# EDGAR Filing Document

**Accession Number:** 0001443575
**File Stem:** 0001012975-25-000724
**Filing Date:** 2025-11
**Character Count:** 14903
**Document Hash:** af6206ce85fb76d541625e1d9bd2645d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001012975-25-000724.hdr.sgml**: 20251112

**ACCESSION NUMBER**: 0001012975-25-000724

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20251112

**DATE AS OF CHANGE**: 20251112

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Avidbank Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001443575
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** CA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-87519
- **FILM NUMBER:** 251468865

**BUSINESS ADDRESS:**
- **STREET 1:** 1732 N. 1ST STREET, 6TH FLOOR
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95112
- **BUSINESS PHONE:** 408-200-7390

**MAIL ADDRESS:**
- **STREET 1:** 1732 N. 1ST STREET, 6TH FLOOR
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95112

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PENINSULA BANK HOLDING CO
- **DATE OF NAME CHANGE:** 20080821
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ENDEAVOUR CAPITAL ADVISORS INC
- **CENTRAL INDEX KEY:** 0001218749

**ORGANIZATION NAME:**
- **EIN:** 133744281
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G

**BUSINESS ADDRESS:**
- **STREET 1:** 410 GREENWICH AVENUE
- **CITY:** GREENWICH
- **STATE:** CT
- **ZIP:** 06830
- **BUSINESS PHONE:** 2036180101

**MAIL ADDRESS:**
- **STREET 1:** 410 GREENWICH AVENUE
- **CITY:** GREENWICH
- **STATE:** CT
- **ZIP:** 06830

## Exhibit 99.1

**Exhibit 99.1**

**Agreement of Joint Filing**

Endeavour Capital Advisors Inc., Laurence M. Austin, Mitchell J. Katz and Jonah Marcus hereby agree that the Statement on Schedule 13G to which this agreement is attached as an exhibit as well as all future amendments to such Statement, shall be filed jointly on behalf of each of them. This agreement is intended to satisfy the requirements of Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended.

Dated: November 12, 2025

---

| | | |
|:---|:---|:---|
| **ENDEAVOUR CAPITAL ADVISORS INC.** | **ENDEAVOUR CAPITAL ADVISORS INC.** | **ENDEAVOUR CAPITAL ADVISORS INC.** |
| By: | /s/ Glenn Hofsess | /s/ Glenn Hofsess |
|  | Name: | Glenn Hofsess |
|  | Title: | Chief Financial Officer |
| **LAURENCE M. AUSTIN** | **LAURENCE M. AUSTIN** | **LAURENCE M. AUSTIN** |
| By: | /s/ Laurence M. Austin | /s/ Laurence M. Austin |
| **MITCHELL J. KATZ** | **MITCHELL J. KATZ** | **MITCHELL J. KATZ** |
| By: | /s/ Mitchell J. Katz | /s/ Mitchell J. Katz |
| **JONAH MARCUS** | **JONAH MARCUS** | **JONAH MARCUS** |
| By: | /s/ Jonah Marcus | /s/ Jonah Marcus |

---

------

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** AVIDBANK HOLDINGS, INC.

**Title of Class of Securities:** Common Stock, no par value per share

**CUSIP Number:** 05368J103

**Date of Event Which Requires Filing of this Statement:** 09/30/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [x] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Endeavour Capital Advisors Inc. | Names of Reporting Persons<br>Endeavour Capital Advisors Inc. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>697886 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>697886 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>697886 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>697886 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>6.4% | Percent of Class Represented by Amount in Row (9)<br>6.4% |
| 12. | Type of Reporting Person (See Instructions)<br>IA | Type of Reporting Person (See Instructions)<br>IA |

---

| 1. | Names of Reporting Persons<br>Laurence M. Austin | Names of Reporting Persons<br>Laurence M. Austin |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>697886 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>697886 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>697886 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>697886 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>6.4% | Percent of Class Represented by Amount in Row (9)<br>6.4% |
| 12. | Type of Reporting Person (See Instructions)<br>IN, HC | Type of Reporting Person (See Instructions)<br>IN, HC |

---

| 1. | Names of Reporting Persons<br>Mitchell J. Katz | Names of Reporting Persons<br>Mitchell J. Katz |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>697886 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>697886 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>697886 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>697886 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>6.4% | Percent of Class Represented by Amount in Row (9)<br>6.4% |
| 12. | Type of Reporting Person (See Instructions)<br>HC, IN | Type of Reporting Person (See Instructions)<br>HC, IN |

---

| 1. | Names of Reporting Persons<br>Jonah Marcus | Names of Reporting Persons<br>Jonah Marcus |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>697886 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>697886 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>697886 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>697886 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>6.4% | Percent of Class Represented by Amount in Row (9)<br>6.4% |
| 12. | Type of Reporting Person (See Instructions)<br>IN, HC | Type of Reporting Person (See Instructions)<br>IN, HC |

---

**Item 1(a). Name of Issuer:**
AVIDBANK HOLDINGS, INC.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
1732 North First Street, 6th Floor, San Jose, CA 95112

**Item 2(a). Name of Person Filing:**
This Schedule 13G is being jointly filed by each of the following persons pursuant to Rule 13d-1(k)(1) promulgated by the Securities and Exchange Commission pursuant to Section 13 of the Act, with respect to shares of Common Stock, no par value per share (the "Common Stock") of Avidbank Holdings, Inc. (the "Issuer"): (i) Endeavour Capital Advisors Inc. ("Endeavour"), (ii) Laurence M. Austin, (iii) Mitchell J. Katz and (iv) Jonah Marcus.

**Item 2(b). Address of Principal Business Office:**
Endeavour Capital Advisors Inc.
410 Greenwich Avenue
Greenwich, CT 06830

**Item 2(c). Citizenship:**
Endeavour is a Delaware corporation and Messrs. Austin, Katz and Marcus are citizens of the United States of America.

**Item 2(d). Title of Class of Securities:**
Common Stock, no par value per share

**Item 2(e). CUSIP Number:**
05368J103

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [x] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [x] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

The information in items 5 through 9 on the cover pages of this Schedule 13G is hereby incorporated by reference. The ownership percentages are based on 10,925,102 shares of Common Stock outstanding as of September 30, 2025, as reported in Exhibit 99.1 to the Issuer's Current Report on Form 8-K filed with the Securities and Exchange Commission on October 23, 2025.

**(b) Percent of class:**

Endeavour: 6.4%
Laurence M. Austin: 6.4%
Mitchell J. Katz: 6.4%
Jonah Marcus: 6.4%

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

Endeavour: 0
Laurence M. Austin: 0
Mitchell J. Katz: 0
Jonah Marcus: 0

**(ii) Shared power to vote or to direct the vote:**

Endeavour: 697,886
Laurence M. Austin: 697,886
Mitchell J. Katz: 697,886
Jonah Marcus: 697,886

**(iii) Sole power to dispose or to direct the disposition of:**

Endeavour: 0
Laurence M. Austin: 0
Mitchell J. Katz: 0
Jonah Marcus: 0

**(iv) Shared power to dispose or to direct the disposition of:**

Endeavour: 697,886
Laurence M. Austin: 697,886
Mitchell J. Katz: 697,886
Jonah Marcus: 697,886

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Endeavour Capital Advisors Inc.**

**Date:** 11/12/2025

**By:** /s/ Glenn Hofsess

**Name & Title:** Glenn Hofsess, Chief Financial Officer

**Laurence M. Austin**

**Date:** 11/12/2025

**By:** /s/ Laurence M. Austin

**Name & Title:** Laurence M. Austin

**Mitchell J. Katz**

**Date:** 11/12/2025

**By:** /s/ Mitchell J. Katz

**Name & Title:** Mitchell J. Katz

**Jonah Marcus**

**Date:** 11/12/2025

**By:** /s/ Jonah Marcus

**Name & Title:** Jonah Marcus