1 ================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ---------------------------------- FORM 8-K/A CURRENT REPORT FILED PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): NOVEMBER 12, 1998 ARONEX PHARMACEUTICALS, INC. (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 0-20111 76-0196535 (STATE OR OTHER JURISDICTION OF (COMMISSION FILE NUMBER) (I.R.S. EMPLOYER IDENTIFICATION NO.) INCORPORATION OR ORGANIZATION) 8707 TECHNOLOGY FOREST PLACE THE WOODLANDS, TEXAS 77381-1191 (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES AND ZIP CODE) (281) 367-1666 (REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE) ---------------------------------- ================================================================================ 2 EXPLANATORY NOTE This amendment on Form 8-K/A is being filed solely for the purpose of amending Exhibits 10.1 and 10.2 of the Form 8-K filed on December 2, 1998 ("December 8-K"). The disclosure made in Item 5 of the December 8-K will remain unchanged as a result of this amendment. Item 7. Exhibits *Exhibit 10.1 -- License Agreement, dated November 12, 1998, between Abbott Laboratories and Aronex Pharmaceuticals, Inc. *Exhibit 10.2 -- Stock Purchase Agreement, dated November 12, 1998, between Abbott Laboratories and Aronex Pharmaceuticals, Inc. *Confidential treatment has been requested for portions of the referenced agreement. The copy filed as an exhibit omits the information subject to the confidentiality request. -2- 3 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. Aronex Pharmaceuticals, Inc. Date: February 11, 1999 By: /s/ Geoffrey F. Cox, Ph.D. ----------------------------------- Geoffrey F. Cox, Ph.D. Chairman of the Board and Chief Executive Officer -3- 4 EXHIBIT INDEX Exhibit 10.1 -- License Agreement, dated November 12, 1998, between Abbott Laboratories and Aronex Pharmaceuticals, Inc. Exhibit 10.2 -- Stock Purchase Agreement, dated November 12, 1998, between Abbott Laboratories and Aronex Pharmaceuticals, Inc.