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 November 29, 1994 (Date of earliest event reported) (November 17, 1994) Synergen, Inc. (Exact name of registrant as specified in its charter) Delaware 0-14439 84-0868248 (State or other juris- (Commission (I.R.S. Employer diction of incorporation) File No.) Identification No.) 1885 33rd Street, Boulder, Colorado 80301 Address of principal executive officers (Zip code) Registrant's telephone number including area code: (303) 938-6242 Item 5. Other events. On November 17, 1994, Synergen, Inc. ("Synergen") and Amgen Inc. ("Amgen") entered into a definitive agreement through which Amgen will acquire Synergen. Under the merger agreement, Amgen will commence a cash tender offer for all outstanding shares of Synergen common stock for $9.25 per share. Any shares not purchased in the offer will be acquired for the same price in cash, in a second-step merger. (See press release filed as Exhibit 1 to this report.) Item 7. Financial Statements and Exhibits 1. Press release dated November 18, 1994 issued jointly by Amgen Inc. and Synergen, Inc. 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 thereunto duly authorized. SYNERGEN, INC. November 29, 1994 Kenneth J. Collins Executive Vice President, Finance and Administration