Teradyne (TER) director gains 52 deferred stock units as compensation

Rhea-AI Filing Summary

Teradyne, Inc. director Henry Andrew Chisholm reported a routine compensation-related transaction in the form of deferred stock units. On the reported date, he acquired 52 units of Common Stock at no cash cost as a grant or award, reflecting his deferral of quarterly cash compensation into deferred stock units. Following this transaction, he directly holds 2,927 shares or units tied to Common Stock. The deferred stock units are calculated based on the closing price on their issuance date and are generally settled one-for-one in Common Stock within ninety days after he stops serving as a non-employee director.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Henry Andrew Chisholm

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	52	$0.00	--

Holdings After Transaction: Common Stock — 2,927 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares acquired: 52 shares Post-transaction holdings: 2,927 shares Price per share: $0.0000 per share +1 more

4 metrics

Shares acquired 52 shares Grant/award acquisition of Common Stock via deferred stock units

Post-transaction holdings 2,927 shares Total direct ownership of Common Stock after the grant

Price per share $0.0000 per share Compensation-related grant with no cash consideration

Settlement timing Within ninety days DSUs settled in Common Stock after director no longer serves

Key Terms

deferred stock units, DSUs, Common Stock, non-employee director

4 terms

deferred stock units financial

"Represents the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs")."

Deferred stock units are promises from a company to give an employee shares of stock at a future date, often after certain conditions are met or after leaving the company. They function like a form of delayed compensation, allowing employees to earn shares over time. For investors, they represent potential future ownership in the company, but do not provide immediate voting rights or dividends until the shares are actually received.

DSUs financial

"The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance."

DSUs, or Deferred Share Units, are a form of long-term pay where employees or directors receive a promise of company shares or cash at a later date instead of immediate salary. Think of them as an IOU for future stock that vests over time and converts into actual shares or cash, so they matter to investors because they can increase the number of outstanding shares (dilution) and reveal how management’s pay is tied to company performance.

Common Stock financial

"The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

non-employee director financial

"DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity."

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/29/2026 - 05:14 PM Accepted by SEC EDGAR 06/29/2026 - 05:13 PM 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^*

Henry Andrew Chisholm

(Last) (First) (Middle)

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)
06/25/2026

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	06/25/2026		A		52(1)	A	$0(1)	2,927	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 the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs"). The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance. DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

	/s/ Ryan E. Driscoll, Attorney-in-Fact	06/29/2026
	** 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)

FAQ

What insider transaction did Teradyne (TER) director Henry Chisholm report?

Henry Andrew Chisholm reported acquiring 52 shares of Teradyne Common Stock through a grant of deferred stock units. This reflects his decision to take part of his quarterly director cash compensation in stock-linked form instead of cash, as disclosed in the filing’s footnote.

How many Teradyne (TER) shares does Henry Chisholm hold after this Form 4?

After this transaction, Henry Andrew Chisholm holds 2,927 shares or units tied to Teradyne Common Stock directly. This updated figure includes the 52 deferred stock units credited in lieu of cash compensation, according to the reported post-transaction ownership total.

What are deferred stock units (DSUs) in the Teradyne (TER) director filing?

Deferred stock units are bookkeeping entries that track future rights to Teradyne Common Stock. In this case, DSUs arise from deferring quarterly cash compensation and are calculated using the stock’s closing price on the issuance date, then settled in actual shares after board service ends.

When will Teradyne (TER) deferred stock units for Henry Chisholm be settled?

The deferred stock units will generally be settled one-for-one in Teradyne Common Stock within ninety days after Henry Andrew Chisholm no longer serves as a non-employee director. This timing is specified in the footnote describing the director compensation deferral arrangement.

Did Henry Chisholm buy Teradyne (TER) shares on the open market in this Form 4?

No, the Form 4 shows a grant or award acquisition, not an open-market purchase. The 52 units result from deferring his quarterly director cash compensation into deferred stock units, which carry no transaction price and are part of his compensation program.