Name: COLB Insider Trading Activity
Creator: Tracefour
License: https://www.usa.gov/government-works
Keywords: COLB, insider trading, SEC Form 4, insider transactions

Question 1

How many SEC Form 4 insider filings does COLB have?

Accepted Answer

COLUMBIA BANKING SYSTEM, INC. (COLB) has 15 SEC Form 4 filings (16 transaction rows) in the rolling 365-day window, disclosed by 2 distinct insiders. Most recent filing: Jul 2, 2026.

Question 2

When was the most recent SEC Form 4 filing for COLB?

Accepted Answer

The most recent Form 4 filing for COLB on Tracefour is dated Jul 2, 2026.

Question 3

What is the net insider flow at COLB over the last 6 months?

Accepted Answer

Over the trailing 180 days, insiders at COLB have net sold $93K based on SEC Form 4 disclosures.

Question 4

What is the total insider buy and sell value at COLB in the current window?

Accepted Answer

Inside the rolling window, insiders at COLB bought $22K and sold $115K based on SEC Form 4 filings.

						Source
Deer Aaron JamesFirst filing	EVP Chief Strategy/Innov Offcr	Purchase	886	$22K	Jul 2	SEC ↗
Moore Devine DavidFirst filing	EVP Chief Marketing Officer	Sale	3,872	$115K	Jun 10	SEC ↗

COLB

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