Lisa M White Columbia Banking System, Inc. (COLB) insider trading activity

Lisa M White is PAO & Corporate Controller of COLUMBIA BANKING SYSTEM, INC.. Currently has a direct ownership of 29,045 shares of COLB, which is worth approximately $717,992. The most recent transaction as insider was on Feb 28, 2025, when has been sold 2,119 shares (Common Stock) at a price of $26.73 per share, resulting in proceeds of $56,640. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 29K

15.24% 3M change

15.24% 12M change

Total Value Held $717,992

Lisa M White Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Feb 28 2025	SELL Payment of exercise price or tax liability	$56,640 $26.73 p/Share	2,119 Reduced 6.8%	29,045 Common Stock
Feb 25 2025	BUY Grant, award, or other acquisition	$174,974 $26.6 p/Share	6,578 Added 17.43%	31,164 Common Stock
Feb 14 2025	SELL Payment of exercise price or tax liability	$16,966 $27.41 p/Share	619 Reduced 2.46%	24,586 Common Stock
Mar 08 2024	SELL Payment of exercise price or tax liability	$19,510 $19.51 p/Share	1,000 Reduced 3.82%	25,205 Common Stock
Mar 01 2024	BUY Grant, award, or other acquisition	$149,982 $17.87 p/Share	8,393 Added 24.26%	26,205 Common Stock
Feb 28 2024	SELL Payment of exercise price or tax liability	$11,224 $17.76 p/Share	632 Reduced 3.43%	17,812 Common Stock
Feb 15 2024	SELL Payment of exercise price or tax liability	$11,786 $19.01 p/Share	620 Reduced 3.25%	18,444 Common Stock
Jan 01 2024	SELL Payment of exercise price or tax liability	$14,940 $26.68 p/Share	560 Reduced 2.85%	19,064 Common Stock
Mar 08 2023	SELL Payment of exercise price or tax liability	$6,101 $27.36 p/Share	223 Reduced 1.19%	18,595 Common Stock
Mar 02 2023	SELL Payment of exercise price or tax liability	$33,866 $29.07 p/Share	1,165 Reduced 5.83%	18,818 Common Stock
Mar 02 2023	BUY Grant, award, or other acquisition	-	1,159 Added 5.48%	19,983 Common Stock

Also insider at

UMPQ

UMPQUA HOLDINGS CORP Financial Services

SVP/Principal Accting Officer

LMW

Lisa M White

PAO & Corporate Controller

Portland, OR

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