Chemomab Therapeutics Director Neil Cohen's Stock Option Holdings and ADS Ownership

This Form 3 filing discloses the securities holdings of Neil Cohen, a director of Chemomab Therapeutics Ltd. (CMMB), as of March 18, 2026. The filing reveals Cohen owns 35,304 American Depositary Shares (ADS) directly. Additionally, he holds seven separate stock option grants giving him the right to purchase ADS at various exercise prices ranging from $2.14 to $109.04 per share. The options were granted between July 2020 and March 2026, with expiration dates extending through 2036. All options are fully vested and exercisable. The filing was submitted under temporary relief for foreign private issuers, as it was filed after March 18, 2026 but before April 20, 2026. This disclosure provides transparency into director ownership and aligns with SEC requirements for insider reporting.