Form 3 Filing for Chemomab Therapeutics Ltd. by Director Nissim Darvish

This filing is a Form 3, which reports initial beneficial ownership of securities. It was filed by Nissim Darvish, a director of Chemomab Therapeutics Ltd. (CMMB), on April 10, 2026. The filing details various stock options granted to Mr. Darvish, all of which are vested and exercisable. These options represent the right to buy American Depositary Shares (ADS) and have different exercise dates, expiration dates, and conversion/exercise prices. Specifically, there are options granted on October 28, 2016, April 19, 2021, March 7, 2022, March 21, 2023, June 14, 2023, and June 1, 2024, with varying numbers of underlying ADSs. Additionally, there is one more option grant with an exercise date of June 1, 2026, and an expiration date of June 16, 2035. The filing also indicates that Mr. Darvish directly owns 300 ADSs following these transactions. The filing was made in reliance on temporary relief for foreign private issuers.