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Columbia Banking System (COLB) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
COLB rises 2.1% to $28.63. Closed at $28.63, +2.14% vs the prior close of $28.03. Day range $27.98–$28.65, opened at $28.15.
Last close$28.63+2.14%
Day range27.98–28.65
Open28.15
Volume2.25M
52-week range23.83–33.68
Avg volume (20d)2.78M
COLB daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 15, 2026 — COLB rises 2.1% to $28.63
- Closed at $28.63, +2.14% vs the prior close of $28.03. Day range $27.98–$28.65, opened at $28.15.
- Volume was 2.25M shares, 0.8x its 50-day average of 2.80M.
- Price is -4.6% vs its 50-day average ($30.00) and -3.9% vs its 200-day average ($29.80).
- 52-week range $23.83–$33.68; today's close sits at 49% of that range, 15.0% below the 52-week high.
Oct 14, 2026 — COLB dips 0.7% to $28.03, a 6-month low
- Closed at $28.03, -0.71% vs the prior close of $28.23. Day range $27.65–$28.10, opened at $27.73.
- Volume was 2.98M shares, 1.1x its 50-day average of 2.79M.
- Price is -6.7% vs its 50-day average ($30.06) and -5.9% vs its 200-day average ($29.80).
- 52-week range $23.83–$33.68; today's close sits at 43% of that range, 16.8% below the 52-week high.
Oct 13, 2026 — COLB dips 1.0% to $28.23, a 6-month low
- Closed at $28.23, -0.98% vs the prior close of $28.51. Day range $28.04–$28.75, opened at $28.58.
- Volume was 2.93M shares, 1.1x its 50-day average of 2.78M.
- Price is -6.3% vs its 50-day average ($30.13) and -5.3% vs its 200-day average ($29.80).
- 52-week range $23.83–$33.68; today's close sits at 45% of that range, 16.2% below the 52-week high.
Oct 12, 2026 — COLB rises 0.5% to $28.51
- Closed at $28.51, +0.49% vs the prior close of $28.37. Day range $28.32–$28.64, opened at $28.39.
- Volume was 1.80M shares, 0.6x its 50-day average of 2.80M.
- Price is -5.6% vs its 50-day average ($30.20) and -4.3% vs its 200-day average ($29.81).
- 52-week range $23.83–$33.68; today's close sits at 48% of that range, 15.4% below the 52-week high.
Oct 9, 2026 — COLB dips 0.6% to $28.37
- Closed at $28.37, -0.56% vs the prior close of $28.53. Day range $28.19–$28.53, opened at $28.51.
- Volume was 1.60M shares, 0.6x its 50-day average of 2.85M — lighter than usual.
- Price is -6.2% vs its 50-day average ($30.25) and -4.8% vs its 200-day average ($29.81).
- 52-week range $23.83–$33.68; today's close sits at 46% of that range, 15.8% below the 52-week high.
Oct 8, 2026 — COLB rises 1.0% to $28.53
- Closed at $28.53, +0.96% vs the prior close of $28.26. Day range $27.91–$28.55, opened at $28.07.
- Volume was 3.45M shares, 1.2x its 50-day average of 2.84M.
- Price is -5.9% vs its 50-day average ($30.31) and -4.3% vs its 200-day average ($29.81).
- 52-week range $23.83–$33.68; today's close sits at 48% of that range, 15.3% below the 52-week high.
Oct 7, 2026 — COLB dips 2.2% to $28.26, a 6-month low
- Closed at $28.26, -2.18% vs the prior close of $28.89. Day range $27.96–$28.91, opened at $28.91.
- Volume was 3.19M shares, 1.1x its 50-day average of 2.83M.
- Price is -6.9% vs its 50-day average ($30.35) and -5.2% vs its 200-day average ($29.81).
- 52-week range $23.83–$33.68; today's close sits at 45% of that range, 16.1% below the 52-week high.
Oct 6, 2026 — COLB ends flat (+0.2%) to $28.89
- Closed at $28.89, +0.17% vs the prior close of $28.84. Day range $28.75–$29.17, opened at $28.97.
- Volume was 2.43M shares, 0.9x its 50-day average of 2.84M.
- Price is -5.0% vs its 50-day average ($30.41) and -3.1% vs its 200-day average ($29.81).
- 52-week range $23.83–$33.68; today's close sits at 51% of that range, 14.2% below the 52-week high.
