Teradyne director granted 668 RSUs in Form 4

MATZ MARILYN reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

MATZ MARILYN reported acquisition or exercise transactions in this Form 4 filing.

Teradyne director Marilyn Matz reported a stock-based compensation grant. On May 8, 2026, she received 668 restricted stock units (RSUs), each representing one share of Teradyne common stock, at no cash cost as a grant or award. These time-based RSUs vest in full on the earlier of May 8, 2027 or the company’s 2027 Annual Meeting of Shareholders. Following this award, Matz’s directly held common stock position reported in the filing is 19,840.675 shares. This is a routine equity compensation grant rather than an open-market purchase.

Insider Trade Summary

Grant/Award: 668 shares

Grant/Award 1 txn

Insider MATZ MARILYN

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	668	$0.00	$0.00

Holdings After Transaction: Common Stock — 19,840.675 shares (Direct)

Footnotes (1)

1. 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 are time-based, and will vest in full on the earlier of May 8, 2027 or the date of the Issuer's 2027 Annual Meeting of Shareholders.

Key Figures

RSUs granted: 668 restricted stock units Grant price: $0.0000 per share Holdings after transaction: 19,840.675 shares +1 more

4 metrics

RSUs granted 668 restricted stock units Grant to director Marilyn Matz on May 8, 2026

Grant price $0.0000 per share Indicates stock-based compensation award, not purchase

Holdings after transaction 19,840.675 shares Direct Teradyne common stock holdings after RSU grant

RSU vesting date Earlier of May 8, 2027 or 2027 Annual Meeting Time-based vesting schedule for the 668 RSUs

Key Terms

restricted stock units ("RSUs"), 2006 Equity and Cash Compensation Incentive Plan, time-based, Annual Meeting of Shareholders

4 terms

restricted stock units ("RSUs") financial

"Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

2006 Equity and Cash Compensation Incentive Plan financial

"granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan."

time-based financial

"The RSUs are time-based, and will vest in full on the earlier of May 8, 2027 or the date of the Issuer's 2027 Annual Meeting of Shareholders."

Annual Meeting of Shareholders financial

"on the earlier of May 8, 2027 or the date of the Issuer's 2027 Annual Meeting of Shareholders."

A yearly gathering where a company’s owners (shareholders) vote on key items like electing the board, approving executive pay, and ratifying auditors, and receive updates on performance and strategy. Think of it as an annual town hall for owners: it matters to investors because outcomes and disclosures can affect leadership, corporate direction, dividend and governance policies, and therefore the company’s risk and potential return.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Marilyn Matz report in her latest Form 4 for TER?

Director Marilyn Matz reported receiving 668 restricted stock units of Teradyne common stock as a stock-based compensation award. The RSUs were granted at no cash cost and increase her reported direct holdings to 19,840.675 shares of Teradyne common stock after the transaction.

How many Teradyne RSUs were granted to Marilyn Matz and when do they vest?

Marilyn Matz received 668 restricted stock units tied to Teradyne common stock. These RSUs are time-based and will vest in full on the earlier of May 8, 2027 or the date of Teradyne’s 2027 Annual Meeting of Shareholders, according to the Form 4 footnote disclosure.

Was Marilyn Matz’s recent Teradyne Form 4 transaction an open-market stock purchase?

No. The Form 4 shows a grant of 668 restricted stock units to Marilyn Matz as compensation, not an open-market purchase. The transaction code "A" and a zero dollar price indicate a grant or award acquisition rather than buying shares on the open market.

What are Marilyn Matz’s Teradyne share holdings after this RSU grant?

After the reported grant, Marilyn Matz’s directly held Teradyne common stock position shown in the Form 4 totals 19,840.675 shares. This figure reflects her holdings immediately following the award of 668 restricted stock units that each correspond to one share of common stock.

Under which plan were Marilyn Matz’s Teradyne RSUs granted?

The 668 restricted stock units were granted under Teradyne’s 2006 Equity and Cash Compensation Incentive Plan. The Form 4 footnote explains that each RSU represents the right to receive one share of Teradyne common stock, subject to time-based vesting conditions tied to 2027.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/12/2026 - 05:23 PM EDT Learn about SEC filing dates

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^*

MATZ MARILYN

(Last) (First) (Middle)

C/O TERADYNE, INC.

600 RIVERPARK DRIVE

(Street)

NORTH READING MASSACHUSETTS 01864

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/08/2026

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

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

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

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	05/08/2026		A		668(1)	A	$0	19,840.675	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

Explanation of Responses:

1. 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 are time-based, and will vest in full on the earlier of May 8, 2027 or the date of the Issuer's 2027 Annual Meeting of Shareholders.

	/s/ Ryan E. Driscoll, Attorney-in-Fact	05/12/2026
	** 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.
* Form 4: SEC 1474 (03-26)