Form 4: Director's PPBI Shares Convert Post-Columbia Merger

M. Christian Mitchell, a director of Pacific Premier Bancorp, disposed of 39,078 shares of common stock following the company's merger with Columbia Banking System.

Summary

• M. Christian Mitchell, a director of Pacific Premier Bancorp, Inc. (PPBI), reported the disposition of 39,078 shares of PPBI Common Stock.
• The transaction occurred on August 31, 2025, which was the effective time of the merger between Pacific Premier Bancorp, Inc. and Columbia Banking System, Inc.
• Pursuant to the merger agreement dated April 23, 2025, each share of PPBI common stock was converted into the right to receive 0.9150 of a share of Columbia common stock.
• Cash was paid in lieu of fractional shares, if applicable.
• Following this transaction, M. Christian Mitchell beneficially owns 0 shares of PPBI Common Stock.

Sentiment

Score: 7

Explanation: The filing reports the expected and procedural disposition of shares due to a completed merger, which is a neutral to slightly positive event as it signifies the successful execution of a strategic corporate action.

Positives

• The successful completion of the merger between Pacific Premier Bancorp and Columbia Banking System, indicating a finalized strategic corporate action.
• PPBI shareholders, including the reporting director, received shares of Columbia Banking System, providing continuity of investment in the combined entity.

Negatives

• No direct negatives are reported in this Form 4, as the share disposition is a mandatory outcome of a pre-announced merger.

Future Outlook

This Form 4 reports a completed transaction and does not contain forward-looking statements or guidance regarding future company performance or strategy.

Industry Context

The transaction reflects a consolidation event within the banking sector, a common strategic move for financial institutions seeking to expand market share, achieve economies of scale, or enhance operational efficiencies.

Stakeholder Impact

• Shareholders of Pacific Premier Bancorp, Inc. had their common stock converted into shares of Columbia Banking System, Inc., effectively transferring their investment to the acquiring entity.

Key Dates

Keywords

PACIFIC PREMIER BANCORP, PPBI, Columbia Banking System, Merger, Director Share Disposition, Form 4, Insider Transaction, Banking, Financial Services