Regan Mills - 04 Feb 2026 Form 4 Insider Report for TERADYNE, INC (TER)

Role: President, Product Test
Signature: /s/ Ryan E. Driscoll, Attorney-in-Fact
Issuer symbol: TER
Transactions as of: 04 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 06 Feb 2026, 16:58:37 UTC
Previous filing: 04 Feb 2026
Next filing: 27 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mills Regan	President, Product Test	C/O TERADYNE, INC., 600 RIVERPARK DRIVE, NORTH READING	/s/ Ryan E. Driscoll, Attorney-in-Fact	06 Feb 2026	0002062527

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TER	Common Stock	Award	$0	+1,004	+8.6%	$0.000000	12,677	04 Feb 2026	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TER	Stock Option (Right to Buy)	Award	$0	+886		$0.000000	886	04 Feb 2026	Common Stock	886	$269.07	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs will vest in four equal annual installments beginning on February 4, 2027, the first anniversary of the grant.
F2	The option vests 25% per year over four years beginning on February 4, 2027, the first anniversary of the grant.