Devine David Moore Columbia Banking System, Inc. (COLB) insider trading activity

Devine David Moore is Chief Marketing Officer of COLUMBIA BANKING SYSTEM, INC.. Currently has a direct ownership of 23,025 shares of COLB, which is worth approximately $569,178. The most recent transaction as insider was on Feb 28, 2025, when has been sold 839 shares (Common Stock) at a price of $26.73 per share, resulting in proceeds of $22,426. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 23K

8.71% 3M change

8.71% 12M change

Total Value Held $569,178

Devine David Moore Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Feb 28 2025	SELL Payment of exercise price or tax liability	$22,426 $26.73 p/Share	839 Reduced 3.52%	23,025 Common Stock
Feb 14 2025	SELL Payment of exercise price or tax liability	$24,888 $27.41 p/Share	908 Reduced 3.67%	23,864 Common Stock
Feb 14 2025	BUY Grant, award, or other acquisition	$27,135 $27.41 p/Share	990 Added 3.84%	24,772 Common Stock
Jan 01 2025	SELL Payment of exercise price or tax liability	$38,921 $27.01 p/Share	1,441 Reduced 5.71%	23,782 Common Stock
Mar 01 2024	BUY Grant, award, or other acquisition	$112,491 $17.87 p/Share	6,295 Added 19.97%	25,223 Common Stock
Feb 15 2024	SELL Payment of exercise price or tax liability	$23,895 $19.01 p/Share	1,257 Reduced 6.23%	18,928 Common Stock
Feb 15 2024	BUY Grant, award, or other acquisition	$31,499 $19.01 p/Share	1,657 Added 7.69%	19,879 Common Stock
Jan 01 2024	SELL Payment of exercise price or tax liability	$24,705 $26.68 p/Share	926 Reduced 4.76%	18,528 Common Stock
Mar 27 2023	SELL Payment of exercise price or tax liability	$2,746 $20.81 p/Share	132 Reduced 0.67%	19,454 Common Stock
Feb 28 2023	BUY Grant, award, or other acquisition	-	5,158 Added 20.85%	19,586 Common
Feb 21 2023	SELL Payment of exercise price or tax liability	$11,907 $30.77 p/Share	387 Reduced 3.89%	9,552 Common
Feb 21 2023	BUY Grant, award, or other acquisition	-	6,196 Added 30.05%	14,426 Common
Feb 15 2023	SELL Payment of exercise price or tax liability	$23,684 $32.05 p/Share	739 Reduced 7.9%	8,617 Common
Feb 15 2023	BUY Grant, award, or other acquisition	$78,202 $32.05 p/Share	2,440 Added 21.48%	8,917 Common
Mar 27 2022	SELL Payment of exercise price or tax liability	$2,726 $34.07 p/Share	80 Reduced 1.14%	6,916 Common
Mar 07 2022	SELL Payment of exercise price or tax liability	$5,464 $32.72 p/Share	167 Reduced 2.33%	6,996 Common
Mar 07 2022	BUY Grant, award, or other acquisition	$21,824 $32.72 p/Share	667 Added 8.52%	7,163 Common
Feb 28 2022	SELL Payment of exercise price or tax liability	$13,810 $36.63 p/Share	377 Reduced 5.49%	6,496 Common
Feb 15 2022	BUY Grant, award, or other acquisition	$37,191 $36.75 p/Share	1,012 Added 12.83%	6,873 Common
Mar 27 2021	SELL Payment of exercise price or tax liability	$2,391 $45.11 p/Share	53 Reduced 0.9%	5,861 Common
Feb 26 2021	SELL Payment of exercise price or tax liability	$9,478 $44.29 p/Share	214 Reduced 3.49%	5,914 Common
Feb 22 2021	SELL Payment of exercise price or tax liability	$13,228 $45.93 p/Share	288 Reduced 4.49%	6,128 Common
Feb 15 2021	BUY Grant, award, or other acquisition	$24,303 $43.09 p/Share	564 Added 8.08%	6,416 Common

DDM

Devine David Moore

Chief Marketing Officer

Tacoma, WA

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