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): JUNE 11, 1998 ------------- UNITED HEALTHCARE CORPORATION ----------------------------- (Exact name of registrant as specified in its charter) MINNESOTA 0-10864 41-1321939 --------- ------- ---------- (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 300 OPUS CENTER 9900 BREN ROAD EAST MINNETONKA, MN 55343 -------------- ----- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (612) 936-1300 -------------- N/A (Former name or former address, if changed since last report) Item 5. Other Events On June 11, 1998, United HealthCare Services, Inc., a subsidiary of United HealthCare Corporation ("United HealthCare") and HealthPartners of Arizona, Inc. ("HealthPartners") issued a press release announcing that United HealthCare and HealthPartners have reached a definitive agreement under which United HealthCare will acquire HealthPartners. The preceding is qualified in its entirety by reference to the press release, which is attached hereto as an Exhibit and incorporated by reference herein. Item 7. Exhibits. 99 Text of Press Release, dated June 11, 1998, issued by United HealthCare and HealthPartners. 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. UNITED HEALTHCARE CORPORATION By /s/ David J. Lubben -------------------------------------------- David J. Lubben General Counsel and Secretary Date: June 12, 1998 2 EXHIBIT INDEX Exhibit Number Description - -------------- ----------- 99 Text of Press Release, dated June 11, 1998, issued by United HealthCare and HealthPartners. 3