COLBCOLUMBIA BANKING SYSTEM, INC.

Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-07-02.

Set an alert for COLB
Insider buys (90d)
$22.5K
Insider sells (90d)
$115.3K
Net flow
$-92.8K
Filings
12
Buy transactions
1
Sell transactions
2
Distinct insiders
12
Last close (cached)
$33.24
as of 2026-07-17
1d return
-1.1%
5d return
+3.7%
1m return
+7.6%

Top insiders trading COLB (90d)

Recent transactions (13)

FiledTxn dateInsiderCodeSharesPriceValueFiling
2026-07-022026-06-30Deer Aaron James
Officer
Buy886$25.37$22.5Kopen →
2026-06-102026-06-08Moore Devine David
Officer
Sale3,812$29.77$113.5Kopen →
2026-06-102026-06-08Moore Devine David
Officer
Sale60$29.77$1.8Kopen →
2026-05-182026-05-14Terry Hilliard C. III
Director
Grant3,949$0.00$0.00open →
2026-05-182026-05-14Varnado Anddria
Director
Grant3,949$0.00$0.00open →
2026-05-182026-05-14SEATON ELIZABETH WHITEHEAD
Director
Grant3,949$0.00$0.00open →
2026-05-182026-05-14STUDENMUND JAYNIE M
Director
Grant3,949$0.00$0.00open →
2026-05-182026-05-14SCHULTZ JOHN F
Director
Grant3,949$0.00$0.00open →
2026-05-182026-05-14Lund Randal Lee
Director
Grant3,949$0.00$0.00open →
2026-05-182026-05-14MITCHELL M CHRISTIAN
Director
Grant3,949$0.00$0.00open →
2026-05-182026-05-14MACHUCA LUIS
Director
Grant3,949$0.00$0.00open →
2026-05-182026-05-14Forrest Eric
Director
Grant3,949$0.00$0.00open →
2026-05-182026-05-14Finkelstein Mark A
Director
Grant3,949$0.00$0.00open →

Other tickers these insiders trade

Want an email the moment a new insider transaction is filed on COLB? Set up an alert → Watch4Insider delivers SEC Form 4 alerts with a sub-60s p95 SLA.

COLB Insider Trading & Form 4 Activity · Watch4Insider