[Form 4] TERADYNE, INC Insider Trading Activity

Rhea-AI Filing Summary

Teradyne (TER) reported an insider equity transaction by its President and CEO, who is also a director. On November 5, 2025, the executive exercised a stock option for 2,072 shares at an exercise price of $36.75 (code M).

To cover the option exercise price and associated tax withholding, the issuer withheld 1,224 shares at a price of $177.05 (code F), as noted in the footnotes. Following these transactions, the reporting person beneficially owned 95,624.995 shares, held directly.

The option referenced vested 25% per year over four years beginning January 25, 2020.

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Securities law analyst

Routine Form 4: option exercise with share withholding; neutral impact.

The Teradyne President and CEO exercised an option for 2,072 shares at $36.75 on November 5, 2025 (code M). The company withheld 1,224 shares at $177.05 (code F) to satisfy the exercise price and tax obligations, per the footnote.

After the transactions, beneficial ownership stood at 95,624.995 shares, held directly. The option originally vested in four annual installments starting January 25, 2020. This filing documents standard equity compensation activity; cash-flow treatment beyond share withholding is not detailed in the excerpt.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Smith Gregory Stephen

(Last) (First) (Middle)

TERADYNE, INC.

600 RIVERPARK DRIVE

(Street)

NORTH READING MA 01864

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TERADYNE, INC [ TER ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
11/05/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/05/2025		M		2,072	A	$36.75	96,848.995	D
Common Stock	11/05/2025		F		1,224(1)	D	$177.05	95,624.995	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$36.75	11/05/2025		M(1)			2,072	(2)	01/25/2026	Common Stock	2,072	$0	0	D

Explanation of Responses:

1. Shares withheld by the Issuer to pay the exercise price of the stock option exercise reported in this Form 4 and to satisfy the Reporting Person's tax withholding obligations in connection with such exercise.

2. The option vested 25% per year over four years beginning on January 25, 2020, the first anniversary of its grant.

	/s/ Ryan E. Driscoll, Attorney-in-Fact	11/07/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did TER's CEO report on Form 4?

An option exercise for 2,072 shares at $36.75 (code M) on November 5, 2025, with 1,224 shares withheld at $177.05 (code F).

How many TER shares does the reporting person own after the transactions?

Beneficial ownership is 95,624.995 shares, held directly.

Why were 1,224 TER shares withheld?

They were withheld by the issuer to pay the option exercise price and satisfy tax withholding obligations.

What was the option’s vesting schedule?

The option vested 25% per year over four years beginning on January 25, 2020.

What do transaction codes M and F mean on the Form 4?

Code M indicates an option exercise. Code F indicates shares withheld to cover costs such as taxes.