Mechanics Bancorp — Director's Dealing 2025

Sep 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Mechanics Bancorp (MCHB)
CIK: 0001518715
Period of Report: 2025-09-02

Reporting Person: Parr David L (EVP, DIR. OF COMM'L BANKING)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-02	Common Stock	A	2303	—	Acquired	4920	Direct
2025-09-02	Common Stock	F	920	$13.87	Disposed	4000	Direct
2025-09-02	Common Stock	A	7946	—	Acquired	11946	Direct
2025-09-02	Common Stock	F	3173	$13.87	Disposed	8773	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2441.313	Indirect

Footnotes

F1: Reflects shares of Issuer Class A common stock received upon vesting of performance stock units ("PSUs"). Pursuant to the Agreement and Plan of Merger, dated as of March 28, 2025, among HomeStreet, Inc., HomeStreet Bank, a subsidiary of HomeStreet, Inc., and Mechanics Bank, at the effective time of the merger on September 2, 2025, each outstanding PSU held by the Reporting Person was accelerated and entitled the Reporting Person to receive shares of Issuer Class A common stock, plus a cash amount for any accrued but unpaid dividends on the PSUs. In the merger, HomeStreet, Inc. was renamed Mechanics Bancorp.

F2: Shares of Issuer Class A common stock were issued to the Reporting Person without payment of any consideration in connection with the vesting of a PSU award granted to the Reporting Person on January 1, 2023. The number of shares issued on the vesting of the PSU was determined based on the achievement of certain performance factors set forth in the PSU. The unvested portion of the PSU was cancelled.

F3: Shares withheld by the Issuer in payment of the withholding tax liability incurred upon the above-reported settlement of PSUs.

F4: Shares of Issuer Class A common stock were issued to the Reporting Person without payment of any consideration in connection with the vesting of a PSU award granted to the Reporting Person on January 1, 2024. The number of shares issued on the vesting of the PSU was determined based on the achievement of certain performance factors set forth in the PSU. The unvested portion of the PSU was cancelled.

F5: Participants in HomeStreet Inc.'s 401(k) Savings Plan, or the "401(k) Plan", have the authority to direct voting of shares they hold through the 401(k) Plan. The amount of shares held in the 401(k) Plan is as of September 2, 2025.