
Columbia Banking System, Inc.
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
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
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
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 14, 2026 | Varnado Anddria Director | Award | 3,949 | — | Form 4 |
| May 14, 2026 | Terry Hilliard C. III Director | Award | 3,949 | — | Form 4 |
| May 14, 2026 | STUDENMUND JAYNIE M Director | Award | 3,949 | — | Form 4 |
| May 14, 2026 | SEATON ELIZABETH WHITEHEAD Director | Award | 3,949 | — | Form 4 |
| May 14, 2026 | SCHULTZ JOHN F Director | Award | 3,949 | — | Form 4 |
| May 14, 2026 | MITCHELL M CHRISTIAN Director | Award | 3,949 | — | Form 4 |
| May 14, 2026 | MACHUCA LUIS Director | Award | 3,949 | — | Form 4 |
| May 14, 2026 | Lund Randal Lee Director | Award | 3,949 | — | Form 4 |
| May 14, 2026 | Forrest Eric Director | Award | 3,949 | — | Form 4 |
| May 14, 2026 | Finkelstein Mark A Director | Award | 3,949 | — | Form 4 |
| Apr 15, 2026 | Lakely Brock EVP, Chief Accounting Officer | Other | 396 | $12K | Form 4 |
| Mar 13, 2026 | Stein Clint Chair, CEO, President · Director | Option | 18,171 | $477K | Form 4 |
| Mar 13, 2026 | Stein Clint Chair, CEO, President · Director | Other | 7,151 | $188K | Form 4 |
| Mar 13, 2026 | OGNALL ANDREW H EVP Chief Risk Officer | Option | 2,381 | $62K | Form 4 |
| Mar 13, 2026 | OGNALL ANDREW H EVP Chief Risk Officer | Other | 951 | $25K | Form 4 |
| Mar 13, 2026 | Nixon Torran B Senior Executive VP | Option | 5,013 | $131K | Form 4 |
| Mar 13, 2026 | Nixon Torran B Senior Executive VP | Other | 2,002 | $53K | Form 4 |
| Mar 13, 2026 | Namdar Frank EVP Chief Credit Officer | Option | 2,820 | $74K | Form 4 |
| Mar 13, 2026 | Namdar Frank EVP Chief Credit Officer | Other | 1,367 | $36K | Form 4 |
| Mar 13, 2026 | Moore Devine David EVP Chief Marketing Officer | Option | 940 | $25K | Form 4 |
| Mar 13, 2026 | Moore Devine David EVP Chief Marketing Officer | Other | 376 | $10K | Form 4 |
| Mar 13, 2026 | Merrywell Christopher Senior Executive VP | Option | 5,013 | $131K | Form 4 |
| Mar 13, 2026 | Merrywell Christopher Senior Executive VP | Other | 1,973 | $52K | Form 4 |
| Mar 13, 2026 | Lakely Brock EVP, Chief Accounting Officer | Option | 846 | $22K | Form 4 |
| Mar 13, 2026 | Lakely Brock EVP, Chief Accounting Officer | Sale | 211 | $6K | Form 4 |
Lakely Brock
EVP, Chief Accounting Officer
Date
Apr 15
Shares
396
Price
$29.10
Value
$12K
Stein Clint
Chair, CEO, President · Director
Date
Mar 13
Shares
18,171
Price
$26.23
Value
$477K
Stein Clint
Chair, CEO, President · Director
Date
Mar 13
Shares
7,151
Price
$26.23
Value
$188K
OGNALL ANDREW H
EVP Chief Risk Officer
Date
Mar 13
Shares
2,381
Price
$26.23
Value
$62K
OGNALL ANDREW H
EVP Chief Risk Officer
Date
Mar 13
Shares
951
Price
$26.23
Value
$25K
Nixon Torran B
Senior Executive VP
Date
Mar 13
Shares
5,013
Price
$26.23
Value
$131K
Nixon Torran B
Senior Executive VP
Date
Mar 13
Shares
2,002
Price
$26.23
Value
$53K
Namdar Frank
EVP Chief Credit Officer
Date
Mar 13
Shares
2,820
Price
$26.23
Value
$74K
Namdar Frank
EVP Chief Credit Officer
Date
Mar 13
Shares
1,367
Price
$26.23
Value
$36K
Moore Devine David
EVP Chief Marketing Officer
Date
Mar 13
Shares
940
Price
$26.23
Value
$25K
Moore Devine David
EVP Chief Marketing Officer
Date
Mar 13
Shares
376
Price
$26.23
Value
$10K
Merrywell Christopher
Senior Executive VP
Date
Mar 13
Shares
5,013
Price
$26.23
Value
$131K
Merrywell Christopher
Senior Executive VP
Date
Mar 13
Shares
1,973
Price
$26.23
Value
$52K
Lakely Brock
EVP, Chief Accounting Officer
Date
Mar 13
Shares
846
Price
$26.23
Value
$22K
Lakely Brock
EVP, Chief Accounting Officer
Date
Mar 13
Shares
211
Price
$26.23
Value
$6K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ 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 →
Frequently asked questions
COLB insider trading · 5 questionsThe 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.
▸ 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