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) May 21, 1998 ---------------- NEOTHERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 0-28782 93-0979187 ---------------------------- ------------ ------------------- (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 157 Technology Drive, Irvine, California 92618 ------------------------------------------------------------------ (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (949) 788-6700 -------------- Not Applicable ------------------------------------ (Former name or former address, if changed since last report) (Telephone area code changed from (714) to (949) ITEM 5. OTHER EVENTS Reference is made to the press releases issued to the public by the Registrant on May 21, 1998, the text of which are attached hereto as Exhibits 99.1 and 99.2, for a description of the events reported pursuant to this Form 8-K. ITEM 7. EXHIBITS EXHIBIT: -------- 99.1 PRESS RELEASE DATED MAY 21, 1998. 99.2 PRESS RELEASE DATED MAY 21, 1998. 99.3 PRESS RELEASE DATED MAY 21, 1998. 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 thereunto duly authorized. NEOTHERAPEUTICS, INC. Date: May 21, 1998 By: /s/ Samuel Gulko -------------------------- Samuel Gulko Chief Financial Officer 2 EXHIBIT INDEX EXHIBITS DESCRIPTION -------- ----------- 99.1 Press Release dated May 21, 1998 99.2 Press Release dated May 21, 1998 99.3 Press Release dated May 21, 1998 3