As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 5/13/24  Tamer Ford                        4          Director²   1:6K   Teradyne, Inc.                    Ropes & Gray LLP         
 5/13/24  van Kralingen Bridget A           4          Director²   1:5K   Teradyne, Inc.                    Ropes & Gray LLP         
 5/13/24  Maddock Ernest E                  4          Director²   1:5K   Teradyne, Inc.                    Ropes & Gray LLP         
 5/13/24  Herweck Peter                     4          Director²   1:5K   Teradyne, Inc.                    Ropes & Gray LLP         
 5/13/24  Matz Marilyn                      4          Director²   1:5K   Teradyne, Inc.                    Ropes & Gray LLP         
 5/13/24  Tufano Paul J                     4          Director²   1:5K   Teradyne, Inc.                    Ropes & Gray LLP         
 5/13/24  Johnson Mercedes                  4          Director²   1:5K   Teradyne, Inc.                    Ropes & Gray LLP         
 5/10/24  Teradyne, Inc.                    8-K:5,9      5/9/24   11:193K                                   Donnelley … Solutions/FA 
  5/8/24  Johnson Mercedes                  4          Director²   1:4K   Teradyne, Inc.                    Ropes & Gray LLP         
  5/7/24  Mehta Sanjay                      4          Officer²    1:7K   Teradyne, Inc.                    Ropes & Gray LLP         
  5/6/24  Teradyne, Inc.                    SD           1/1/23    2:49K                                    Donnelley … Solutions/FA 
  5/6/24  Johnson Mercedes                  144                    1:5K   Teradyne, Inc.                    Fidelity Brokera… LLC/FA 
  5/3/24  Teradyne, Inc.                    10-Q        3/31/24  110:15M                                    Donnelley … Solutions/FA 
  5/3/24  Mehta Sanjay                      144                    1:4K   Teradyne, Inc.                    Fidelity Brokera… LLC/FA 
 4/25/24  Teradyne, Inc.                    8-K:2,9     4/24/24    9:835K                                   Donnelley … Solutions/FA 
  4/3/24  Teradyne, Inc.                    ARS        12/29/23    1:658K                                   Donnelley … Solutions/FA 
  4/1/24  Herweck Peter                     4          Director²   1:4K   Teradyne, Inc.                    Ropes & Gray LLP         
  4/1/24  Tufano Paul J                     4          Director²   1:4K   Teradyne, Inc.                    Ropes & Gray LLP         
 3/29/24  Teradyne, Inc.                    ARS        12/31/23    1:6.4M                                   Donnelley … Solutions/FA 
 3/29/24  Teradyne, Inc.                    DEFA14A                1:317K                                   Donnelley … Solutions/FA 

____________
¹	Filing/Form Types:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	10-Q	Quarterly Report — Form 10-Q.
	144	Notice of a Proposed Sale of Securities by an Insider — Form 144 { The Filer is an Insider² of the Issuer }.
	ARS	Annual Report to Security Holders.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
	SD	Specialized Disclosure Report re: the Use of Conflict Minerals — Form SD.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.