SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A AMENDED REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2003 HENNESSY ADVISORS, INC. (Exact name of registrant as specified in its charter) California 000-49872 68-0176227 (State or other jurisdiction (Commission (IRS Employer of incorporation) File No.) Identification No.) 750 Grant Avenue, Suite 100 Novato, California 94945 (Address of principal executive offices) (Zip Code) Registrant's telephone number including area code: (415) 899-1555 (Former name or former address, if changed since last report) Item 7. Financial Statements and Exhibits. (c) Exhibits Exhibit 99.1 Revised earnings release issued May 9, 2003, by Hennessy Advisors, Inc., for the six months ended March 31, 2003. Item 9. Regulation FD Disclosure, and Item 12. Disclosure of Results of Operations and Financial Condition The registrant has issued a revised earnings release for the six months ended March 31, 2003, which is included herein as Exhibit 99.1. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. HENNESSY ADVISORS, INC. May 9, 2003 By: /s/ Neil J. Hennessy -------------------------------------- Neil J. Hennessy President EXHIBIT INDEX Exhibit 99.1 Revised earnings release issued May 9, 2003, by Hennessy Advisors, Inc., for the six months ended March 31, 2003. 3