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): January 13, 2000 ADAC LABORATORIES (Exact Name of Registrant as Specified in Charter) CALIFORNIA 0-9428 94-1725806 (State or Other (Commission (IRS Employer Jurisdiction of File Number) Identification No.) Incorporation) 540 Alder Drive, Milpitas, California 95035 - ------------------------------------------------------------------------------- (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code: (408) 321-9100 --------------------------- Not applicable - ------------------------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report) ITEM 5. OTHER EVENTS On January 13, 2000, ADAC Laboratories (the "Company") issued a press release announcing it had reached agreements-in-principle to settle the consolidated class action lawsuit pending against the Company and the related derivative litigation filed against current and former officers and directors of the Company. A copy of the press release is filed as Exhibit 99.1 and incorporated herein by reference. - 2 - ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS. (c) Exhibits 99.1 Press Release dated January 13, 2000. - 3 - SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ADAC LABORATORIES Dated: January 13, 2000 By: /s/ Neil J. Laird ---------------------------------- Neil J. Laird Chief Financial Officer