Columbia Banking System, Inc. (COLB): insider trading, Congress trades & who owns it

Insider signal
47/100
Neutral · 90 days
Insider buys
$22K
1 buyer · 12 months
Insider sales
$677K
5 sellers · 12 months
Funds holding
—
13F filings
Congress trades
3
2 members · 2 years

It has been a mixed year for Columbia Banking System, Inc. insiders: $22,000 bought by one person and $677,000 sold by five, so more selling than buying overall.

The largest purchase came from Deer Aaron James (Executive Officer), about $22,000.

Members of Congress reported 3 trades in COLB over the past two years (two members). Zooming out by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 1 of the last 7 full quarters.

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Latest insider trades in COLB

FiledInsiderRoleTypeSharesPriceValueSource
Jul 2, 2026Deer Aaron JamesExecutive OfficerBuy886$25.37$22KSEC
Jun 10, 2026Moore Devine DavidExecutive OfficerSell3,812$29.78$114KSEC
Jun 10, 2026Moore Devine DavidExecutive OfficerSell60$29.77$2KSEC
Mar 17, 2026Lakely BrockExecutive OfficerSell211$26.23$6KSEC
Mar 17, 2026BARUFFI KUMI YAMAMOTOExecutive OfficerSell937$26.23$25KSEC
Mar 5, 2026Nixon Torran BOfficerSell2,241$28.25$63KSEC
Mar 5, 2026Nixon Torran BOfficerSell2,240$28.85$65KSEC
Feb 3, 2026GARDNER STEVEN RDirectorSell13,725$29.43$404KSEC
Mar 5, 2025Nixon Torran BOfficerSell4,481$25.99$116KSEC
Feb 7, 2024SEATON ELIZABETH WHITEHEADDirectorBuy2,685$18.48$50KSEC
Feb 2, 2024Lund Randal LeeDirectorBuy1,000$19.29$19KSEC
Feb 1, 2024MACHUCA LUISDirectorBuy4,889$20.58$101KSEC
Feb 1, 2024Deer Aaron JamesExecutive OfficerBuy2,000$19.32$39KSEC
Feb 1, 2024Nixon Torran BOfficerBuy3,650$20.49$75KSEC
Jan 31, 2024EERKES CRAIG DDirectorBuy38$20.88$793SEC

Congress trades in COLB Free

FiledMemberTypeAmountSource
Apr 8, 2026Josh Gottheimer DSale$1,001 - $15,000Official filing
Feb 13, 2026Gilbert Ray Cisneros, Jr. DSale$15,001 - $50,000Official filing
Nov 18, 2025Gilbert Ray Cisneros, Jr. DPurchase$1,001 - $15,000Official filing

Questions about COLB

Are insiders buying or selling COLB stock?

In the last 12 months Columbia Banking System, Inc. insiders made open-market purchases worth about $22,000 and sales worth about $677,000. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.

When was the last insider trade in COLB?

The most recent open-market insider trade in COLB was filed on 2026-07-02.

Has any member of Congress traded COLB?

Yes. Members of Congress reported 3 trades in COLB over the past two years. The full list is free on CapitalSnitch.

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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).