Form 4: COLB Executive Converts RSUs, Adjusts Holdings

Aaron James Deer, EVP Chief Strategy/Innovation Officer at Columbia Banking System, converted Restricted Stock Units into common stock and adjusted his beneficial ownership.

Summary

• Aaron James Deer, EVP Chief Strategy/Innovation Officer at Columbia Banking System, Inc. (COLB), reported transactions on March 13, 2026.
• Deer acquired 1,567 shares of Common Stock at a price of $26.23 per share through the conversion of Restricted Stock Units (RSUs).
• Concurrently, 617 shares of Common Stock were disposed of at $26.23 per share, likely to cover tax obligations related to the RSU conversion.
• Following these transactions, Deer beneficially owns 41,875 shares of Common Stock directly.
• Deer also beneficially owns 7,133 Restricted Stock Units.
• The 1,567 RSUs converted are part of a grant of 4,699 RSUs made on February 25, 2025, which vest in three annual installments beginning March 13, 2026.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event. It represents a routine executive compensation transaction involving the vesting and conversion of Restricted Stock Units, with a standard disposition for tax purposes.

Positives

• The conversion of Restricted Stock Units into common stock increases the executive's direct ownership in the company, aligning interests with shareholders.
• The vesting of RSUs indicates the executive's continued tenure and commitment to the company.

Negatives

• A portion of the acquired shares (617 shares) was disposed of, likely for tax withholding purposes, reducing the net increase in direct beneficial ownership.

Future Outlook

The remaining 7,133 Restricted Stock Units held by Aaron James Deer are expected to vest in future annual installments, following the initial vesting on March 13, 2026.

Industry Context

StockSavvy.ai notes that routine insider transactions, such as RSU conversions and tax-related dispositions, are common occurrences in the banking sector and generally do not reflect broader industry trends or competitive shifts. These transactions primarily relate to executive compensation and personal financial planning.

Stakeholder Impact

• Shareholders: The transaction reflects a routine compensation event for an executive, increasing their direct ownership in the company, which can be viewed as a positive alignment of interests.

Next Steps

• Future annual vesting installments of the remaining 7,133 Restricted Stock Units held by Aaron James Deer.

Key Dates

Keywords

Columbia Banking System, COLB, Insider Trading, Form 4, Restricted Stock Units, Executive Compensation, Stock Ownership, Aaron James Deer