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: August 15, 2000 Date of earliest event reported: August 10, 2000 ----------------------------- Maxygen, Inc. (Exact name of registrant as specified in its charter) Delaware (State of Incorporation) 000-28401 77-0449487 (Commission File No.) (I.R.S. Employer Identification No.) ----------------------------- 515 GALVESTON DRIVE REDWOOD CITY, CA 94063 (Address of principal executive offices, including zip code) ----------------------------- (650) 298-5300 (Registrant's telephone number, including area code) ---------------------------- Item 2. Acquisition or Disposition of Assets On August 10, 2000, Maxygen, Inc. ("Maxygen") completed the acquisition of ProFound Pharma A/S, a Danish corporation ("ProFound"). ProFound was acquired pursuant to an Exchange Agreement, dated as of April 12, 2000 (as amended by Amendment No. 1 thereto, dated as of July 31, 2000), by and among Maxygen, ProFound, Maxygen Holdings Ltd., a Cayman Islands corporation, and the shareholders of ProFound, pursuant to which all the equity interests of ProFound were exchanged for 1,102,578 shares of Maxygen common stock and options to purchase a total of 41,812 shares of Maxygen common stock. As a result of the acquisition ProFound became a wholly-owned subsidiary of Maxygen. The acquisition will be accounted for as a purchase. ProFound is a Danish biotechnology company focused on the development of improved second-generation protein pharmaceutical products. Maxygen intends to continue to use the assets acquired to conduct such business. Item 7. Financial Statements and Exhibits. (a) The required financial statements will be filed by amendment as soon as practicable. (b) The required pro forma financial information will be filed by amendment as soon as practicable. (c) Exhibits 2.1 Exchange Agreement, dated as of April 12, 2000 (the "Exchange Agreement"), by and among Maxygen, Inc., Maxygen Holdings Ltd., ProFound Pharma A/S ("ProFound") and the shareholders of ProFound 2.2 Amendment No. 1 to the Exchange Agreement, dated as of July 31, 2000, by and among Maxygen, Inc., Maxygen Holdings Ltd., ProFound and the shareholders of ProFound 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. Maxygen, Inc. Date: August 15, 2000 By: /s/ Michael Rabson --------------------------------- Michael Rabson General Counsel, Senior Vice President of Legal Affairs