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COLUMBIA BANKING SYSTEM, INC.
COLBNasdaqCIK: 0000887343
Recent Form 4 activity at COLUMBIA BANKING SYSTEM, INC. (COLB) spans 50 filings across 19 insiders (1 buying and 4 selling). Purchases total $22.5K against $273.3K in sales — heavily weighted toward selling, for net sales of $250.9K. Stein Clint (Chair, CEO, President, Director) is the most active by dollar volume, and the single largest transaction was $2.1M by Stein Clint. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.
Total Volume
$6.1M
Purchases
$22.5K
Sales
$273.3K
Unique Insiders
19
Recent Insider Trades
50 loaded
| Aug 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Giem Judi | EVP CHRO | Exercise | $99.2K |
| Jul 2 | COLB COLUMBIA BANKING SYSTEM, INC. | Deer Aaron James | EVP Chief Strategy/Innov Offcr | Buy | $22.5K |
| Jun 16 | COLB COLUMBIA BANKING SYSTEM, INC. | MACHUCA LUIS | Director | Award | $0 |
| Jun 10 | COLB COLUMBIA BANKING SYSTEM, INC. | Moore Devine David | EVP Chief Marketing Officer | Sell | $115.3K |
| May 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Terry Hilliard C. III | Director | Grant | $0 |
| May 18 | COLB COLUMBIA BANKING SYSTEM, INC. | STUDENMUND JAYNIE M | Director | Grant | $0 |
| May 18 | COLB COLUMBIA BANKING SYSTEM, INC. | SEATON ELIZABETH WHITEHEAD | Director | Grant | $0 |
| May 18 | COLB COLUMBIA BANKING SYSTEM, INC. | MITCHELL M CHRISTIAN | Director | Grant | $0 |
| May 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Lund Randal Lee | Director | Grant | $0 |
| May 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Varnado Anddria | Director | Grant | $0 |
| May 18 | COLB COLUMBIA BANKING SYSTEM, INC. | MACHUCA LUIS | Director | Grant | $0 |
| May 18 | COLB COLUMBIA BANKING SYSTEM, INC. | SCHULTZ JOHN F | Director | Grant | $0 |
| Apr 16 | COLB COLUMBIA BANKING SYSTEM, INC. | Lakely Brock | EVP, Chief Accounting Officer | Tax withheld | $11.5K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | MACHUCA LUIS | Director | Award | $0 |
| Mar 20 | COLB COLUMBIA BANKING SYSTEM, INC. | Lakely Brock | EVP, Chief Accounting Officer | Tax withheld | $5.5K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | Merrywell Christopher | Senior Executive VP | Exercise | $183.2K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | Stein Clint | Chair, CEO, President, Director | Exercise | $664.2K |
| Mar 20 | COLB COLUMBIA BANKING SYSTEM, INC. | BARUFFI KUMI YAMAMOTO | EVP General Counsel, Corp Sec | Tax withheld | $24.6K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | Lakely Brock | EVP, Chief Accounting Officer | Sell | $5.5K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | Namdar Frank | EVP Chief Credit Officer | Exercise | $109.8K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | Deer Aaron James | EVP Chief Strategy/Innov Offcr | Exercise | $57.3K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | Anderson Drew K | EVP Chief Admin Officer | Exercise | $97.6K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | BARUFFI KUMI YAMAMOTO | EVP General Counsel, Corp Sec | Sell | $24.6K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | Nixon Torran B | Senior Executive VP | Exercise | $184.0K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | OGNALL ANDREW H | EVP Chief Risk Officer | Exercise | $87.4K |
| Mar 17 | COLB COLUMBIA BANKING SYSTEM, INC. | Moore Devine David | EVP Chief Marketing Officer | Exercise | $34.5K |
| Mar 5 | COLB COLUMBIA BANKING SYSTEM, INC. | Nixon Torran B | Senior Executive VP | Sell | $127.9K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | Anderson Drew K | EVP Chief Admin Officer | Tax withheld | $51.4K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | Nixon Torran B | Senior Executive VP | Tax withheld | $84.8K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | OGNALL ANDREW H | EVP Chief Risk Officer | Tax withheld | $37.1K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | Merrywell Christopher | Senior Executive VP | Tax withheld | $91.9K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | Lakely Brock | EVP, Chief Accounting Officer | Tax withheld | $11.1K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | Stein Clint | Chair, President, CEO, Director | Tax withheld | $278.5K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | Namdar Frank | EVP Chief Credit Officer | Tax withheld | $51.4K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | Moore Devine David | EVP Chief Marketing Officer | Tax withheld | $23.8K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | BARUFFI KUMI YAMAMOTO | EVP General Counsel, Corp Sec | Tax withheld | $51.2K |
| Mar 2 | COLB COLUMBIA BANKING SYSTEM, INC. | Deer Aaron James | EVP Chief Strategy/Innov Offcr | Tax withheld | $26.1K |
| Feb 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Stein Clint | Chair, President, CEO, Director | Tax withheld | $123.5K |
| Feb 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Namdar Frank | EVP Chief Credit Officer | Tax withheld | $36.8K |
| Feb 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Anderson Drew K | EVP Chief Admin Officer | Tax withheld | $24.8K |
| Feb 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Merrywell Christopher | Senior Executive VP | Tax withheld | $53.7K |
| Feb 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Nixon Torran B | Senior Executive VP | Tax withheld | $60.0K |
| Feb 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Deer Aaron James | EVP Chief Strategy/Innov Offcr | Tax withheld | $16.7K |
| Feb 18 | COLB COLUMBIA BANKING SYSTEM, INC. | OGNALL ANDREW H | EVP Chief Risk Officer | Tax withheld | $29.3K |
| Feb 18 | COLB COLUMBIA BANKING SYSTEM, INC. | Moore Devine David | EVP Chief Marketing Officer | Tax withheld | $15.3K |
| Feb 18 | COLB COLUMBIA BANKING SYSTEM, INC. | BARUFFI KUMI YAMAMOTO | EVP General Counsel, Corp Sec | Tax withheld | $32.6K |
| Feb 4 | COLB COLUMBIA BANKING SYSTEM, INC. | Namdar Frank | EVP Chief Credit Officer | Grant | $138.6K |
| Feb 4 | COLB COLUMBIA BANKING SYSTEM, INC. | Stein Clint | Chair, President, CEO, Director | Grant | $1.5M |
| Feb 4 | COLB COLUMBIA BANKING SYSTEM, INC. | OGNALL ANDREW H | EVP Chief Risk Officer | Grant | $133.9K |
| Feb 4 | COLB COLUMBIA BANKING SYSTEM, INC. | Nixon Torran B | Senior Executive VP | Grant | $411.0K |
50 filings+