Company: MCHB
Filing Date: 2025-07-16
Form Type: 424B3
Source: 0001140361-25-026051
Chunk: 326

Company: Mechanics Bancorp
Filing Date: 2025-07-16
Form: 424B3
Chunk 326
---
 | Mechanics                                                                                                                    |     | Combined Company                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|                         |     | limits prescribed by law, of such action to all shareholders entitled to vote who did not consent in writing to such action. |     | to vote on the action who have not consented in writing. The written consent will be effective when either unanimous consent is achieved or when both consents sufficient to authorize taking the action have been delivered to the combined company and the ten (10) day notice requirement has been satisfied.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| Shareholder Rights Plan |     | Mechanics does not have a shareholder rights plan.                                                                           |     | HomeStreet does not have a shareholder rights plan.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| Forum Selection Bylaw   |     | The Mechanics charter and Mechanics bylaws do not feature a forum selection provision.                                       |     | The amended and restated bylaws provide that the sole and exclusive forum will be, to the fullest extent permitted by law, the Superior Court of King County in the State of Washington (or if such court lacks jurisdiction, the United States District Court for the Eastern District of Washington, or if such court lacks jurisdiction, the state courts of the State of Washington) for (i) any derivative action or proceeding brought on behalf of the combined company, (ii) any action asserting a claim of breach of a fiduciary duty owed by a director, officer or other employee of the combined company to the combined company or the combined company’s shareholders, (iii) any action asserting a claim arising pursuant to any provision of the laws of the State of Washington, the amended and restated articles or the amended and restated bylaws and (iv) any action asserting a claim governed by the internal affairs doctrine. |

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#### TABLE OF CONTENTS

### LEGAL MATTERS
The validity of combined company common stock to be issued in connection with the merger will be passed upon for HomeStreet by Orrick, Herrington & Sutcliffe LLP, San Francisco, California.

Certain U.S. federal income tax consequences of the merger will be passed upon for HomeStreet by Sullivan & Cromwell LLP, New York, New York, and for Mechanics by Wachtell, Lipton, Rosen & Katz, New York, New York.

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#### TABLE OF CONTENTS

### EXPERTS

#### HomeStreet
The financial statements incorporated in this proxy statement/prospectus/consent solicitation statement by reference