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) June 28, 1996 TELLABS, INC. (Exact name of registrant as specified in charter) Delaware 0-9692 36-3831568 (State or other jurisdiction (Commission (IRS employer of incorporation) file number) identification no.) 4951 Indiana Avenue, Lisle, Illinois 60532 (Address of principal executive office) (Zip Code) Registrant's telephone number, including area code (708) 969-8800 N/A (Former name or former address, if changed since last report) Item 5. Other Events On June 28, 1996, the Registrant signed an agreement to acquire the SONET product line from TRANSYS Networks Inc., a privately held company. Further details of this action are contained in the press release of the Registrant dated July 1, 1996 attached hereto as Exhibit 20.2 and incorporated herein by reference. SIGNATURES Pursuant to the requirements of the Securities Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. TELLABS, INC. Date: July 3, 1996 By: s\ Carol Coghlan Gavin Carol Coghlan Gavin General Counsel and Secretary Item 7. Financial Statements and Exhibits (c) Exhibits Exhibit 20.2 Press Release of Tellabs, Inc. dated July 1, 1996