Clint Stein

CIK: 0001550429

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (4.5%)

Derivative conversions

Awards (A)7 (31.8%)

Compensation grants

Other (G, F, J, C, D, …)14 (63.6%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

COLB

COLUMBIA BANKING SYSTEM, INC.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (22 total)

COLB
COLUMBIA BANKING SYSTEM, INC.
Mar 13, 2026
Tax Payment(F)
Direct
7.2K shares at avg. $26.23$188K
COLB
COLUMBIA BANKING SYSTEM, INC.
Mar 13, 2026
Exercise(M)
Direct
18.2K shares at avg. $26.23$477K
COLB
COLUMBIA BANKING SYSTEM, INC.
Mar 1, 2026
Tax Payment(F)
Direct
9.8K shares at avg. $28.45$278K
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 18, 2026
Award(A)
Restricted Stock Unit
Direct
56K shares at avg. $31.24-
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 15, 2026
Tax Payment(F)
Direct
3.9K shares at avg. $31.49$124K
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 2, 2026
Award(A)
Direct
28.9K shares at avg. $29.69$859K
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 2, 2026
Tax Payment(F)
Direct
11.4K shares at avg. $29.69$338K
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 2, 2026
Award(A)
Direct
22K shares at avg. $29.69$653K
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 2, 2026
Tax Payment(F)
Direct
8.7K shares at avg. $29.69$257K
COLB
COLUMBIA BANKING SYSTEM, INC.
Jan 20, 2026
Tax Payment(F)
Direct
7.6K shares at avg. $28.35$216K
COLB
COLUMBIA BANKING SYSTEM, INC.
Jan 20, 2026
Tax Payment(F)
Direct
5.6K shares at avg. $28.35$160K
COLB
COLUMBIA BANKING SYSTEM, INC.
Jan 20, 2026
Disposition(D)
Direct
2.7K shares-
COLB
COLUMBIA BANKING SYSTEM, INC.
Jan 20, 2026
Disposition(D)
Direct
3.6K shares-
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 28, 2025
Tax Payment(F)
Direct
9.8K shares at avg. $26.73$262K
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 25, 2025
Award(A)
Performance Restricted Stock Unit
Direct
40.9K shares at avg. $26.60-
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 25, 2025
Award(A)
Restricted Stock Unit
Direct
54.5K shares at avg. $26.60-
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 25, 2025
Award(A)
Performance Restricted Stock Unit
Direct
40.9K shares at avg. $26.60-
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 14, 2025
Tax Payment(F)
Direct
3.9K shares at avg. $27.41$108K
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 14, 2025
Award(A)
Direct
4.8K shares at avg. $27.41$130K
COLB
COLUMBIA BANKING SYSTEM, INC.
Feb 14, 2025
Tax Payment(F)
Direct
1.9K shares at avg. $27.41$51K
COLB
COLUMBIA BANKING SYSTEM, INC.
Jan 1, 2025
Tax Payment(F)
Direct
6.1K shares at avg. $27.01$164K
COLB
COLUMBIA BANKING SYSTEM, INC.
Jan 1, 2025
Tax Payment(F)
Direct
6.4K shares at avg. $27.01$172K

		Type	Shares	Price		Ownership
Mar 13, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	7,151	$26.23	$187,571	Direct
Mar 13, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Exercise(M)	18,171	$26.23	$476,625	Direct
Mar 1, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	9,789	$28.45	$278,497	Direct
Feb 18, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A) Restricted Stock Unit	56,017	$31.24	-	Direct
Feb 15, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	3,922	$31.49	$123,504	Direct
Feb 2, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A)	28,927	$29.69	$858,843	Direct
Feb 2, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	11,383	$29.69	$337,961	Direct
Feb 2, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A)	21,988	$29.69	$652,824	Direct
Feb 2, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	8,653	$29.69	$256,908	Direct
Jan 20, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	7,615	$28.35	$215,885	Direct
Jan 20, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	5,635	$28.35	$159,752	Direct
Jan 20, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Disposition(D)	2,727	-	$0	Direct
Jan 20, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Disposition(D)	3,588	-	$0	Direct
Feb 28, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	9,789	$26.73	$261,660	Direct
Feb 25, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A) Performance Restricted Stock Unit	40,883	$26.60	-	Direct
Feb 25, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A) Restricted Stock Unit	54,511	$26.60	-	Direct
Feb 25, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A) Performance Restricted Stock Unit	40,883	$26.60	-	Direct
Feb 14, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	3,922	$27.41	$107,502	Direct
Feb 14, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A)	4,759	$27.41	$130,444	Direct
Feb 14, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	1,873	$27.41	$51,339	Direct
Jan 1, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	6,063	$27.01	$163,762	Direct
Jan 1, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Tax Payment(F)	6,365	$27.01	$171,919	Direct

1-22 of 22 transactions

About Stein Clint

Stein Clint (SEC CIK 0001550429) files insider reports with the SEC as Chair, President, CEO of COLUMBIA BANKING SYSTEM, INC. (COLB).

Signal8 holds 10 ownership filings by Stein Clint, all Form 4s, filed between Jan 3, 2025 and Mar 17, 2026. Those filings report 22 transactions, from Jan 1, 2025 to Mar 13, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Stein Clint's filings is in TACOMA, WA.

Recent filings by Stein Clint

Mar 13, 2026: Tax withholding of COLB shares (Form 4, code F).
Mar 13, 2026: Option exercise of COLB shares (Form 4, code M).
Mar 1, 2026: Tax withholding of COLB shares (Form 4, code F).
Feb 18, 2026: Grant or award of COLB derivative securities (Form 4, code A).
Feb 15, 2026: Tax withholding of COLB shares (Form 4, code F).

Other insiders filing for COLUMBIA BANKING SYSTEM, INC. (COLB)

GARDNER STEVEN R, Director
MACHUCA LUIS, Director
LAGOMARSINO SIMONE, Director
Giem Judi, EVP CHRO
Deer Aaron James, EVP Chief Strategy/Innov Offcr
Moore Devine David, EVP Chief Marketing Officer

How to read Form 4 transaction codes