144 0001920509 XXXXXXXX LIVE 0001821586 MoonLake Immunotherapeutics Inc. 001-39630 DORFSTRASSE 29 ZUG V8 6300 41 41 510 8022 Jorge Pedro Santos Radeck D Silva CEO Class A UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

150000 2787000 71727875 04/10/2026 Nasdaq Class A 10/01/2023 Exchange of Shares MoonLake Immunotherapeutics N 3027483 10/01/2023 Shares were obtained upon exchange from MLTX Y 04/10/2026 /s/Mijo Suric, for UBS Financial Services Inc, as attorney-in-fact for Jorge Pedro Santos Radeck D Silva