1 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): OCTOBER 8, 2001 MRV COMMUNICATIONS, INC. (NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 06-1340090 (STATE OR OTHER JURISDICTION OF (I.R.S. EMPLOYER INCORPORATION OR ORGANIZATION) IDENTIFICATION NUMBER) 20415 NORDHOFF STREET CHATSWORTH, CA 91311 (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE) ISSUER'S TELEPHONE NUMBER: (818) 773-0900 (FORMER NAME OR FORMER ADDRESS, IF CHANGED SINCE LAST REPORT) 2 Item 5. Other Events On October 8, 2001, registrant and Luminent, Inc., registrant's 92.3% owned subsidiary, jointly issued a press release announcing that registrant had established an exchange ratio for the previously announced short-form merger of Luminent. A copy of that press release is attached as Exhibit 99.1 to this Form 8-K and is incorporated herein by reference. 3 Item 7. Financial Statements and Exhibits (c) Exhibits 99.1 Press Release dated October 8, 2001. 4 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. Date: October 8, 2001 MRV COMMUNICATIONS, INC. By: /s/ NOAM LOTAN ------------------------- Noam Lotan President and Chief Executive Officer