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 Event Reported): April 28, 1997 AGOURON PHARMACEUTICALS, INC. --------------------------------- (Exact name of registrant as specified in its charter) California 0-15609 33-0061928 -------------- ----------- ------------ (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification Number) 10350 North Torrey Pines Road 92037 La Jolla, California --------------------------------------------------------------------------- (Address of principal executive offices) Zip Code (619) 622-3000 ---------------------------------------------------------------------------- (Registrant's telephone number, including area code) Item 5. Other Events. On April 28, 1997, the Registrant signed a definitive agreement to acquire Alanex Corporation, a privately held drug discovery company, for 1,000,000 shares of newly issued Agouron common stock. The transaction is expected to close in approximately thirty (30) days. See the Press Release attached as Exhibit 99.2. Item 7. Financial Statements and Exhibits. (c) Exhibits. Exhibit Number 99.2 Form of Press Release dated April 29, 1997. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: May 2, 1997 AGOURON PHARMACEUTICALS, INC. By /s/ Peter Johnson ---------------------------- Peter Johnson President and Chief Executive Officer EXHIBIT INDEX Exhibit No. Description 99.2 Form of Press Release dated April 29, 1997.