Downer Edward Michael

SEC source: 0002104239-26-000008 · wk-form4_1781736114.xml · nonDerivative · entry 1

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · E M Downer Dynasty Trust UAD 11/28/03 FBO Michael Downer

Disclosed balance after: 1,121,268

F1 · ownership.nature: The Reporting Person is the Investment Manager and beneficiary of the E M Downer Dynasty Trust UAD 11/28/03.

SEC source: 0002104239-26-000006 · wk-form4_1780095546.xml · derivative · entry 9

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,513

Underlying: Class A Common Stock · 5,513 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Mechanics Bancorp (the "Company") Class A common stock. RSUs do not require the holder to pay any consideration on vesting.

F9 · derivative.exercise_date: On May 28, 2026, the Reporting Person was granted 5,513 RSUs, which vest on May 28, 2027. Upon vesting, the Reporting Person will receive a number of shares of the Company's Class A common stock equal to the number of RSU's that vest on that date.

F9 · derivative.expiration_date: On May 28, 2026, the Reporting Person was granted 5,513 RSUs, which vest on May 28, 2027. Upon vesting, the Reporting Person will receive a number of shares of the Company's Class A common stock equal to the number of RSU's that vest on that date.

SEC source: 0002104239-26-000006 · wk-form4_1780095546.xml · derivative · entry 8

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,301 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Mechanics Bancorp (the "Company") Class A common stock. RSUs do not require the holder to pay any consideration on vesting.

F2 · shares: Granted but unvested RSUs were previously reported in Table I. Going forward, granted but unvested RSUs will be reported in Table II and will be reported in Table I when they vest and convert into Class A common stock. Share totals of securities beneficially owned following reported transaction(s) reported in Table I have been adjusted to reflect this change in reporting and do not include unvested RSUs.

F8 · derivative.exercise_date: On May 21, 2025, the Reporting Person was granted the equivalent of 3,301 of the Company's RSUs, which vest on May 27, 2026. Upon vesting, the Reporting Person will receive a number of shares of the Company's Class A common stock equal to the number of RSU's that vest on that date.

F8 · derivative.expiration_date: On May 21, 2025, the Reporting Person was granted the equivalent of 3,301 of the Company's RSUs, which vest on May 27, 2026. Upon vesting, the Reporting Person will receive a number of shares of the Company's Class A common stock equal to the number of RSU's that vest on that date.

SEC source: 0002104239-26-000006 · wk-form4_1780095546.xml · nonDerivative · entry 1

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · E. Michael Downer, Trustee of the E. Michael Downer Separate Property Trust UTD 9/22/08

Disclosed balance after: 1,511,898

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Mechanics Bancorp (the "Company") Class A common stock. RSUs do not require the holder to pay any consideration on vesting.

SEC source: 0002104239-26-000004 · wk-form4_1771895297.xml · derivative · entry 8

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,591

Underlying: Class A Common Stock · 2,554 shares

Expires not disclosed

F2 · derivative.exercise_price: As consideration for the Merger, (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock.

F9 · derivative.exercise_price: Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock.

F10 · derivative.exercise_date: The Reporting Person has elected to defer payment on such incentive units until the earlier of (i) the retirement or termination of the Reporting Person, or (ii) a change in control of Issuer.

F10 · derivative.expiration_date: The Reporting Person has elected to defer payment on such incentive units until the earlier of (i) the retirement or termination of the Reporting Person, or (ii) a change in control of Issuer.

F11 · balance_after: Includes 37 incentive units acquired on December 15, 2025 pursuant to dividend reinvestment.

SEC source: 0002104239-26-000004 · wk-form4_1771895297.xml · nonDerivative · entry 7

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · E M Downer Family Dynasty II Trust 12/28/03

Disclosed balance after: 79,226

F2 · price: As consideration for the Merger, (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock.

F8 · price: Received in exchange of 23 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the voting trustee for the E M Downer Family Dynasty II Trust dated 12/28/03.

F8 · ownership.nature: Received in exchange of 23 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the voting trustee for the E M Downer Family Dynasty II Trust dated 12/28/03.

SEC source: 0002104239-26-000004 · wk-form4_1771895297.xml · nonDerivative · entry 6

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Robert M Downer Family Dynasty Trust

Disclosed balance after: 1,121,270

F2 · price: As consideration for the Merger, (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock.

F7 · price: Received in exchange of 339 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the voting trustee for the Robert M Downer Family Dynasty Trust.

F7 · ownership.nature: Received in exchange of 339 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the voting trustee for the Robert M Downer Family Dynasty Trust.

SEC source: 0002104239-26-000004 · wk-form4_1771895297.xml · nonDerivative · entry 5

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Douglas Downer Family Dynasty Trust

Disclosed balance after: 1,121,270

F2 · price: As consideration for the Merger, (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock.

F6 · price: Received in exchange of 339 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the voting trustee for the Douglas Downer Family Dynasty Trust.

F6 · ownership.nature: Received in exchange of 339 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the voting trustee for the Douglas Downer Family Dynasty Trust.

SEC source: 0002104239-26-000004 · wk-form4_1771895297.xml · nonDerivative · entry 4

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · E. Michael Downer, Investment Manager for MJAK Holdings, LLC

Disclosed balance after: 1,155,382

F2 · price: As consideration for the Merger, (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock.

F5 · price: Received in exchange of 349 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the Investment Manager of MJAK Holdings, LLC and has the power to direct the voting of such shares.

F5 · ownership.nature: Received in exchange of 349 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the Investment Manager of MJAK Holdings, LLC and has the power to direct the voting of such shares.

SEC source: 0002104239-26-000004 · wk-form4_1771895297.xml · nonDerivative · entry 3

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · E M Downer Dynasty Trust UAD 11/28/03 FBO Michael Downer

Disclosed balance after: 1,121,270

F2 · price: As consideration for the Merger, (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock.

F4 · price: Received in exchange of 339 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the investment manager and beneficiary of the E M Downer Dynasty Trust UAD 11/28/03.

F4 · ownership.nature: Received in exchange of 339 shares of MB original voting common stock in connection with the Merger. The Reporting Person is the investment manager and beneficiary of the E M Downer Dynasty Trust UAD 11/28/03.

SEC source: 0002104239-26-000004 · wk-form4_1771895297.xml · nonDerivative · entry 2

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · E. Michael Downer, Trustee of the E. Michael Downer Separate Property Trust UTD 9/22/08

Disclosed balance after: 1,508,597

F2 · price: As consideration for the Merger, (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock.

F3 · price: Received in exchange of 456 shares of MB original voting common stock in connection with the Merger. The Reporting Person is Trustee of the E. Michael Downer Separate Property Trust UTD 9/22/08.

F3 · ownership.nature: Received in exchange of 456 shares of MB original voting common stock in connection with the Merger. The Reporting Person is Trustee of the E. Michael Downer Separate Property Trust UTD 9/22/08.

SEC source: 0002104239-26-000004 · wk-form4_1771895297.xml · nonDerivative · entry 1

Downer Edward Michael · CIK 0002104239 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,204

F1 · price: Received in exchange for an aggregate of four shares of Mechanics Bank ("MB") original voting common stock and MB restricted stock units in connection with the merger of HomeStreet Bank, a wholly owned subsidiary of Issuer, with and into MB, pursuant to which MB continued as the surviving corporation and as a wholly owned subsidiary of Issuer (the "Merger").

F2 · price: As consideration for the Merger, (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock.