Avidbank Holdings, Inc.

AVIDBANK HOLDINGS, INC.

1732 N. First Street, 6th Floor

San Jose, CA 95112

PROXY STATEMENT

For the 2026 Annual Meeting of Shareholders

To Be Held on May 19, 2026 at 10:00 a.m. Pacific Daylight Time

This Proxy Statement is furnished in connection with the solicitation by the Board of Directors (the “Board” or “Board of Directors”) of Avidbank Holdings, Inc. a California corporation (the “Company,” "Avidbank Holdings," “we,” “our” or “us”), of proxies to be voted at our Annual Meeting of Shareholders (the “Annual Meeting”) and at any adjournment or postponement of the Annual Meeting. The Annual Meeting will take place on May 19, 2026, beginning at 10:00 a.m. Pacific Daylight Time at our corporate headquarters at the address given above. All shareholders as of the record date, or their duly appointed proxies, are invited to attend the Annual Meeting. You may vote prior to the Annual Meeting by mail, by telephone or online by accessing www.voteproxy.com and following the instructions provided to you with these proxy materials or at such website. You may also vote by attending the Annual Meeting and voting in person.

In addition, we are planning to provide interested shareholders, members of our board of directors and our team members, as a courtesy, the opportunity to listen to our Annual Meeting by remotely dialing into an audio conference call. To join the conference call by telephone, dial +1 323-484-8144 (ID: 810 454 078#). The live audio call will be held concurrently with our Annual Meeting (May 19, 2026, at 10:00 a.m. Pacific Daylight Time).Listening to the Annual Meeting by audio conference call will not constitute attendance for legal or quorum purposes. Shareholders participating via the audio conference call willnot be able to vote or change any previously submitted votes, and no questions may be submitted through the audio conference call.

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE ANNUAL MEETING

Pursuant to the rules adopted by the Securities and Exchange Commission (the “SEC”), we have elected to provide access to our proxy materials over the Internet. Accordingly, we are sending a Notice of Internet Availability of Proxy Materials (the “E-Proxy Notice”) to our shareholders of record as of the close of business on March 27, 2026 (the “Record Date”).

The E-Proxy Notice provides that (i) the shareholder may access the notice of annual meeting of shareholders, this proxy statement, the Company’s annual report for the year ended December 31, 2025, additional solicitation materials (if any), and other proxy materials and amendments to these materials (collectively, the “Proxy Materials”) online at www.astproxyportal.com/ast/19956 and (ii) shareholders may also request to receive a paper copy of the Proxy Materials by calling our transfer agent at (888) PROXY-NA (888-776-9962) in the United States or (201) 299-6210 worldwide.

We anticipate that the E-Proxy Notice will be sent, and a full set of Proxy Materials relating to our Meeting will be made available, to our shareholders commencing on or about April 7, 2026. Upon receipt of the E-Proxy Notice, shareholders may choose to request a printed copy of Proxy Materials at no charge. If you received an E-Proxy Notice, you will not receive any other Proxy Materials by mail unless you request a paper or electronic copy of the Proxy Materials. To request that a full set of the Proxy Materials be sent to your specified postal or email address, please call the Company, Attention: Corporate Secretary, at (408) 200-7390 or send an email to IR@avidbank.com prior May 5, 2026, and include your control number; or call our transfer agent at (888) PROXY-NA (888-776-9962) in the United States or (201) 299-6210 worldwide.

The E-Proxy Notice also identifies the date, the time and details regarding the Annual Meeting; the matters to be acted upon at the Annual Meeting and the board of directors’ recommendation with regard to each matter.