Insider Buying and Selling - COLB

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
02/06/2024	02/07/2024	Seaton Elizabeth Whitehead Director	Buy	2,685 @ $18.48	$49,618.80	25,001	(12.03%)	Direct
02/01/2024	02/01/2024	Deer Aaron James Chief Strategy/Innovation Offc Officer	Buy	2,000 @ $19.32	$38,648.20	36,850	(5.74%)	Direct
02/01/2024	02/02/2024	Lund Randal Lee Director	Buy	1,000 @ $19.29	$19,287.60	17,149	(6.19%)	Direct
01/31/2024	02/01/2024	Machuca Luis Director	Buy	4,889 @ $20.58	$100,638.11	60,835	(8.74%)	Direct
01/31/2024	02/01/2024	Nixon Torran B Senior Executive VP Officer	Buy	3,650 @ $20.49	$74,801.64	135,750	(2.76%)	Direct
01/30/2024	01/31/2024	Eerkes Craig D Director	Buy	2,141 @ $20.82	$44,579.21	31,163	(7.38%)	Direct
01/30/2024	01/30/2024	Finkelstein Mark A Director	Buy	3,592 @ $20.87	$74,965.04	23,908	(17.68%)	Direct
01/30/2024	01/31/2024	Merrywell Christopher Senior Executive VP Officer	Buy	5,000 @ $21.09	$105,449.50	50,727	(10.93%)	Direct
01/30/2024	01/30/2024	Numata S Mae Fujita Director	Buy	2,400 @ $21.09	$50,608.30	1,225	(-204.26%)	Direct
01/30/2024	01/30/2024	Stein Clint President, CEO CEO Director	Buy	9,500 @ $20.96	$199,112.44	165,684	(6.08%)	Direct
01/29/2024	01/30/2024	Farnsworth Ron L Chief Financial Officer CFO	Buy	2,500 @ $20.71	$51,775.00	160,073	(1.59%)	Direct
01/29/2024	01/30/2024	Forrest Eric Director	Buy	4,750 @ $20.89	$99,244.60	24,838	(23.65%)	Direct
01/29/2024	01/30/2024	Schultz John F Director	Buy	8,559 @ $20.39	$174,560.80	41,870	(25.69%)	Direct

Columbia Banking System, Inc. - COLB