COLB - Columbia Banking System, Inc. - Insider Stock Trading

Filing Date	T Date	Ticker	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
3/17/26 20:48	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Stein Clint	WA	DO	Chair,CE	M.d	477	26.23	18	14	152	D
3/17/26 20:45	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Ognall Andrew H	WA	O	EVP Chie	M.d	62	26.23	2	3	77	D
3/17/26 20:43	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Nixon Torran B	WA	O	Senior E	M.d	131	26.23	5	5	107	D
3/17/26 20:39	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Namdar Frank	WA	O	EVP Chie	M.d	74	26.23	3	8	36	D
3/17/26 20:35	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Moore Devine David	WA	O	EVP CMO	M.d	25	26.23	1	4	23	D
3/17/26 20:33	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Merrywell Christopher	WA	O	Senior E	M.d	131	26.23	5	13	44	D
3/17/26 20:31	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Lakely Brock	WA	O	EVP,Chie	M.d	22	26.23	1	8	11	D
3/17/26 20:31	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Lakely Brock	WA	O	EVP,Chie	S.d	-6	26.23	0	-2	11	D
3/17/26 20:27	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Deer Aaron James	WA	O	EVP Chie	M.d	41	26.23	2	4	42	D
3/17/26 20:26	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Baruffi Kumi Yamamoto	WA	O	EVP GC,C	M.d	62	26.23	2	5	54	D
3/17/26 20:26	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Baruffi Kumi Yamamoto	WA	O	EVP GC,C	S.d	-25	26.23	-1	-2	54	D
3/17/26 20:24	3/13/26	COLB	Financ	StBnk	State Commercial Banks	Anderson Drew K	WA	O	EVP Chie	M.d	66	26.23	3	13	22	D
3/5/26 16:27	3/3/26	COLB	Financ	StBnk	State Commercial Banks	Nixon Torran B	WA	O	Senior E	S.m	-128	28.55	-4	-4	104	D
2/3/26 17:13	1/30/26	COLB	Financ	StBnk	State Commercial Banks	Gardner Steven R	WA	D		S	-404	29.43	-14	-2	570	I
3/5/25 18:10	3/4/25	COLB	Financ	StBnk	State Commercial Banks	Nixon Torran B	WA	O	Senior E	S	-116	25.99	-4	-4	110	D
2/7/24 18:21	2/6/24	COLB	Financ	StBnk	State Commercial Banks	Seaton Elizabeth Whitehead	WA	D		P	50	18.48	3	12	25	D
2/2/24 21:22	2/1/24	COLB	Financ	StBnk	State Commercial Banks	Lund Randal Lee	WA	D		P	19	19.29	1	6	17	D
2/1/24 19:01	1/31/24	COLB	Financ	StBnk	State Commercial Banks	Machuca Luis	WA	D		P	101	20.58	5	9	61	D
2/1/24 15:30	2/1/24	COLB	Financ	StBnk	State Commercial Banks	Deer Aaron James	WA	O	Chief St	P	39	19.32	2	6	37	D
2/1/24 15:25	1/31/24	COLB	Financ	StBnk	State Commercial Banks	Nixon Torran B	WA	O	Senior E	P	75	20.49	4	3	136	D
1/31/24 21:12	1/30/24	COLB	Financ	StBnk	State Commercial Banks	Eerkes Craig D	WA	D		P	45	20.82	2	7	31	D
1/31/24 13:20	1/30/24	COLB	Financ	StBnk	State Commercial Banks	Merrywell Christopher	WA	O	Senior E	P	105	21.09	5	11	51	D
1/30/24 21:58	1/30/24	COLB	Financ	StBnk	State Commercial Banks	Stein Clint	WA	DO	P,CEO	P	199	20.96	10	6	166	D
1/30/24 21:51	1/30/24	COLB	Financ	StBnk	State Commercial Banks	Numata S Mae Fujita	WA	D		P	51	21.09	2	9	30	D
1/30/24 19:40	1/30/24	COLB	Financ	StBnk	State Commercial Banks	Finkelstein Mark A	WA	D		P	75	20.87	4	18	24	D
1/30/24 19:28	1/29/24	COLB	Financ	StBnk	State Commercial Banks	Forrest Eric	WA	D		P	99	20.89	5	24	25	D
1/30/24 15:31	1/29/24	COLB	Financ	StBnk	State Commercial Banks	Farnsworth Ron L	WA	O	CFO	P	52	20.71	3	2	161	D
1/30/24 15:12	1/29/24	COLB	Financ	StBnk	State Commercial Banks	Schultz John F	WA	D		P	175	20.40	9	26	42	D

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person

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