Amendment to Employment Agreement, dated June 22, 2021, by and between MoonLake Immunotherapeutics AG and Matthias Bodenstedt

Exhibit 10.19

Certain personally identifiable information contained in this document, marked by brackets as [***], has been omitted from this exhibit pursuant to Item 601(a)(6) under Regulation S-K.

Amendment to Employment Agreement

between

Untermüli 7 / Postfach 7444

6302 Zug

Switzerland

(“Employer”)

and

[***]

(“Employee”)

(together hereinafter referred to as the “Parties”)

The Parties hereby agree that the employment relationship of the Employee with the Employer shall commence on July 1^st, 2021. This new commencement date shall substitute the previously agreed upon date in section 2 of the Employment Agreement that was signed by the Parties on May 27^th, 2021.