DEFA14A

DEFA14A 1 bbnx_defa_14a_naa_2026.htm DEFA14A DEFA14A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934

(Amendment No.__)

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:


☐	Preliminary Proxy Statement

☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐	Definitive Proxy Statement

☒	Definitive Additional Materials

☐	Soliciting Material Pursuant to §240.14a-12

Beta Bionics, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):


☒	No fee required

☐	Fee paid previously with preliminary materials

☐	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

Your Vote Counts! BETA BIONICS, INC. 2026 Annual Meeting Vote by May 20, 2026 11:59 P.M., Eastern Time BETA BIONICS, INC. 11 HUGHES IRVINE, CA 92618 You invested in BETA BIONICS, INC. and it’s time to vote! You have the right to vote on the proposals being presented at the 2026 Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on May 21, 2026 at 2:00 P.M., Pacific Time. Get informed before you vote View the Proxy Statement and the 2025 Annual Report on Form 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 7, 2026. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 toll-free or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.comControl # Smartphone users Point your camera here and vote without entering a control number Vote Virtually at the Meeting* May 21, 2026 2:00 P.M., Pacific Time Virtually at: www.virtualshareholdermeeting.com/BBNX2026*Please check the meeting materials for any special requirements for meeting attendance.

Vote at www.ProxyVote.comTHIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. We encourage you to access and review all of the important information contained in the proxy materials before voting. Please follow the instructions on the reverse side to vote these important matters. Voting Items 1. To elect two Class I directors, as nominated by the Board of Directors, to hold office until the 2029 Annual Meeting of Stockholders and their successors are duly elected and qualified, or until their earlier death, resignation or removal. Nominees: 1a. Sean D. Carney 1b. Christy Jones 2. To ratify the appointment by the Audit Committee of the Board of Directors of Ernst & Young LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026. NOTE: In their discretion, the proxies are authorized to vote upon such other business as may properly come before the meeting or any adjournment thereof. Board Recommends For For For Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”.

SEC Form DEFA14A filed by Beta Bionics Inc.