UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): August 28, 2001 CALIFORNIA AMPLIFIER, INC. (Exact name of registrant as specified in its charter) Delaware 0-12182 95-3647070 (State or other jurisdiction (Commission File Number) (IRS Employer of incorporation or Identification Number) organization) 460 Calle San Pablo Camarillo, California 93012 (Address of principal executive offices) (Zip Code) (805) 987-9000 (Registrant's telephone number, including area code) ITEM 5. OTHER EVENTS The Board of Directors of California Amplifier, Inc., a Delaware corporation (the "Registrant") adopted an amendment of the Registrant's existing stockholder rights plan (the "Rights Plan") to (i) extend the Rights Plan until September 5, 2011, (ii) increase the exercise price for the exercise of each right to $50, (iii) eliminate the "dead hand" independent director provisions in the existing Rights Plan and (iv) make other immaterial revisions requested by the successor rights agent to clarify the Rights Plan. The amendment of the Rights Plan is set out in full in the Amended and Restated Rights Agreement, amended and restated as of September 5, 2001, by and between the Registrant and Mellon Investor Services LLC, as Rights Agent attached as Exhibit 4.1 to this Form 8-K. On September 5, 2001, the Registrant issued a press release, attached as Exhibit 20.1 to this Form 8-K, announcing the amendment of the Rights Plan. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be filed on its behalf by the undersigned hereunto duly authorized. CALIFORNIA AMPLIFIER, INC. Dated: September 5, 2001 By: /s/ Richard K. Vitelle ------------------------------------- Richard K. Vitelle, Vice President and Chief Financial Officer INDEX TO EXHIBITS EXHIBIT NO. DESCRIPTION METHOD OF FILING ------- ------------- ------------------ 4.1 Amended and Restated Rights Agreement, amended and restated as of Filed electronically September 5, 2001, by and between California Amplifier, Inc. and herewith Mellon Investor Services LLC, as Rights Agent 20.1 Press Release of California Amplifier, Inc. dated September 5, 2001 Filed electronically herewith