Company: MCHB
Filing Date: 2025-08-07
Form Type: 425
Source: 0001518715-25-000116
Chunk: 1

Company: Mechanics Bancorp
Filing Date: 2025-08-07
Form: 425
Chunk 1
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 by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 12(a) of the Exchange Act. |

| Item 8.01 |     | Other Events |

As previously reported, on March 28, 2025, HomeStreet, Inc. (“ HomeStreet ” or the "Company"), HomeStreet Bank, a Washington state-chartered commercial bank and wholly owned subsidiary of HomeStreet (“ HomeStreet Bank ”), and Mechanics Bank, a California banking corporation (“ Mechanics ”) entered into an Agreement and Plan of Merger (as may be amended, modified or supplemented from time to time in accordance with its terms, the “ Merger Agreement ”) providing for an all-stock business combination between HomeStreet and Mechanics. On the terms and subject to the conditions set forth in the merger agreement, HomeStreet Bank will merge with and into Mechanics (the “ Merger ”), with Mechanics surviving the merger and becoming a wholly owned subsidiary of HomeStreet.

In connection with the proposed transaction between HomeStreet and Mechanics, HomeStreet filed a registration statement on Form S-4 on July 3, 2025, as amended on July 15, 2025 (the “ Registration Statement ”), which contained a preliminary prospectus with respect to the HomeStreet shares to be issued in the proposed transaction and a preliminary proxy statement for the HomeStreet shareholder meeting. The U.S. Securities and Exchange Commission (the “ SEC ”) declared the Registration Statement effective on July 16, 2025. On July 16, 2025, HomeStreet and Mechanics Bank filed the definitive proxy statement/prospectus/consent solicitation statement with the SEC (the “ Proxy Statement/Prospectus/Consent Solicitation Statement ”), which was mailed to HomeStreet shareholders on or about July 16, 2025.

#### Litigation Related to the Merger
In connection with the Merger Agreement, the Registration Statement and the Proxy Statement/Prospectus/Consent Solicitation Statement, complaints have been filed in state courts, and HomeStreet has received letters from purported HomeStreet shareholders. Each of the letters or complaints allege, among other things, various insufficiencies regarding the disclosures made in the Registration Statement or Proxy Statement/Prospectus/Consent Solicitation Statement.

HomeStreet believes that the shareholder letters and complaints are without merit and that the disclosures set forth in the Registration Statement and Proxy Statement/Prospectus/Consent Solicitation Statement