Insider Trading Summary for Columbia Banking System Inc. (COLB): Three Months

Recent Insider Trades

Last Transaction		Last Three Months
SEC Filing	Transaction	Insider	Sentiment	Company	Holdings Change	Buy Amount	Sell Amount	Buy Price Range	Sell Price Range
30-Jan-24 9:51 PM View:	30-Jan-24 Private Purchase $50.61K	Numata S Mae Fujita Director		Columbia Banking System Inc. - COLB	9% 27.14K to 29.54K	0	0	--	--	Show Txns Hide Txns

07-Feb-24 6:21 PM View:	06-Feb-24 Private Purchase $49.62K	Seaton Betsy Whitehead Director		Columbia Banking System Inc. - COLB	12% 22.32K to 25.0K	0	0	--	--	Show Txns Hide Txns

30-Jan-24 7:40 PM View:	30-Jan-24 Private Purchase $74.96K	Finkelstein Mark A Director		Columbia Banking System Inc. - COLB	18% 20.32K to 23.91K	0	0	--	--	Show Txns Hide Txns

31-Jan-24 9:12 PM View:	30-Jan-24 Private Purchase $44.58K	Eerkes Craig D Director		Columbia Banking System Inc. - COLB	7% 29.02K to 31.16K	0	0	--	--	Show Txns Hide Txns

02-Feb-24 9:22 PM View:	01-Feb-24 Private Purchase $19.29K	Lund Randal Lee Director		Columbia Banking System Inc. - COLB	6% 16.15K to 17.15K	0	0	--	--	Show Txns Hide Txns

30-Jan-24 7:28 PM View:	29-Jan-24 Private Purchase $99.24K	Forrest Eric Director		Columbia Banking System Inc. - COLB	24% 20.09K to 24.84K	0	0	--	--	Show Txns Hide Txns

30-Jan-24 3:12 PM View:	29-Jan-24 Private Purchase $174.56K	Schultz John F Director		Columbia Banking System Inc. - COLB	26% 33.31K to 41.87K	0	0	--	--	Show Txns Hide Txns

01-Feb-24 7:01 PM View:	31-Jan-24 Private Purchase $100.64K	MacHuca Luis Director		Columbia Banking System Inc. - COLB	9% 55.95K to 60.84K	0	0	--	--	Show Txns Hide Txns

12-Mar-24 5:29 PM View:	08-Mar-24 Payment of Exercise ($46.14K)	Burns Sheri Chief Human Resources Officer		Columbia Banking System Inc. - COLB	14% 37.3K to 42.49K	0	0	--	--	Show Txns Hide Txns

12-Mar-24 5:19 PM View:	08-Mar-24 Payment of Exercise ($19.51K)	White Lisa M PAO & Corporate Controller		Columbia Banking System Inc. - COLB	32% 19.06K to 25.2K	0	0	--	--	Show Txns Hide Txns

12-Mar-24 5:37 PM View:	08-Mar-24 Payment of Exercise ($52.77K)	Ognall Andrew H IMO General Counsel		Columbia Banking System Inc. - COLB	5% 77.35K to 81.54K	0	0	--	--	Show Txns Hide Txns

Yesterday 12:40 PM View:	19-Apr-24 Payment of Exercise ($491.17K)	O'Haver Cort L Executive Chairman Director		Columbia Banking System Inc. - COLB	(8%) 457.11K to 421.78K	0	0	--	--	Show Txns Hide Txns

12-Mar-24 5:41 PM View:	08-Mar-24 Payment of Exercise ($128.71K)	Nixon Torran B Senior Executive VP		Columbia Banking System Inc. - COLB	(7%) 132.1K to 123.44K	0	0	--	--	Show Txns Hide Txns

12-Mar-24 5:44 PM View:	08-Mar-24 Payment of Exercise ($24.86K)	Namdar Frank Chief Credit Officer		Columbia Banking System Inc. - COLB	23% 32.99K to 40.72K	0	0	--	--	Show Txns Hide Txns

12-Mar-24 5:33 PM View:	08-Mar-24 Payment of Exercise ($92.30K)	Farnsworth Ron L Chief Financial Officer		Columbia Banking System Inc. - COLB	(4%) 158.93K to 151.81K	0	0	--	--	Show Txns Hide Txns

12-Mar-24 5:23 PM View:	08-Mar-24 Payment of Exercise ($5.81K)	Anderson Drew K Chief Administrative Officer		Columbia Banking System Inc. - COLB	46% 19.13K to 27.87K	0	0	--	--	Show Txns Hide Txns

20-Feb-24 7:06 PM View:	15-Feb-24 Payment of Exercise ($54.90K)	Merrywell Christopher Senior Executive VP		Columbia Banking System Inc. - COLB	11% 45.73K to 50.84K	0	0	--	--	Show Txns Hide Txns

04-Mar-24 8:02 PM View:	01-Mar-24 Grant $112.49K	Moore Devine David Chief Marketing Officer		Columbia Banking System Inc. - COLB	36% 18.53K to 25.22K	0	0	--	--	Show Txns Hide Txns

04-Mar-24 7:39 PM View:	01-Mar-24 Grant $245.00K	Baruffi Kumi Yamamoto General Counsel, Corporate Sec		Columbia Banking System Inc. - COLB	36% 42.59K to 57.98K	0	0	--	--	Show Txns Hide Txns

04-Mar-24 7:31 PM View:	01-Mar-24 Grant $174.98K	Dow Lisa Chief Risk Officer		Columbia Banking System Inc. - COLB	36% 27.9K to 37.8K	0	0	--	--	Show Txns Hide Txns

04-Mar-24 7:53 PM View:	01-Mar-24 Grant $124.98K	Deer Aaron James Chief Strategy/Innovation Offc		Columbia Banking System Inc. - COLB	28% 34.85K to 44.58K	0	0	--	--	Show Txns Hide Txns

20-Feb-24 7:15 PM View:	15-Feb-24 Payment of Exercise ($129.53K)	Stein Clint President, CEO Director		Columbia Banking System Inc. - COLB	6% 156.18K to 166.21K	0	0	--	--	Show Txns Hide Txns

Columbia Banking System Inc. (COLB)

Last Three Months

25-Jan-24 -- 24-Apr-24

Company Sentiment

Savings & Loans

Banking

Two Year Chart

25-Apr-22 -- 24-Apr-24

Price ($)

Sentiment

Buy & Sell Volume ($)

Recent Insider Trades

Buy:	0	--
Sell:	0	--