Form 4 Filing for MoonLake Immunotherapeutics

This filing reports the sale of Class A ordinary shares by Jorge Santos da Silva, the Chief Executive Officer and a director of MoonLake Immunotherapeutics. On April 10, 2026, 98,127 shares were sold at a weighted average price of $18.41 per share, with individual transactions ranging from $18.00 to $19.55. Following this transaction, 2,976,766 shares remained. On April 13, 2026, an additional 51,873 shares were sold at a weighted average price of $18.23 per share, with individual transactions ranging from $18.00 to $18.41. After this sale, 2,924,893 shares remained. These sales were made pursuant to Rule 144 under the Securities Act of 1933. The reporting person has stated that full information regarding the number of shares sold at each separate price will be provided upon request by the SEC, the Issuer, or a security holder.