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 under §240.14a-12

MoonLake Immunotherapeutics

(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!  MOONLAKE IMMUNOTHERAPEUTICS DORFSTRASSE 29  ZUG, SWITZERLAND 6300  MOONLAKE IMMUNOTHERAPEUTICS  2023 Annual General Meeting of Shareholders  Vote by June 6, 2023  11:59 PM ET  You invested in MOONLAKE IMMUNOTHERAPEUTICS and it’s time to vote!  You have the right to vote on proposals being presented at the Annual General Meeting of Shareholders. This is an important notice  regarding the availability of proxy materials for the shareholder meeting to be held on June 7, 2023.  Get informed before you vote  View the Notice, Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by  requesting prior to May 24, 2023. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 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.  Vote in Person at the Meeting*  June 7, 2023  8:00 a.m. Eastern Time  At the offices of Gibson, Dunn & Crutcher LLP located at 200 Park Avenue  New York, New York 10166  *Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.  Smartphone users  Point your camera here and vote without entering a control number  For complete information and to vote, visit www.ProxyVote.com  Control #  V08953-P89084  V1.2 

 Vote at www.ProxyVote.com  THIS IS NOT A VOTABLE BALLOT  This is an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials at www.ProxyVote.com or easily request a paper copy. 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.  Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”.  Voting Items  Board Recommends  Election of two Class I director nominees to serve until the 2026 Annual General Meeting of Shareholders or until their successors are duly elected and qualified.  Nominees:  Dr. Kara Lassen  Spike Loy  For  2. Ratification, by ordinary resolution, of the selection of Baker Tilly US, LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2023.  For  NOTE: Such other business as may properly come before the meeting or any adjournment or postponement thereof.  V08954-P89084