Form 3 Filing for Abby Macnish Niven

This filing reports a Form 3, Initial Statement of Beneficial Ownership, for Abby Macnish Niven, Chief Financial Officer of ALTERITY THERAPEUTICS LTD. The report, dated April 9, 2026, details holdings in the company under the ticker symbol ATHE. It indicates indirect ownership of 454,545 ordinary shares through CASAM INVESTMENTS PTY LTD. Additionally, it reports indirect ownership of 151,510 ordinary shares underlying listed options that expire on February 26, 2027, with an exercise price of $0.028. The option exercise date is noted as April 10, 2026.