Aaron James Deer Columbia Banking System, Inc. (COLB) insider trading activity

Aaron James Deer is Chief Strategy/Innovation Offc of COLUMBIA BANKING SYSTEM, INC.. Currently has a direct ownership of 42,046 shares of COLB, which is worth approximately $993,967. The most recent transaction as insider was on Feb 28, 2025, when has been sold 918 shares (Common Stock) at a price of $26.73 per share, resulting in proceeds of $24,538. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 42K

1.53% 3M change

5.69% 12M change

Total Value Held $993,967

Aaron James Deer Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Feb 28 2025	SELL Payment of exercise price or tax liability	$24,538 $26.73 p/Share	918 Reduced 2.14%	42,046 Common Stock
Feb 14 2025	SELL Payment of exercise price or tax liability	$28,478 $27.41 p/Share	1,039 Reduced 2.36%	42,964 Common Stock
Feb 14 2025	BUY Grant, award, or other acquisition	$35,742 $27.41 p/Share	1,304 Added 2.88%	44,003 Common Stock
Jan 01 2025	SELL Payment of exercise price or tax liability	$50,886 $27.01 p/Share	1,884 Reduced 4.23%	42,699 Common Stock
Mar 01 2024	BUY Grant, award, or other acquisition	$124,982 $17.87 p/Share	6,994 Added 13.56%	44,583 Common Stock
Feb 15 2024	SELL Payment of exercise price or tax liability	$28,819 $19.01 p/Share	1,516 Reduced 3.88%	37,589 Common Stock
Feb 15 2024	BUY Grant, award, or other acquisition	$42,867 $19.01 p/Share	2,255 Added 5.51%	38,675 Common Stock
Feb 01 2024	BUY Open market or private purchase	$38,640 $19.32 p/Share	2,000 Added 5.15%	36,850 Common Stock
Jan 01 2024	SELL Payment of exercise price or tax liability	$34,523 $26.68 p/Share	1,294 Reduced 3.58%	34,850 Common Stock
Jun 30 2023	BUY Open market or private purchase	$15,585 $18.25 p/Share	854 Added 2.31%	36,144 Common Stock
Feb 28 2023	BUY Grant, award, or other acquisition	-	7,015 Added 16.58%	35,290 Common
Feb 21 2023	BUY Grant, award, or other acquisition	-	8,450 Added 23.01%	28,274 Common
Feb 15 2023	BUY Grant, award, or other acquisition	$116,950 $32.05 p/Share	3,649 Added 15.55%	19,824 Common
Jun 30 2022	BUY Open market or private purchase	$19,291 $25.79 p/Share	748 Added 4.42%	16,175 Common
May 02 2022	BUY Open market or private purchase	$84,000 $28.0 p/Share	3,000 Added 16.28%	15,427 Common
Feb 24 2022	BUY Open market or private purchase	$100,350 $33.45 p/Share	3,000 Added 19.45%	12,427 Common
Feb 15 2022	BUY Grant, award, or other acquisition	$86,179 $36.75 p/Share	2,345 Added 19.92%	9,427 Common
Jul 06 2021	BUY Open market or private purchase	$22,496 $31.64 p/Share	711 Added 9.12%	7,082 Common
Feb 15 2021	BUY Open market or private purchase	$22,496 $24.06 p/Share	935 Added 12.8%	6,371 Common
Feb 15 2021	BUY Grant, award, or other acquisition	$61,877 $43.09 p/Share	1,436 Added 20.9%	5,436 Common

AJD

Aaron James Deer

Chief Strategy/Innovation Offc

Tacoma, WA

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