Companies: 10,795·Total market cap: $144.5T
Columbia Banking System, Inc.

Columbia Banking System, Inc.

COLBNASDAQFinancial Services● Active
$29.84
+$0.18(+0.61%)
Market Cap$7.1B
P/E Ratio
52W High$32.7
52W Low$21.91

Columbia Banking System, Inc. (COLB) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · COLB · as of Jun 8, 2026

Activity summary

Buy transactions

0

P-Purchase only

Sell transactions

5

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Columbia Banking System, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

COLB insider buying and selling by quarter

COLB insider selling · COLB insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
701K351K0
2025 Q3
2025 Q4
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · COLB ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

COLB executive sell shares · COLB board member insider trading · COLB insider trading SEC filing

Showing 73 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Varnado Anddria

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

Terry Hilliard C. III

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

STUDENMUND JAYNIE M

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

SEATON ELIZABETH WHITEHEAD

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

SCHULTZ JOHN F

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

MITCHELL M CHRISTIAN

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

MACHUCA LUIS

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

Lund Randal Lee

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

Forrest Eric

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

Finkelstein Mark A

Director

Award

Date

May 14

Shares

3,949

Price

Value

View Form 4 on SEC.gov

Lakely Brock

EVP, Chief Accounting Officer

Other

Date

Apr 15

Shares

396

Price

$29.10

Value

$12K

View Form 4 on SEC.gov

Stein Clint

Chair, CEO, President · Director

Option

Date

Mar 13

Shares

18,171

Price

$26.23

Value

$477K

View Form 4 on SEC.gov

Stein Clint

Chair, CEO, President · Director

Other

Date

Mar 13

Shares

7,151

Price

$26.23

Value

$188K

View Form 4 on SEC.gov

OGNALL ANDREW H

EVP Chief Risk Officer

Option

Date

Mar 13

Shares

2,381

Price

$26.23

Value

$62K

View Form 4 on SEC.gov

OGNALL ANDREW H

EVP Chief Risk Officer

Other

Date

Mar 13

Shares

951

Price

$26.23

Value

$25K

View Form 4 on SEC.gov

Nixon Torran B

Senior Executive VP

Option

Date

Mar 13

Shares

5,013

Price

$26.23

Value

$131K

View Form 4 on SEC.gov

Nixon Torran B

Senior Executive VP

Other

Date

Mar 13

Shares

2,002

Price

$26.23

Value

$53K

View Form 4 on SEC.gov

Namdar Frank

EVP Chief Credit Officer

Option

Date

Mar 13

Shares

2,820

Price

$26.23

Value

$74K

View Form 4 on SEC.gov

Namdar Frank

EVP Chief Credit Officer

Other

Date

Mar 13

Shares

1,367

Price

$26.23

Value

$36K

View Form 4 on SEC.gov

Moore Devine David

EVP Chief Marketing Officer

Option

Date

Mar 13

Shares

940

Price

$26.23

Value

$25K

View Form 4 on SEC.gov

Moore Devine David

EVP Chief Marketing Officer

Other

Date

Mar 13

Shares

376

Price

$26.23

Value

$10K

View Form 4 on SEC.gov

Merrywell Christopher

Senior Executive VP

Option

Date

Mar 13

Shares

5,013

Price

$26.23

Value

$131K

View Form 4 on SEC.gov

Merrywell Christopher

Senior Executive VP

Other

Date

Mar 13

Shares

1,973

Price

$26.23

Value

$52K

View Form 4 on SEC.gov

Lakely Brock

EVP, Chief Accounting Officer

Option

Date

Mar 13

Shares

846

Price

$26.23

Value

$22K

View Form 4 on SEC.gov

Lakely Brock

EVP, Chief Accounting Officer

Sale

Date

Mar 13

Shares

211

Price

$26.23

Value

$6K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 3

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About COLB insider trading

COLB insider trades

Columbia Banking System, Inc. (COLB) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Stein Clint (Chair, CEO, President · Director), Nixon Torran B (Senior Executive VP), OGNALL ANDREW H (EVP Chief Risk Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. COLB insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Columbia Banking System, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

COLB insider trading · 5 questions

The insiders of Columbia Banking System, Inc. (COLB) include executives and directors such as Stein Clint (Chair, CEO, President · Director), Nixon Torran B (Senior Executive VP), OGNALL ANDREW H (EVP Chief Risk Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

COLB board member insider tradingwho are COLB insidersCOLB insider rosterColumbia Banking System, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026