UNITED STATES 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): February 17, 2004 Bone Care International, Inc. (Exact Name of Registrant as Specified in Its Charter) Wisconsin 0-27854 39-1527471 (State or Other Jurisdiction (Commission (IRS Employer of Incorporation) File Number) Identification No.) 1600 Aspen Commons, Suite 300 Middleton, Wisconsin 53719 (Address of Principal Executive Offices) (Zip Code) (608) 662-7800 (Registrant's Telephone number, including area code) N/A (Former Name or Former Address, if Changed Since Last Report) ITEM 5. OTHER EVENTS. On February 17, 2004 the Company issued a press release, a copy of which is filed Exhibit 99.1. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS. (c) Exhibits: 99.1 Press Release issued by the Company. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has fully cased this report to be signed on its behalf by the undersigned, thereunto duly authorized. BONE CARE INTERNATIONAL, INC. Date: February 17, 2004 By: /s/ Brian J. Hayden ---------------------------- Brian J. Hayden VP Finance 3 EXHIBIT INDEX The following exhibits are filed herewith: Exhibit No. Description ----------- ----------- 99.1 Press Release issued by the Company 4