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MoonLake Immunotherapeutics

For the period ended Dec 31, 2025. Filed Feb 25, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 25, 2026

MLTX$12.62+9.5%Stored close · as of Nov 9, 2026

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Contents

Item 9B. Other Information

Trading Arrangements

On October 26, 2025, Dr. Kristian Reich, the Chief Scientific Officer of the Company, terminated a trading plan that was originally adopted on June 26, 2025. This plan was intended to satisfy the affirmative defense of Rule 10b5-1(c) and provided for the sale, subject to certain conditions, of up to 300,000 Class A Ordinary Shares through March 31, 2026.

On December 10, 2025, Mr. Matthias Bodenstedt, the Chief Financial Officer of the Company, terminated a trading plan that was originally adopted on June 17, 2025. This plan was intended to satisfy the affirmative defense of Rule 10b-1(c) and provided for the sale, subject to certain conditions, of up to 300,000 Class A Ordinary Shares through March 31, 2026.

On December 10, 2025, Mr. Bodenstedt, the Chief Financial Officer of the Company, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b-1(c). Mr. Bodenstedt's plan provides for the sale, subject to certain conditions, of up to 385,870 Class A Ordinary Shares through December 31, 2026.

During the three months ended December 31, 2025, no other director or Section 16 officer of the Company adopted orterminated any“Rule 10b5-1 trading arrangement” or“non-Rule 10b5-1 trading arrangement”, as each term is defined in Item 408(a) of Regulation S-K.

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