Insider trade

Officer sold ~$63K of COLB shares in the open market

Traded Mar 3, 2026 · Filed Mar 5, 2026

Why it stands out

Columbia Banking System's Senior Executive VP sold $63K of Columbia Banking System shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Officer$25K–$100KPre-arranged plan referenced

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$63,308

Shares × reported transaction price

Timing vs results

40 days after results of Jan 22, 2026, 51 days before results of Apr 23, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After	Stock	S&P 500	Difference
7 days	−3.9%	−1.5%	−2.4%
30 days	+2.7%	−2.0%	+4.7%
90 days	+8.1%	+12.6%	−4.5%
180 days	+10.2%	+13.8%	−3.6%

Past results only. Not a forecast.

Open market sale pursuant to a 10B5-1 Plan which was established by Reporting Person on November 25, 2025, in accordance with Rule 10B5-1 of the Securities Exchange Act of 1934, as amended.

7mo ago

Routine share withholding; mechanical by default.

7mo ago

Routine share withholding; mechanical by default.

7mo ago

Compensation award — excluded from discretionary-purchase analysis.