Company: MCHB
Filing Date: 2025-08-07
Form Type: 425
Source: 0001518715-25-000116
Chunk: 10

Company: Mechanics Bancorp
Filing Date: 2025-08-07
Form: 425
Chunk 10
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 Bank common stock can be found in the Proxy Statement/Prospectus/Consent Solicitation Statement and the Registration Statement. Information about the directors and officers of HomeStreet and their ownership of HomeStreet’s common stock can be found in the Proxy Statement/Prospectus/Consent Solicitation Statement , the Registration Statement, HomeStreet’s annual report on Form 10-K, as filed by HomeStreet with the SEC on April 7,

2025, and other documents subsequently filed by HomeStreet with the SEC. Additional information regarding the interests of such participants is included in the Proxy Statement/Prospectus/Consent Solicitation Statement and the prospectus filed by HomeStreet and other relevant documents regarding the Merger filed with the SEC when they become available.

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: August 7, 2025

| HomeStreet, Inc. |     |                                                      |
| By:              |     | /s/ John M. Michel                                   |
|                  |     | John M. Michel                                       |
|                  |     | Executive Vice President and Chief Financial Officer |