X0508 4 2025-09-18 0001145255 HENNESSY ADVISORS INC HNNA 0001165094 LIBARLE DANIEL G 7250 REDWOOD BLVD SUITE 200 NOVATO CA 94945 1 Advisory Committee Member 0 Common Stock 2025-09-18 4 A 0 2800 0 A 63810 I By Trust Includes 2,800 shares of underlying stock units that will vest 25% per year beginning on September 18, 2026. /s/ Teresa Nilsen, Attorney-in-Fact for Daniel G. Libarle 2025-09-19