Company: MCHB
Filing Date: 2025-07-16
Form Type: 424B3
Source: 0001140361-25-026051
Chunk: 15

Company: Mechanics Bancorp
Filing Date: 2025-07-16
Form: 424B3
Chunk 15
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Street merger-related compensation proposal”; and |

| • | a proposal to adjourn the HomeStreet special meeting, if necessary or appropriate, to solicit additional proxies if there are insufficient votes at the time of the HomeStreet special meeting to approve the HomeStreet articles amendment proposal or the HomeStreet share issuance proposal, which proposal we refer to as the “HomeStreet adjournment proposal”. |

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None of the approvals of the HomeStreet new equity incentive plan proposal, the HomeStreet merger-related compensation proposal or the HomeStreet adjournment proposal are a condition to the obligations of HomeStreet or Mechanics to complete the merger. This document is being delivered to you as a proxy statement of HomeStreet. This document is also a prospectus that is being delivered to Mechanics shareholders because, pursuant to the merger agreement, HomeStreet is offering shares of HomeStreet common stock to Mechanics shareholders. This document is also a consent solicitation statement of Mechanics because, pursuant to the merger agreement, the Mechanics shareholders are being asked to provide written consents to approve the Mechanics merger proposal. This proxy statement/prospectus/consent solicitation statement contains important information about the merger and the other proposals being voted on at the HomeStreet special meeting. You should read it carefully and in its entirety.

| Q: | What will happen in the merger? |

| A: | In the merger, HomeStreet Bank will merge with and into Mechanics, with Mechanics continuing as the surviving entity and becoming a wholly owned subsidiary of HomeStreet. In connection with the merger, HomeStreet will be renamed “Mechanics Bancorp”. Following the consummation of the merger, HomeStreet will remain a publicly traded company. We refer to the resulting holding company of Mechanics following the merger as the “combined company.” |

See the information provided in the section entitled “ The Merger Agreement—Structure of the Merger” and the merger agreement for more information about the merger.

| Q: | What will Mechanics shareholders receive in the merger? |

| A: | If the merger is completed, subject to the terms of the merger agreement, each issued and outstanding share of (i) Mechanics voting common stock will be converted into the right to receive 3,301.0920 shares of Class A common stock and (ii) Mechanics non-voting common stock will be converted into the right to receive 330.1092 shares of the Class B common stock, except, to the extent applicable, for Mechanics common stock owned by HomeStreet or Mechanics, in each case other