Insider Transactions

What COLUMBIA BANKING SYSTEM, INC.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	1	1
Sells	2	5
Total trades	6	97

Shares traded

	3 months	12 months
Acquired	5,949	183,316
Disposed	4,515	158,043
Net activity	+1,434	+25,273

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View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Lagomarsino Simone	Director	Sep 02	Grant / award · A	+2,670	—	—	2,670
Giem Judi	EVP CHRO	Aug 14	Withheld — tax / exercise cost · F	−643	$32.69	−$21K	1,750
Giem Judi	EVP CHRO	Aug 14	Exercise / conversion · M	+2,393	$32.69	+$78.2K	2,393
Deer Aaron James	EVP Chief Strategy/Innov Offcr	Jun 30	Open-market buy · P	+886	$25.37	+$22.5K	42,761
Moore Devine David	EVP Chief Marketing Officer	Jun 08	Open-market sale · S	−3,812	$29.78	−$114K	18,636
Moore Devine David	EVP Chief Marketing Officer	Jun 08	Open-market sale · S	−60	$29.77	−$1.79K	22,448
Finkelstein Mark A	Director	May 14	Grant / award · A	+3,949	—	—	35,554
Schultz John F	Director	May 14	Grant / award · A	+3,949	—	—	50,384
Varnado Anddria	Director	May 14	Grant / award · A	+3,949	—	—	30,894
Forrest Eric	Director	May 14	Grant / award · A	+3,949	—	—	36,351
Seaton Betsy Whitehead	Director	May 14	Grant / award · A	+3,949	—	—	3,949
Lund Randal Lee	Director	May 14	Grant / award · A	+3,949	—	—	27,663
Studenmund Jaynie M	Director	May 14	Grant / award · A	+3,949	—	—	21,807
Machuca Luis	Director	May 14	Grant / award · A	+3,949	—	—	29,953
Mitchell M Christian	Director	May 14	Grant / award · A	+3,949	—	—	41,909
Terry Hilliard C. Iii	Director	May 14	Grant / award · A	+3,949	—	—	55,514
Lakely Brock	EVP, Chief Accounting Officer	Apr 15	Withheld — tax / exercise cost · F	−396	$29.10	−$11.5K	10,708
Ognall Andrew H	EVP Chief Risk Officer	Mar 13	Withheld — tax / exercise cost · F	−951	$26.23	−$24.9K	74,132
Ognall Andrew H	EVP Chief Risk Officer	Mar 13	Exercise / conversion · M	+2,381	$26.23	+$62.5K	75,083
Baruffi Kumi Yamamoto	EVP General Counsel, Corp Sec	Mar 13	Withheld — tax / exercise cost · F	−937	$26.23	−$24.6K	53,715

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