Stocks
COLB Columbia Banking System, Inc.

COLB

Columbia Banking System, Inc.

Company with tickers: COLB

CIK

887343

CUSIP

197236102

Shares Outstanding

289,490,366

13F Activity (30d)

381 filings 357 filers

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-14	Finkelstein Mark A	Director	Award	3,949	—	—	35,554
2026-05-14	Lund Randal Lee	Director	Award	3,949	—	—	27,663
2026-05-14	Varnado Anddria	Director	Award	3,949	—	—	30,894
2026-05-14	MITCHELL M CHRISTIAN	Director	Award	3,949	—	—	41,909
2026-05-14	MACHUCA LUIS	Director	Award	3,949	—	—	29,953
2026-05-14	SEATON ELIZABETH WHITEHEAD	Director	Award	3,949	—	—	3,949
2026-05-14	Lund Randal Lee	Director	Other	1,000	—	—	1,000
2026-05-14	STUDENMUND JAYNIE M	Director	Award	3,949	—	—	21,807
2026-05-14	SEATON ELIZABETH WHITEHEAD	Director	Other	32,566	—	—	32,566
2026-05-14	Terry Hilliard C. III	Director	Award	3,949	—	—	55,514
2026-05-14	SCHULTZ JOHN F	EVP, COLO	Award	3,949	—	—	50,384
2026-05-14	Forrest Eric	Director	Award	3,949	—	—	36,351
2026-05-14	STUDENMUND JAYNIE M	Director	Other	3,843	—	—	3,843
2026-04-15	Lakely Brock	EVP, Chief Accounting Officer	Tax	396	$29.10	$11,524	10,708
2026-03-16	MACHUCA LUIS	Director	Award	659	$26.83	$17,681	48,403
2026-03-13	Moore Devine David	EVP Chief Marketing Officer	Tax	376	$26.23	$9,862	22,508
2026-03-13	Stein Clint	Director, Chair, CEO, President	Convert	18,171	$26.23	$476,625	158,735
2026-03-13	Deer Aaron James	EVP Chief Strategy/Innov Offcr	Convert	1,567	$26.23	$41,102	42,492
2026-03-13	OGNALL ANDREW H	EVP Chief Risk Officer	Convert	2,381	$26.23	$62,454	75,083
2026-03-13	Anderson Drew K	EVP Chief Admin Officer	Convert	2,506	$26.23	$65,732	23,184
2026-03-13	BARUFFI KUMI YAMAMOTO	EVP General Counsel, Corp Sec	Convert	2,381	$26.23	$62,454	54,652
2026-03-13	Namdar Frank	EVP Chief Credit Officer	Convert	2,820	—	—	13,640
2026-03-13	Merrywell Christopher	Senior Executive VP	Convert	5,013	$26.23	$131,491	46,040
2026-03-13	Namdar Frank	EVP Chief Credit Officer	Other	4,179	—	—	4,179
2026-03-13	BARUFFI KUMI YAMAMOTO	EVP General Counsel, Corp Sec	Sell	937	$26.23	$24,578	53,715
2026-03-13	Nixon Torran B	Senior Executive VP	Other	3,650	—	—	3,650
2026-03-13	Merrywell Christopher	Senior Executive VP	Tax	1,973	$26.23	$51,752	44,067
2026-03-13	Merrywell Christopher	Senior Executive VP	Convert	5,013	—	—	51,291
2026-03-13	Stein Clint	Director, Chair, CEO, President	Convert	18,171	—	—	166,984
2026-03-13	Nixon Torran B	Senior Executive VP	Convert	5,013	$26.23	$131,491	103,242
2026-03-13	BARUFFI KUMI YAMAMOTO	EVP General Counsel, Corp Sec	Convert	2,381	—	—	13,083
2026-03-13	Lakely Brock	EVP, Chief Accounting Officer	Sell	211	$26.23	$5,535	11,104
2026-03-13	Deer Aaron James	EVP Chief Strategy/Innov Offcr	Convert	1,567	—	—	7,133
2026-03-13	OGNALL ANDREW H	EVP Chief Risk Officer	Tax	951	$26.23	$24,945	74,132
2026-03-13	Namdar Frank	EVP Chief Credit Officer	Convert	2,820	$26.23	$73,969	33,290
2026-03-13	Nixon Torran B	Senior Executive VP	Tax	2,002	$26.23	$52,512	101,240
2026-03-13	OGNALL ANDREW H	EVP Chief Risk Officer	Other	2,635	—	—	2,635
2026-03-13	Moore Devine David	EVP Chief Marketing Officer	Convert	940	—	—	4,679
2026-03-13	OGNALL ANDREW H	EVP Chief Risk Officer	Convert	2,381	—	—	53,026
2026-03-13	Lakely Brock	EVP, Chief Accounting Officer	Convert	846	—	—	9,810
2026-03-13	Stein Clint	Director, Chair, CEO, President	Tax	7,151	$26.23	$187,571	151,584
2026-03-13	Namdar Frank	EVP Chief Credit Officer	Tax	1,367	$26.23	$35,856	31,923
2026-03-13	Anderson Drew K	EVP Chief Admin Officer	Tax	1,215	$26.23	$31,869	21,969
2026-03-13	Deer Aaron James	EVP Chief Strategy/Innov Offcr	Tax	617	$26.23	$16,184	41,875
2026-03-13	Nixon Torran B	Senior Executive VP	Other	1,910	—	—	1,910
2026-03-13	Anderson Drew K	EVP Chief Admin Officer	Convert	2,506	—	—	50,607
2026-03-13	Moore Devine David	EVP Chief Marketing Officer	Convert	940	$26.23	$24,656	22,884
2026-03-13	Lakely Brock	EVP, Chief Accounting Officer	Convert	846	$26.23	$22,191	11,315
2026-03-13	Nixon Torran B	Senior Executive VP	Convert	5,013	—	—	49,052
2026-03-04	Nixon Torran B	Senior Executive VP	Sell	2,240	$28.85	$64,624	98,229

Showing 1–50 of 923 transactions