144 0001055947 XXXXXXXX LIVE 0001821586 MoonLake Immunotherapeutics 001-39630 DORFSTRASSE 29 ZUG V8 6300 41 41 510 8022 BVF PARTNERS L P/IL 10% Stockholder Affiliate of Director Common Stock Goldman Sachs & Co. LLC

200 West Street New York NY 10282

3750000 63487500.00 71727875 03/31/2026 NASDAQ Common Stock 04/05/2022 Acquired upon the automatic conversion of private shares in connection with the consummation of the Issuer's business combination on April 5, 2022. The private shares were acquired and fully paid for on May 4, 2021. Issuer N 18501284 04/05/2022 Merger consideration relating to the Issuer's business combination which occurred on April 5, 2022 Y BVF Partners, L.P. (BVF) is the investment manager of certain funds and/or managed accounts that are selling the shares. BVF is also an affiliate of a director of the Issuer. The aggregate market value is as of the close of business on March 30, 2026. The number of securities outstanding is as of February 1, 2026. 03/31/2026 Mark N. Lampert, President of BVF Inc., the general partner of BVF