# EDGAR Filing Document

**Accession Number:** 0001518715
**File Stem:** 0002104239-26-000004
**Filing Date:** 2026-2
**Character Count:** 9417
**Document Hash:** 0bd987f29dd9252a12e8e82f4563c74c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002104239-26-000004.hdr.sgml**: 20260223

**ACCESSION NUMBER**: 0002104239-26-000004

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250902

**FILED AS OF DATE**: 20260223

**DATE AS OF CHANGE**: 20260223

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Downer Edward Michael
- **CENTRAL INDEX KEY:** 0002104239

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35424
- **FILM NUMBER:** 26667120

**MAIL ADDRESS:**
- **STREET 1:** 1111 CIVIC DRIVE
- **STREET 2:** SUITE 390
- **CITY:** WALNUT CREEK
- **STATE:** CA
- **ZIP:** 94596
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Mechanics Bancorp
- **CENTRAL INDEX KEY:** 0001518715
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 910186600
- **STATE OF INCORPORATION:** WA
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1111 CIVIC DRIVE
- **STREET 2:** SUITE 390
- **CITY:** WALNUT CREEK
- **STATE:** CA
- **ZIP:** 94596
- **BUSINESS PHONE:** 206-623-3050

**MAIL ADDRESS:**
- **STREET 1:** 1111 CIVIC DRIVE
- **STREET 2:** SUITE 390
- **CITY:** WALNUT CREEK
- **STATE:** CA
- **ZIP:** 94596

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** HomeStreet, Inc.
- **DATE OF NAME CHANGE:** 20110420

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Downer Edward Michael<br><sub>(Last) (First) (Middle)</sub><br>1111 CIVIC DR STE 390<br><sub>(Street)</sub><br>WALNUT CREEK, CA 94596-3895<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-09-02 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Mechanics Bancorp [ MCHB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2025-09-02 |  | A |  | 13204 | A | <sup>(1)(2)</sup> | 13204 | D |  |
| Class A Common Stock | 2025-09-02 |  | A |  | 1508597 | A | <sup>(2)(3)</sup> | 1508597 | I | E. Michael Downer, Trustee of the E. Michael Downer Separate Property Trust UTD 9/22/08<sup>(3)</sup> |
| Class A Common Stock | 2025-09-02 |  | A |  | 1121270 | A | <sup>(2)(4)</sup> | 1121270 | I | E M Downer Dynasty Trust UAD 11/28/03 FBO Michael Downer<sup>(4)</sup> |
| Class A Common Stock | 2025-09-02 |  | A |  | 1155382 | A | <sup>(2)(5)</sup> | 1155382 | I | E. Michael Downer, Investment Manager for MJAK Holdings, LLC<sup>(5)</sup> |
| Class A Common Stock | 2025-09-02 |  | A |  | 1121270 | A | <sup>(2)(6)</sup> | 1121270 | I | Douglas Downer Family Dynasty Trust<sup>(6)</sup> |
| Class A Common Stock | 2025-09-02 |  | A |  | 1121270 | A | <sup>(2)(7)</sup> | 1121270 | I | Robert M Downer Family Dynasty Trust<sup>(7)</sup> |
| Class A Common Stock | 2025-09-02 |  | A |  | 79226 | A | <sup>(2)(8)</sup> | 79226 | I | E M Downer Family Dynasty II Trust 12/28/03<sup>(8)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Incentive Units - Deferred | <sup>(2)(9)</sup> | 2025-09-02 |  | A |  | 2554 |  | <sup>(10)</sup> | <sup>(10)</sup> | Class A Common Stock | 2554 | $0 | 2591<sup>(11)</sup> | D |  |

---

### Footnotes:

(1) 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").

(2) 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.

(3) 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.

(4) 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.

(5) 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.

(6) 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.

(7) 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.

(8) 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.

(9) Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock.

(10) 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.

(11) Includes 37 incentive units acquired on December 15, 2025 pursuant to dividend reinvestment.

**Signature:** /s/ Glenn Shrader, Attorney in fact for E. Michael Downer  
**Date:** 2026-02-23

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**