Oct 5, 2026 — COLB ends flat (-0.3%) to $28.84
- Closed at $28.84, -0.28% vs the prior close of $28.92. Day range $28.61–$29.10, opened at $29.00.
- Volume was 2.60M shares, 0.9x its 50-day average of 2.91M.
- Price is -5.3% vs its 50-day average ($30.45) and -3.3% vs its 200-day average ($29.81).
- 52-week range $23.83–$33.68; today's close sits at 51% of that range, 14.4% below the 52-week high.
Oct 2, 2026 — COLB rises 0.7% to $28.92
- Closed at $28.92, +0.66% vs the prior close of $28.73. Day range $28.80–$29.25, opened at $28.95.
- Volume was 2.38M shares, 0.8x its 50-day average of 2.96M.
- Price is -5.2% vs its 50-day average ($30.50) and -3.0% vs its 200-day average ($29.82).
- 52-week range $23.83–$33.68; today's close sits at 52% of that range, 14.1% below the 52-week high.
Things to know before you trade COLB
- Last results release: Jul 23, 2026 (8-K Item 2.02). Previous ones: Apr 23, 2026, Jan 22, 2026, Oct 30, 2025. Based on that rhythm, the next report is likely around Oct 22, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 0.98% (largest 2.2%). That is a relatively calm stock.
- Liquidity: about 2.78M shares (≈$79.60M) trade per day on average.
- 52-week position: $28.63 vs a range of $23.83–$33.68 (49% of the range).
- Dividends: last ex-dividend date Aug 28, 2026 ($0.37/share); 4 payments in the past 12 months.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 1 open-market buys, 7 sales; latest: Aaron James Deer bought 886 shares on Jun 30, 2026.
- Latest filings: 8-K Sep 30, 2026; 8-K Aug 14, 2026; 10-Q Aug 4, 2026.
- Share count: 282.90M shares outstanding (Jul 31, 2026), +34.5% vs a year earlier — notable dilution.
- Listing: Nasdaq · industry: State Commercial Banks.
COLB market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 28.15 | 28.65 | 27.98 | 28.63 | 2.25M |
| Oct 14, 2026 | 27.73 | 28.10 | 27.65 | 28.03 | 2.98M |
| Oct 13, 2026 | 28.58 | 28.75 | 28.04 | 28.23 | 2.93M |
| Oct 12, 2026 | 28.39 | 28.64 | 28.32 | 28.51 | 1.80M |
| Oct 9, 2026 | 28.51 | 28.53 | 28.19 | 28.37 | 1.60M |
| Oct 8, 2026 | 28.07 | 28.55 | 27.91 | 28.53 | 3.45M |
| Oct 7, 2026 | 28.91 | 28.91 | 27.96 | 28.26 | 3.19M |
| Oct 6, 2026 | 28.97 | 29.17 | 28.75 | 28.89 | 2.43M |
| Oct 5, 2026 | 29.00 | 29.10 | 28.61 | 28.84 | 2.60M |
| Oct 2, 2026 | 28.95 | 29.25 | 28.80 | 28.92 | 2.38M |
| Oct 1, 2026 | 28.42 | 28.83 | 27.96 | 28.73 | 3.30M |
| Sep 30, 2026 | 28.70 | 29.00 | 28.49 | 28.60 | 2.45M |
| Sep 29, 2026 | 29.07 | 29.20 | 28.52 | 28.69 | 3.58M |
| Sep 28, 2026 | 29.60 | 29.60 | 29.03 | 29.06 | 2.05M |
| Sep 25, 2026 | 29.43 | 29.81 | 29.30 | 29.64 | 1.85M |
| Sep 24, 2026 | 28.89 | 29.25 | 28.76 | 29.18 | 2.93M |
| Sep 23, 2026 | 29.34 | 29.49 | 28.82 | 28.85 | 2.60M |
| Sep 22, 2026 | 29.93 | 30.10 | 29.34 | 29.34 | 2.58M |
| Sep 21, 2026 | 30.06 | 30.31 | 29.82 | 29.90 | 2.19M |
| Sep 18, 2026 | 29.85 | 29.97 | 29.59 | 29.93 | 6.48M |
About Columbia Banking System
Columbia Banking System (COLB) is listed on the Nasdaq and classified by the SEC under “State Commercial Banks”. Its business address is in TACOMA, WA. State of incorporation: WA. Fiscal year ends December 31. SEC CIK 887343.
