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
14-May-24 5:55 PM View:	10-May-24 Grant 0	Numata S Mae Fujita Director		Columbia Banking System Inc. - COLB	14% 29.55K to 33.73K	0	0	--	--	Show Txns Hide Txns

14-May-24 6:07 PM View:	10-May-24 Grant 0	Seaton Betsy Whitehead Director		Columbia Banking System Inc. - COLB	17% 25.0K to 29.18K	0	0	--	--	Show Txns Hide Txns

14-May-24 5:09 PM View:	10-May-24 Grant 0	Finkelstein Mark A Director		Columbia Banking System Inc. - COLB	17% 24.04K to 28.22K	0	0	--	--	Show Txns Hide Txns

14-May-24 5:03 PM View:	10-May-24 Grant 0	Eerkes Craig D Director		Columbia Banking System Inc. - COLB	13% 31.16K to 35.35K	0	0	--	--	Show Txns Hide Txns

14-May-24 5:30 PM View:	10-May-24 Grant 0	Lund Randal Lee Director		Columbia Banking System Inc. - COLB	24% 17.15K to 21.33K	0	0	--	--	Show Txns Hide Txns

14-May-24 5:16 PM View:	10-May-24 Grant 0	Forrest Eric Director		Columbia Banking System Inc. - COLB	17% 24.84K to 29.02K	0	0	--	--	Show Txns Hide Txns

14-May-24 6:12 PM View:	10-May-24 Grant 0	Varnado Anddria Director		Columbia Banking System Inc. - COLB	22% 19.38K to 23.56K	0	0	--	--	Show Txns Hide Txns

14-May-24 5:59 PM View:	10-May-24 Grant 0	Pope Maria M Director		Columbia Banking System Inc. - COLB	10% 42.09K to 46.28K	0	0	--	--	Show Txns Hide Txns

14-May-24 6:04 PM View:	10-May-24 Grant 0	Schultz John F Director		Columbia Banking System Inc. - COLB	10% 41.87K to 46.05K	0	0	--	--	Show Txns Hide Txns

14-May-24 6:10 PM View:	10-May-24 Grant 0	Terry Hilliard C. III Director		Columbia Banking System Inc. - COLB	10% 44.0K to 48.18K	0	0	--	--	Show Txns Hide Txns

14-May-24 5:40 PM View:	10-May-24 Grant 0	MacHuca Luis Director		Columbia Banking System Inc. - COLB	23% 18.44K to 22.62K	0	0	--	--	Show Txns Hide Txns

14-May-24 5:26 PM View:	10-May-24 Grant 0	Fowler Peggy Y Director		Columbia Banking System Inc. - COLB	6% 71.24K to 75.42K	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	18% 36.04K 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	37% 18.44K 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	7% 76.08K to 81.54K	0	0	--	--	Show Txns Hide Txns

23-Apr-24 12:40 PM View:	19-Apr-24 Payment of Exercise ($491.17K)	O'Haver Cort L Executive Chairman Director		Columbia Banking System Inc. - COLB	(1%) 423.95K 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	(8%) 134.09K 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	28% 31.71K 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	(5%) 159.46K 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	53% 18.24K to 27.87K	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	33% 18.93K 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	31% 44.27K 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	35% 28.01K 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	19% 37.59K to 44.58K	0	0	--	--	Show Txns Hide Txns

Columbia Banking System Inc. (COLB)

Last Three Months

18-Feb-24 -- 17-May-24

Company Sentiment

Savings & Loans

Banking

Two Year Chart

18-May-22 -- 17-May-24

Price ($)

Sentiment

Buy & Sell Volume ($)

Recent Insider Trades

Buy:	0	--
Sell:	0	--