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): October 28, 2025

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))

Securities registered pursuant to Section 12(b) of the Act:

     Title of each class

     Trading
Symbol(s)

     Name of each exchange
on which registered

     Common Stock, par value $0.125 per share

     TER

     Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On October 28, 2025, Teradyne, Inc. (“Teradyne”) issued a press release regarding its financial results for the third quarter ended September 28, 2025. 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 October 28, 2025.

104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

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: October 29, 2025

/s/ SANJAY MEHTA

Sanjay Mehta

Vice President, Chief Financial Officer and Treasurer

TERADYNE, INC 8-K