HENNESSY ADVISORS INC

Q: Jun 30 2026

Q: Mar 31 2026

Q: Dec 31 2025

FY: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

Q: Dec 31 2024

FY: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

Q: Dec 31 2023

FY: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

Q: Dec 31 2022

FY: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

Q: Dec 31 2021

FY: Sep 30 2021

Results of Operations and Financial Condition

Other Events

Results of Operations and Financial Condition

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Regulation FD Disclosure

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Other Events

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Changes in Registrant's Certifying Accountant

Results of Operations and Financial Condition

Regulation FD Disclosure

5.02,9.01

2.02,7.01,9.01

2.02,5.03,7.01,9.01

8.01,9.01

5.07

Notification of removal from listing and/or registration on a national securities exchange

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

Certification of approval for listing and registration on a national securities exchange

Registration of Securities on Exchange

Free Writing Prospectus

Prospectus Supplement with Pricing Information

Notice of Effectiveness

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

Annual Report of Proxy Voting Record of Registered Management Investment Company

Definitive Proxy Statement

Annual Report of Proxy Voting Record of Registered Management Investment Company

Definitive Proxy Statement

Annual Report of Proxy Voting Record of Registered Management Investment Company

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

STEADMAN DANIEL B

Newton Kiera

SEAVEY THOMAS L

STEADMAN DANIEL B

STEADMAN DANIEL B

Knight ORiordan Lydia D

Newton Kiera

LIBARLE DANIEL G

STEADMAN DANIEL B

HENNESSY NEIL J

NILSEN TERESA M

Fahy Kathryn

HANSEL HENRY

HENNESSY BRIAN A

Pomilia Susan Weber

SEAVEY THOMAS L

Newton Kiera

none

Fahy Kathryn

Fahy Kathryn

Correspondence with the SEC

Letter from the SEC

Application for an order under the Investment Company Act (exemptive relief)

Application for an order under the Investment Company Act (exemptive relief) (amendment)

Application for an order under the Investment Company Act (exemptive relief) (amendment)

Application for an order under the Investment Company Act (exemptive relief)

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

No description available

Letter from the SEC

Correspondence with the SEC

Letter from the SEC