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Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934


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Preliminary Proxy Statement

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Definitive Proxy Statement

Definitive Additional Materials

Soliciting Material Under §240.14a-12


Bolt Biotherapeutics, Inc.


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Bolt BIOTHERAPEUTICS PROXY TABULATOR, P.O. BOX 8016, CARY, NC 27512-9903 Bolt Biotherapeutics, Inc. Important Notice Regarding the Availability of Proxy Materials Stockholders Meeting to be held on June 12, 2023 For Stockholders of record as of April 14, 2023 This communication presents only an overview of the more complete proxy materials that are available to you on the internet. This is not a ballot. You cannot use this notice to vote your shares. We encourage you to access and review all of the important information contained in the proxy materials before voting. To view the annual report and proxy statement, and to obtain directions to attend the meeting, go to: To vote your proxy while visiting this site, you will need the 12 digit control number in the box below. Under United States Securities and Exchange Commission rules, proxy materials do not have to be delivered in paper. Proxy materials can be distributed by making them available on the internet For a convenient way to view proxy materials and VOTE go to Have the 12 digit control number located in the shaded box above available when you access the website and follow the instructions. If you want to receive a paper or e-mail copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. In order to receive a paper package in time for this year's meeting, you must make this request on or before June 02, 2023. To order paper materials, use one of the following methods INTERNET (866) 648-8133 * E-MAIL paper@investorelections.comWhen requesting via the internet or telephone you will need the 12-digit control number located in the shaded box above. * If requesting material by e-mail, please send a blank e-mail with the 12-digit control number (located above) in the subject line. No other requests, instructions, or inquiries should be included with your e-mail requesting material. Bolt Biotherapeutics, Inc. Meeting Type: Annual Meeting of Stockholders Date: Monday, June 12, 2023 Time: 11:00 AM, Pacific Time Place: Annual Meeting to be held live via the Internet - please visit for more details. You must register to attend the meeting online and/or participate at SEE REVERSE FOR FULL AGENDA



Bolt Biotherapeutics, Inc. Annual Meeting of Stockholders THE BOARD OF DIRECTORS RECOMMENDS A VOTE: FOR PROPOSALS 1 AND 2 PROPOSAL 1. To elect each of the Board's three nominees as a Class II director to serve until the 2026 Annual Meeting of Stockholders. Nominees: 1.01 Randall C. Schatzman, Ph.D. 1.02 Edgar G. Engleman, M.D. 1.03 James I. Healy, M.D., Ph.D. 2. To ratify the selection of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the year ending December 31, 2023.