Kumi Yamamoto Baruffi Columbia Banking System, Inc. (COLB) insider trading activity

Kumi Yamamoto Baruffi is General Counsel, Corporate Sec of COLUMBIA BANKING SYSTEM, INC.. Currently has a direct ownership of 57,984 shares of COLB, which is worth approximately $1.11 Million. The most recent transaction as insider was on Mar 01, 2024, when has been sold 13,710 shares (Common Stock) at a price of $17.87 per share, resulting in proceeds of $244,997. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 58K

0% 3M change

33.26% 12M change

Total Value Held $1.11 Million

KUMI YAMAMOTO BARUFFI Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Mar 01 2024	BUY Grant, award, or other acquisition	$244,997 $17.87 p/Share	13,710 Added 19.12%	57,984 Common Stock
Feb 15 2024	BUY Grant, award, or other acquisition	$32,031 $19.01 p/Share	1,685 Added 3.67%	44,274 Common Stock
Jan 01 2024	SELL Payment of exercise price or tax liability	$24,598 $26.68 p/Share	922 Reduced 2.12%	42,589 Common Stock
Jun 30 2023	BUY Open market or private purchase	$15,585 $18.25 p/Share	854 Added 1.92%	43,511 Common Stock
Mar 27 2023	SELL Payment of exercise price or tax liability	$10,550 $20.81 p/Share	507 Reduced 1.17%	42,657 Common Stock
Feb 28 2023	BUY Grant, award, or other acquisition	-	5,262 Added 10.87%	43,164 Common
Feb 21 2023	SELL Payment of exercise price or tax liability	$18,738 $30.77 p/Share	609 Reduced 2.28%	26,055 Common

Feb 21 2023	BUY Grant, award, or other acquisition	-	13,302 Added 25.98%	37,901 Common
Feb 15 2023	SELL Payment of exercise price or tax liability	$36,921 $32.05 p/Share	1,152 Reduced 4.37%	25,208 Common
Feb 15 2023	BUY Grant, award, or other acquisition	$81,535 $32.05 p/Share	2,544 Added 9.02%	25,666 Common
Dec 30 2022	BUY Open market or private purchase	$6,226 $26.84 p/Share	232 Added 0.96%	23,816 Common
Jun 30 2022	BUY Open market or private purchase	$11,502 $25.79 p/Share	446 Added 1.86%	23,584 Common
Mar 25 2022	SELL Payment of exercise price or tax liability	$6,405 $34.07 p/Share	188 Reduced 0.81%	23,138 Common
Mar 07 2022	SELL Payment of exercise price or tax liability	$12,597 $32.72 p/Share	385 Reduced 1.62%	23,326 Common
Mar 07 2022	BUY Grant, award, or other acquisition	$52,090 $32.72 p/Share	1,592 Added 6.29%	23,711 Common
Feb 28 2022	SELL Payment of exercise price or tax liability	$10,586 $36.63 p/Share	289 Reduced 1.29%	22,119 Common
Feb 15 2022	BUY Grant, award, or other acquisition	$39,322 $36.75 p/Share	1,070 Added 4.56%	22,408 Common
Jan 04 2022	BUY Open market or private purchase	$5,478 $29.45 p/Share	186 Added 0.86%	21,338 Common
Jul 06 2021	BUY Open market or private purchase	$9,619 $31.64 p/Share	304 Added 1.42%	21,152 Common
Mar 26 2021	SELL Payment of exercise price or tax liability	$5,684 $45.11 p/Share	126 Reduced 0.6%	20,848 Common
Mar 18 2021	SELL Payment of exercise price or tax liability	$20,678 $35.9 p/Share	576 Reduced 2.67%	20,974 Common
Mar 18 2021	BUY Grant, award, or other acquisition	-	2,360 Added 9.87%	21,550 Common
Feb 26 2021	SELL Payment of exercise price or tax liability	$7,131 $44.29 p/Share	161 Reduced 0.83%	19,190 Common
Feb 22 2021	SELL Payment of exercise price or tax liability	$11,712 $45.93 p/Share	255 Reduced 1.3%	19,351 Common
Feb 15 2021	BUY Grant, award, or other acquisition	$26,759 $43.09 p/Share	621 Added 3.07%	19,606 Common

KYB

Kumi Yamamoto Baruffi

General Counsel, Corporate Sec

Tacoma, WA

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