1 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) JULY 19, 2001 ------------------------------ MERCK & CO., INC. -------------------------------------------------------------------------------- (Exact Name of Registrant as Specified in Its Charter) NEW JERSEY -------------------------------------------------------------------------------- (State or Other Jurisdiction of Incorporation) 1-3305 22-1109110 ----------------------------------- ------------------------------------ (Commission File Number) (I.R.S. Employer Identification No.) ONE MERCK DRIVE, PO BOX 100, WHITEHOUSE STATION, NJ 08889-0100 -------------------------------------------------------------------------------- (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code (908) 423-1000 --------------------------- 2 ITEM 5. OTHER EVENTS Incorporated by reference is a press release issued by the Registrant on July 19, 2001, attached as Exhibit 99, concerning the Registrant's announcement that it has completed its acquisition of Rosetta Inpharmatics, Inc. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) EXHIBITS Exhibit 99 Press release issued Filed with July 19, 2001 this document 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. MERCK & CO., Inc. Date: July 19, 2001 By: /S/ DEBRA A. BOLLWAGE ------------------------------ DEBRA A. BOLLWAGE Assistant Secretary 3 EXHIBIT INDEX Exhibit Number Description ------ ------------ 99 Press release issued July 19, 2001