Company: MCHB
Filing Date: 2025-07-16
Form Type: 424B3
Source: 0001140361-25-026051
Chunk: 52

Company: Mechanics Bancorp
Filing Date: 2025-07-16
Form: 424B3
Chunk 52
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 outstanding shares of Mechanics voting common stock. Accordingly, the execution and delivery of written consents by all of the key shareholders will constitute receipt by Mechanics of the shareholder approval required for the Mechanics merger proposal and therefore satisfy the closing condition in the merger agreement relating to receipt of the Mechanics requisite shareholder approval.

#### Registration Rights Agreement (page187)
In connection with the merger agreement, HomeStreet, Mechanics, the Ford Entities and Rabobank entered into a registration rights agreement, dated as of March 28, 2025, which will become effective as of the effective time.

Pursuant to the registration rights agreement, (i) each of the Ford Entities and Rabobank is entitled to certain demand registration rights, shelf takedown rights and piggyback registration rights with respect to shares of the combined company common stock it acquires in the merger, in each case, subject to certain minimum and maximum thresholds and other customary limitations, and (ii) the combined company is required to use reasonable best efforts to file, within 180 days of the closing date, a resale shelf registration statement on Form S-3 covering the shares of the combined company common stock acquired by the Ford Entities and Rabobank in the merger. The shares of HomeStreet common stock to be issued by HomeStreet to the Ford Entities in the merger are not being registered pursuant to the registration statement of which this proxy statement/prospectus/consent solicitation statement forms a part.

The combined company will pay the registration expenses (other than underwriting discounts, selling commissions, stock transfer taxes and fees and certain legal fees) of the shares registered pursuant to the demand registration rights, shelf takedown rights and piggyback registration rights. The applicable Ford Entities or Rabobank Parties will pay such underwriting discounts, selling commissions, stock transfer taxes and fees and legal fees.

Further, the combined company, Mechanics, the Ford Entities and Rabobank each agree to, and agree to cause their respective affiliates to, cooperate with each other with respect to certain bank regulatory matters and to use reasonable best efforts to comply with certain regulatory requirements. For more information, see the section entitled “ The Registration Rights Agreement .”

#### Accounting Treatment of the Merger (page166)
The merger will be accounted for as a reverse acquisition of HomeStreet by Mechanics under the reverse acquisition method of accounting in accordance with the U.S. generally accepted accounting principles (“GAAP”), and Mechanics will be treated as the acquirer for accounting purposes.

**The Rights of Mechanics Shareholders and HomeStreet Shareholders Will Change as