1 UNITED STATES 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): FEBRUARY 25, 1998 TECHNICLONE CORPORATION (Exact name of Registrant as specified in charter) DELAWARE 0-17085 95-3698422 (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 14282 FRANKLIN AVENUE, TUSTIN, CALIFORNIA 92780-7017 (Address of principal executive offices) (Zip code) Registrant's telephone number, including area code: (714) 838-0500 NOT APPLICABLE (Former name or former address, if changed, since last report) Page 1 of 3 Pages 2 ITEM 5 OTHER EVENTS On March 5, 1998, the Company announced that Lon H. Stone resigned his position as President and Chief Executive Officer of the Company, effective March 2, 1998. The resignation was not due to any disagreement with the Company on any matter relating to the Company's operations, policies or practices. An oversight committee consisting of Techniclone board members will act in place of the President and Chief Executive Officer to manage day-to-day operations on an interim basis until a successor can be hired. Notwithstanding, Mr. Stone will continue to serve as Chairman of the Board of Directors of the Company. ITEM 6 RESIGNATIONS OF REGISTRANT'S DIRECTORS On March 3, 1998, the Company announced that Marc E. Lippman, M.D. resigned as a director of the Company, effective February 25, 1998. The resignation was not due to any disagreement with the Company on any matter relating to the Company's operations, policies or practices. ITEM 7 FINANCIAL STATEMENTS AND EXHIBITS No financial statements or exhibits are required as part of this report. Page 2 of 3 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. TECHNICLONE CORPORATION Date: March 9, 1998 By: /s/ William V. Moding ----------------------------------- William V. Moding, Chief Financial Officer Page 3 of 3