Trade Summary

3 days ago, Nixon Torran B, serving as Senior EVP at Columbia Banking System, Inc. (COLB), sold 4,481 shares at $28.55 per share, for a total transaction value of $127,932.00. Following this transaction, Nixon Torran B now holds 103,755 shares of COLB.

This sale represents a 4.00% decrease in Nixon Torran B's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Tuesday, March 3, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, March 5, 2026, 2 days after the trade was made.

Columbia Banking System, Inc. operates in the FINANCIAL SERVICES sector, specifically within the BANKS - REGIONAL industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.