Results of Operations

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): January 25, 2017 TERADYNE, INC. (Exact Name of Registrant as Specified in Charter) Massachusetts 001-06462 04-2272148 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 600 Riverpark Drive, North Reading, MA 01864 (Address of Principal Executive Offices) (Zip Code) Registrant’s telephone number, including area code: (978) 370-2700 (Former Name or Former Address, if Changed Since Last Report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 2.02 Results of Operations and Financial Condition. On January 25, 2017, Teradyne, Inc. (“Teradyne”) issued a press release regarding its financial results for the fourth quarter ended December 31, 2016. Teradyne’s press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. Item 9.01 Financial Statements and Exhibits. (d) Exhibits. Exhibit Description 99.1 Press Release dated January 25, 2017. 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. TERADYNE, INC. Dated: January 26, 2017 By: / S / G REGORY R. B EECHER Name: Gregory R. Beecher Title: V.P., Chief Financial Officer and Treasurer Exhibit Index Exhibit No. Description 99.1 Press Release dated January 25, 2017.