMBIA BANKING SYSTEM, INC. · Stock |
Sale $15,001 - $50,000 |
Feb 13, 2026 | Jan 15, 2026 | Filing ↗ |
| Gilbert Ray Cisneros, Jr.House · D · CA |
COLBCOLUMBIA BANKING SYSTEM, INC. · Stock |
Purchase $1,001 - $15,000 |
Nov 18, 2025 | Oct 3, 2025 | Filing ↗ |
 Daniel S. GoldmanHouse · D · NY |
COLBCOLUMBIA BANKING SYSTEM, INC. · Stock |
Purchase $15,001 - $50,000 |
May 19, 2023 | Apr 10, 2023 | Filing ↗ |
 James B. RenacciHouse · R · OH |
COLBCOLUMBIA BANKING SYSTEM, INC. · Stock |
Purchase $1,001 - $15,000 |
May 22, 2018 | May 2, 2018 | Filing ↗ |
| James B. RenacciHouse · R · OH |
COLBCOLUMBIA BANKING SYSTEM, INC. · Stock |
Purchase $1,001 - $15,000 |
Jun 7, 2017 | May 19, 2017 | Filing ↗ |
| James B. RenacciHouse · R · OH |
COLBCOLUMBIA BANKING SYSTEM, INC. · Stock |
Purchase $1,001 - $15,000 |
Apr 4, 2017 | Mar 27, 2017 | Filing ↗ |
Whale Activity
Position changes in COLB reported for 2026-06-30 by 14 tracked institutional filers
- Increased4
- New1
- Held0
- Decreased2
- Closed3
- No prior filing4
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 27.5M | $880.4M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 13.7M | $438.4M | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 13.1M | $419.0M | decreased |
| Stieven Capital Advisors, L.P. | 1.1M | $34.3M | — |
| D. E. Shaw & Co., Inc. | 897.7K | $28.8M | new |
| Bridgewater Associates, LP | 466.3K | $14.9M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 384.5K | $12.3M | increased |
| Expect Equity LLC | 143.1K | $4.6M | — |
| PARK CIRCLE Co | 54.4K | $1.7M | — |
| Petiole USA ltd | 51.8K | $1.7M | — |
| TWO SIGMA INVESTMENTS, LP | 35.1K | $1.1M | increased |
| Point72 Asset Management | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by COLB insiders, by quarter · Form 4
Recent Insider Transactions
1,297 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Deer Aaron JamesEVP Chief Strategy/Innov Offcr | Purchase | +886 | n/c | — | Jun 30, 2026 | Form 4 ↗ |
| Moore Devine DavidEVP Chief Marketing Officer | Sale | −3,812 | $29.78 | $114K | Jun 8, 2026 | Form 4 ↗ |
| Moore Devine DavidEVP Chief Marketing Officer | Sale | −60 | $29.77 | $2K | Jun 8, 2026 | Form 4 ↗ |
| Lund Randal LeeDirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| Forrest EricDirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| SEATON ELIZABETH WHITEHEADDirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| Finkelstein Mark ADirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| Terry Hilliard C. IIIDirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| MITCHELL M CHRISTIANDirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| STUDENMUND JAYNIE MDirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| MACHUCA LUISDirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| Varnado AnddriaDirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| SCHULTZ JOHN FDirector | Grant / award | +3,949 | $0.00 | $0 | May 14, 2026 | Form 4 ↗ |
| Lakely BrockEVP, Chief Accounting Officer | Tax withholding | −396 | $29.10 | $12K | Apr 15, 2026 | Form 4 ↗ |
| BARUFFI KUMI YAMAMOTOEVP General Counsel, Corp Sec | Tax withholding Amended | −937 | $26.23 | $25K | Mar 13, 2026 | Form 4 ↗ |
| Lakely BrockEVP, Chief Accounting Officer | Tax withholding Amended | −211 | $26.23 | $6K | Mar 13, 2026 | Form 4 ↗ |
| Anderson Drew KEVP Chief Admin Officer | Tax withholding | −1,215 | $26.23 | $32K | Mar 13, 2026 | Form 4 ↗ |
| Anderson Drew KEVP Chief Admin Officer | Option exercise | +2,506 | $26.23 | $66K | Mar 13, 2026 | Form 4 ↗ |
| Deer Aaron JamesEVP Chief Strategy/Innov Offcr | Tax withholding | −617 | $26.23 | $16K | Mar 13, 2026 | Form 4 ↗ |
| Deer Aaron JamesEVP Chief Strategy/Innov Offcr | Option exercise | +1,567 | $26.23 | $41K | Mar 13, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding COLB · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF iShares Trust | 9.9M | $317.5M | 0.26% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 9.2M | $295.0M | 0.01% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 6.6M | $213.1M | 0.11% | Jun 30, 2026 |
| Schwab U.S. Dividend Equity ETF SCHWAB STRATEGIC TRUST | 7.1M | $209.0M | 0.22% | May 31, 2026 |
| T. Rowe Price Small-Cap Value Fund, Inc. | 5.8M | $184.4M | 1.74% | Jun 30, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 4.2M | $135.0M | 0.20% | Jun 30, 2026 |
| U.S. SMALL CAP VALUE PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 3.7M | $114.5M | 0.59% | Jul 31, 2026 |
| Avantis U.S. Small Cap Value ETF American Century ETF Trust | 3.7M | $108.9M | 0.40% | May 31, 2026 |
| Franklin Small Cap Value Fund Franklin Value Investors Trust | 3.5M | $108.5M | 2.53% | Jul 31, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 3.3M | $106.3M | 0.11% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list COLB's shares (CUSIP 197236102), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming COLUMBIA BANKING SYSTEM, INC. as client
No lobbying filings found naming COLUMBIA BANKING SYSTEM, INC. as the client.
Government Contracts
Federal awards to COLUMBIA BANKING SYSTEM, INC. · USAspending
No federal contract awards found for COLUMBIA BANKING SYSTEM, INC..
U.S. Patents
Recent USPTO applications naming COLUMBIA BANKING SYSTEM, INC.
No USPTO patent applications found for COLUMBIA BANKING SYSTEM, INC..
Annual Financials
From COLB's 10-K filings · XBRL
No annual XBRL figures on record for COLB. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 20-for-19Stock splitMay 7, 2004
- 20-for-19Stock splitApr 11, 2002
- 11-for-10Stock splitMay 24, 2001
- 3-for-2Stock splitMay 21, 1998
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 7.01, 9.01Reg FD disclosureSep 30, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsAug 14, 2026
EDGAR ↗ - 8-K · Items 5.02, 7.01, 9.01Officer / director change · Reg FD disclosureJul 30, 2026
EDGAR ↗ - 8-K · Items 2.02, 7.01, 9.01Results of operations · Reg FD disclosureJul 23, 2026
EDGAR ↗ - 8-K · Items 7.01, 9.01Reg FD disclosureJul 1, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsMay 15, 2026
EDGAR ↗ - 8-K · Items 5.07Shareholder voteMay 15, 2026
EDGAR ↗ - 8-K · Items 7.01, 9.01Reg FD disclosureDec 31, 2025
EDGAR ↗ - 8-K · Items 7.01, 9.01Reg FD disclosureDec 31, 2024
EDGAR ↗
About COLUMBIA BANKING SYSTEM, INC.
From SEC EDGAR company records
Industry (SIC 6022)State Commercial Banks
SectorFinancials
HeadquartersTACOMA, WA
IncorporatedWA
SEC CIK0000887343 ↗
Former namesCOLUMBIA BANKING SYSTEM INC