Steven R. Gardner

CIK: 0001267342

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)8 (40.0%)

Position reduction

Option Exercises (M)4 (20.0%)

Derivative conversions

Awards (A)4 (20.0%)

Compensation grants

Other (G, F, J, C, D, …)4 (20.0%)

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

Companies & Roles (2)

COLB

COLUMBIA BANKING SYSTEM, INC.

Director

PPBI

PACIFIC PREMIER BANCORP INC

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (20 total)

COLB
COLUMBIA BANKING SYSTEM, INC.
Oct 29, 2026
Sale(S)
Direct
5K shares at avg. $31.23$156K
COLB
COLUMBIA BANKING SYSTEM, INC.
Oct 29, 2026
Sale(S)
Direct
484 shares at avg. $31.21$15K
COLB
COLUMBIA BANKING SYSTEM, INC.
Oct 29, 2026
Sale(S)
Direct
200 shares at avg. $31.23$6K
COLB
COLUMBIA BANKING SYSTEM, INC.
Oct 29, 2026
Sale(S)
Direct
100 shares at avg. $31.22$3K
COLB
COLUMBIA BANKING SYSTEM, INC.
Oct 29, 2026
Sale(S)
Direct
2.3K shares at avg. $31.25$70K
COLB
COLUMBIA BANKING SYSTEM, INC.
Oct 29, 2026
Sale(S)
Direct
322 shares at avg. $31.24$10K
COLB
COLUMBIA BANKING SYSTEM, INC.
Oct 29, 2026
Sale(S)
Direct
2.2K shares at avg. $31.23$67K
COLB
COLUMBIA BANKING SYSTEM, INC.
Sep 4, 2026
Award(A)
Direct
2.6K shares-
COLB
COLUMBIA BANKING SYSTEM, INC.
Jan 30, 2026
Sale(S)
Indirect
13.7K shares at avg. $29.43$404K
COLB
COLUMBIA BANKING SYSTEM, INC.
Aug 31, 2025
Award(A)
Direct
245.9K shares-
COLB
COLUMBIA BANKING SYSTEM, INC.
Aug 31, 2025
Award(A)
Indirect
338.2K shares-
PPBI
PACIFIC PREMIER BANCORP INC
Aug 31, 2025
Disposition(D)
Indirect
369.6K shares-
PPBI
PACIFIC PREMIER BANCORP INC
Aug 31, 2025
Disposition(D)
Direct
268.7K shares-
PPBI
PACIFIC PREMIER BANCORP INC
Aug 25, 2025
Exercise(M)
Direct
201.5K shares-
PPBI
PACIFIC PREMIER BANCORP INC
Aug 25, 2025
Tax Payment(F)
Direct
156.5K shares at avg. $24.30$3.8M
PPBI
PACIFIC PREMIER BANCORP INC
Aug 25, 2025
Exercise(M)
Direct
17.6K shares-
PPBI
PACIFIC PREMIER BANCORP INC
Mar 15, 2025
Exercise(M)
Direct
2.4K shares-
PPBI
PACIFIC PREMIER BANCORP INC
Mar 15, 2025
Tax Payment(F)
Direct
35.8K shares at avg. $22.36$800K
PPBI
PACIFIC PREMIER BANCORP INC
Mar 15, 2025
Award(A)
Direct
70.4K shares-
PPBI
PACIFIC PREMIER BANCORP INC
Mar 15, 2025
Exercise(M)
Direct
15.5K shares-

		Type	Shares	Price		Ownership
Oct 29, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Sale(S)	5,012	$31.23	$156,500	Direct
Oct 29, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Sale(S)	484	$31.21	$15,108	Direct
Oct 29, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Sale(S)	200	$31.23	$6,246	Direct
Oct 29, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Sale(S)	100	$31.22	$3,122	Direct
Oct 29, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Sale(S)	2,253	$31.25	$70,395	Direct
Oct 29, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Sale(S)	322	$31.24	$10,059	Direct
Oct 29, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Sale(S)	2,151	$31.23	$67,186	Direct
Sep 4, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A)	2,577	-	$0	Direct
Jan 30, 2026	COLB COLUMBIA BANKING SYSTEM, INC.	Sale(S)	13,725	$29.43	$403,927	Indirect
Aug 31, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A)	245,875	-	-	Direct
Aug 31, 2025	COLB COLUMBIA BANKING SYSTEM, INC.	Award(A)	338,221	-	-	Indirect
Aug 31, 2025	PPBI PACIFIC PREMIER BANCORP INC	Disposition(D)	369,641	-	-	Indirect
Aug 31, 2025	PPBI PACIFIC PREMIER BANCORP INC	Disposition(D)	268,716	-	-	Direct
Aug 25, 2025	PPBI PACIFIC PREMIER BANCORP INC	Exercise(M)	201,505	-	-	Direct
Aug 25, 2025	PPBI PACIFIC PREMIER BANCORP INC	Tax Payment(F)	156,463	$24.30	$3,802,051	Direct
Aug 25, 2025	PPBI PACIFIC PREMIER BANCORP INC	Exercise(M)	17,564	-	-	Direct
Mar 15, 2025	PPBI PACIFIC PREMIER BANCORP INC	Exercise(M)	2,374	-	-	Direct
Mar 15, 2025	PPBI PACIFIC PREMIER BANCORP INC	Tax Payment(F)	35,784	$22.36	$800,130	Direct
Mar 15, 2025	PPBI PACIFIC PREMIER BANCORP INC	Award(A)	70,438	-	-	Direct
Mar 15, 2025	PPBI PACIFIC PREMIER BANCORP INC	Exercise(M)	15,526	-	-	Direct

1-20 of 20 transactions

About GARDNER STEVEN R

GARDNER STEVEN R (SEC CIK 0001267342) files insider reports with the SEC as Director of COLUMBIA BANKING SYSTEM, INC. (COLB) and Chairman, President & CEO of PACIFIC PREMIER BANCORP INC (PPBI).

Signal8 holds 8 ownership filings by GARDNER STEVEN R (1 Form 3, 7 Form 4), filed between Mar 18, 2025 and Oct 30, 2026. Those filings report 20 transactions, from Mar 15, 2025 to Oct 29, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on GARDNER STEVEN R's filings is in TACOMA, WA.

Recent filings by GARDNER STEVEN R

Oct 29, 2026: Open-market sales of COLB shares (7 lines, Form 4, code S).
Sep 4, 2026: Grant or award of COLB shares (Form 4, code A).
Jan 30, 2026: Open-market sale of COLB shares (Form 4, code S).
Aug 31, 2025: Grants or awards of COLB shares (2 lines, Form 4, code A).
Aug 31, 2025: Disposition to issuer transactions of PPBI shares (2 lines, Form 4, code D).

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

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
Varnado Anddria, Director

How to read Form 4 transaction codes