SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 27, 2005 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) 1 Item 2.02 Results of Operations and Financial Condition The registrant has issued an earnings release for the three months ended December 31, 2004, which is included herein as Exhibit 99.1. Item 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit 99.1 Earnings release issued January 27, 2005, by Hennessy Advisors, Inc., for the three months ended December 31, 2004. 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. January 27, 2005 By: /s/ Neil J. Hennessy -------------------------------------- Neil J. Hennessy President EXHIBIT INDEX Exhibit 99.1 Earnings release issued January 27, 2005, by Hennessy Advisors, Inc., for the three months ended December 31, 2004. 3