X0609 4 2026-09-24 0001145255 HENNESSY ADVISORS INC HNNA 0001165096 STEADMAN DANIEL B false 7250 REDWOOD BLVD SUITE 200 NOVATO CA 94945 1 1 Executive VP Advisory Committee Member 0 Common Stock 2026-09-24 4 S 0 5000 10.2626 D 37768 D Common Stock 2250 I FBO Child The price in Column 4 is a weighted average price. The prices actually ranged from $10.2000 to $10.3200. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing an average weighted price. /s/ Teresa M. Nilsen, Attorney-in-Fact for Daniel B. Steadman 2026-09-25