COLB board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Mark A Finkelstein | Director | May 18, 2026 |
| Eric Forrest | Director | May 18, 2026 |
| Steven R Gardner | Director | Sep 8, 2026 |
| Simone Lagomarsino | Director | Sep 4, 2026 |
| Randal Lee Lund | Director | May 18, 2026 |
| Luis Machuca | Director | Sep 15, 2026 |
| M Christian Mitchell | Director | May 18, 2026 |
| John F Schultz | Director | May 18, 2026 |
| Elizabeth Whitehead Seaton | Director | May 18, 2026 |
| Jaynie M Studenmund | Director | May 18, 2026 |
| Clint Stein | Chair, CEO, President | Mar 17, 2026 |
| Hilliard C. Iii Terry | Director | May 18, 2026 |
| Anddria Varnado | Director | May 18, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Drew K Anderson | EVP Chief Admin Officer | Mar 17, 2026 |
| Kumi Yamamoto Baruffi | EVP General Counsel, Corp Sec | Mar 20, 2026 |
| Banking System, Inc. Columbia | EVP, Chief Accounting Officer | Dec 1, 2025 |
| Aaron James Deer | EVP Chief Strategy/Innov Offcr | Jul 2, 2026 |
| Judi Giem | EVP CHRO | Aug 18, 2026 |
| Brock Lakely | EVP, Chief Accounting Officer | Apr 16, 2026 |
| Christopher Merrywell | Senior Executive VP | Mar 17, 2026 |
| Devine David Moore | EVP Chief Marketing Officer | Jun 10, 2026 |
| Frank Namdar | EVP Chief Credit Officer | Mar 17, 2026 |
| Torran B Nixon | Senior Executive VP | Mar 17, 2026 |
| Andrew H Ognall | EVP Chief Risk Officer | Mar 17, 2026 |
| Ivan A Seda | EVP, Chief Financial Officer | Feb 20, 2026 |
| Clint Stein | Chair, CEO, President | Mar 17, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 30, 2026 | Aaron James Deer | Buy | 886 | $25.37 |
| Jun 8, 2026 | Devine David Moore | Sale | 3,812 | $29.78 |
| Jun 8, 2026 | Devine David Moore | Sale | 60 | $29.77 |
| Mar 13, 2026 | Brock Lakely | Sale | 211 | $26.23 |
| Mar 13, 2026 | Kumi Yamamoto Baruffi | Sale | 937 | $26.23 |
| Mar 4, 2026 | Torran B Nixon | Sale | 2,240 | $28.85 |
| Mar 3, 2026 | Torran B Nixon | Sale | 2,241 | $28.25 |
| Jan 30, 2026 | Steven R Gardner | Sale | 13,725 | $29.43 |
COLB financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $177.00M | $550.00M | 2.30 | $746.00M |
| Dec 31, 2024 | $149.00M | $534.00M | 2.55 | $659.00M |
| Dec 31, 2023 | $134.00M | $349.00M | 1.78 | $670.00M |
| Dec 31, 2022 | $85.83M | $336.75M | 2.60 | $1.07B |
| Dec 31, 2021 | $83.31M | $420.30M | 3.21 | $662.72M |
Latest balance sheet: total assets $65.38B, total liabilities $57.83B, cash $1.77B (as of Jun 30, 2026).
COLB earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Jul 23, 2026 | 8-K Item 2.02 (results) | $32.26 |
| Apr 23, 2026 | 8-K Item 2.02 (results) | $29.65 |
| Jan 22, 2026 | 8-K Item 2.02 (results) | $29.67 |
| Oct 30, 2025 | 8-K Item 2.02 (results) | $26.02 |
| Jul 24, 2025 | 8-K Item 2.02 (results) | $23.35 |
| Apr 23, 2025 | 8-K Item 2.02 (results) | $23.52 |
| Jan 23, 2025 | 8-K Item 2.02 (results) | $28.15 |
| Oct 24, 2024 | 8-K Item 2.02 (results) | $28.27 |
| Jul 25, 2024 | 8-K Item 2.02 (results) | — |
| Apr 25, 2024 | 8-K Item 2.02 (results) | — |
| Jan 24, 2024 | 8-K Item 2.02 (results) | — |
| Oct 18, 2023 | 8-K Item 2.02 (results) | — |
More on COLB
Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.