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 8, 2000 ----------------- CONCENTRA OPERATING CORPORATION - -------------------------------------------------------------------------------- (Exact Name of Registrant as Specified in Charter) Nevada 001-15699 75-2822620 - -------------------------------------------------------------------------------- (State or Other Jurisdiction (Commission (I.R.S. Employer of Incorporation) File Number) Identification No.) 312 Union Wharf, Boston, Massachusetts 02109 - -------------------------------------------------------------------------------- (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code (617)367-2163 ------------- Not applicable - -------------------------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report) Item 5. Other Events. On February 8, 2000, the Company issued a press relaease with respect to financial results for the fourth quarter of 1999. The press release is attached hereto as Exhibit 99.1 and incorporated herein by reference. Item 7. Financial Statements, Pro Forma Financial Information and Exhibits. (c) Exhibits. 99.1 Press Release, dated February 8, 2000. 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. CONCENTRA OPERATING CORPORATION By: /s/ RICHARD A. PARR II --------------------------- Richard A. Parr II Executive Vice President and General Counsel Date: February 17, 2000 EXHIBIT INDEX Sequentially Exhibit Numbered Number Exhibit Page - ------- ------- ------------ 99.1 Press Release, dated February 8, 2000. 6