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 30, 1998 WIND RIVER SYSTEMS, INC. (Exact name of registrant as specified in its charter) Delaware 0-21342 94-2873391 (State of jurisdiction) (Commission File No.) (IRS Employer Identification No.) 1010 Atlantic Avenue Alameda, CA 94501 (Address of principal executive offices and zip code) Registrant's telephone number, including area code: (510) 748-4100 Item 5. Other Events - -------------------------------------------------------------------------------- On January 30, 1998, Wind River Systems, Inc. (the "Company") acquired Objective Software Technology Limited (OST), based in Livingston, Scotland. See the Company's press release, dated February 2, 1998, titled "Wind River Systems, Inc. Acquires Objective Software Technology Ltd." attached hereto as Exhibit 99.1. Item 7. Financial Statements, Pro Forma Financial Information and Exhibits - -------------------------------------------------------------------------------- (c) Exhibits. Exhibit Number Description - --------- -------------- 99.1 Press Release, titled "Wind River Systems, Inc. Acquires Objective Software Technology Ltd.," dated February 2, 1998. 2. 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. WIND RIVER SYSTEMS, INC. Dated: February 6, 1998 By: /s/ Richard W. Kraber -------------------------------- Richard W. Kraber Chief Financial Officer 3. EXHIBIT INDEX Exhibit Number Description - --------- -------------- 99.1 Press Release, titled "Wind River Systems, Inc. Acquires Objective Software Technology Ltd.," dated February 2, 1998.