SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549-1004 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): March 27, 2001 Aehr Test Systems (Exact name of Registrant as specified in its chapter) California 000-22893 94-2424084 (State or other jurisdiction of [Commission File Number] (I.R.S. Employer incorporation or organization) Identification Number) 400 Kato Terrace Fremont, CA 94539 (Address of principal executive offices) 510-623-9400 (Registrant's telephone number, including area code) ITEM 5. OTHER EVENTS Aehr Test Systems and U.S. Stock Transfer Corporation made a change in the definition of an "Acquiring Person" in their Preferred Shares Rights Agreement dated as of March 5, 2001 to better reflect the intent of the parties. Such change is as follows: in Section 1(a)(ii), "if, as of the Date hereof" has been changed to "if, as of the Record Date." Furthermore, changes have been made to the Certificate of Determination of Rights, Preferences and Privileges of Series A Participating Preferred Stock of Aehr Test Systems, attached as Exhibit A, in response to comments from the Secretary of State of California. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits. Exhibit 4.1 Preferred Shares Rights Agreement, dated as of March 5, 2001, between Aehr Test Systems and U.S. Stock Transfer Corporation, including the Certificate of Determination, the form of Rights Certificate and the Summary of Rights attached thereto as Exhibits A, B, and C, respectively. SIGNATURE 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. Aehr Test Systems (Registrant) Date: March 27, 2001 By: /S/ GARY L. LARSON ------------------------- Gary L. Larson Vice President of Finance and Chief Financial Officer EXHIBIT INDEX Exhibit Number - ------- 4.1 Preferred Shares Rights Agreement, dated as of March 5, 2001, between Aehr Test Systems and U.S. Stock Transfer Corporation, including the Certificate of Determination, the form of Rights Certificate and the Summary of Rights attached thereto as Exhibits A, B, and C, respectively.