Mark A Finkelstein

Insider

First SEC filing: Sept. 5, 2014 · Latest: May 16, 2025

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 12 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

12 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 15, 2025	COLB	A	3,382	—	—	31,605 Direct	+11.98%	Acquired	(price as of 2026-08-20)
May 10, 2024	COLB	A	4,183	—	—	28,223 Direct	+17.40%	Acquired	(price as of 2026-08-20)
Jan. 30, 2024	COLB	P	3,592	$20.87	$74,965	23,908 Direct	+17.68%	Acquired	48.0% (price as of 2026-08-20)
May 18, 2023	COLB	A	4,028	—	—	20,316 Direct	+24.73%	Acquired	(price as of 2026-08-20)
March 2, 2023	COLB	A	648	—	—	16,288 Direct	+4.14%	Acquired	(price as of 2026-08-20)
Feb. 21, 2023	COLB	A	1,738	—	—	15,640 Direct	+12.50%	Acquired	(price as of 2026-08-20)
May 26, 2021	COLB	A	1,669	—	—	13,902 Direct	+13.64%	Acquired	(price as of 2026-08-20)
May 27, 2020	COLB	A	2,640	—	—	12,233 Direct	+27.52%	Acquired	(price as of 2026-08-20)
July 24, 2019	COLB	A	1,902	$36.80	$69,994	9,593 Direct	+24.73%	Acquired	-16.1% (price as of 2026-08-20)
June 28, 2018	COLB	A	1,691	—	—	7,691 Direct	+28.18%	Acquired	(price as of 2026-08-20)
June 28, 2017	COLB	A	2,000	—	—	6,000 Direct	+50.00%	Acquired	(price as of 2026-08-20)
June 22, 2016	COLB	A	2,000	—	—	4,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
June 24, 2015	COLB	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Sept. 5, 2014	COLB	Common	0	Direct