Teradyne (TER) counsel sells 680 pre-planned shares at $377.60

Rhea-AI Filing Summary

TERADYNE, INC VP and General Counsel Ryan Driscoll sold 680 shares of common stock in an open-market transaction. The sale occurred on May 7, 2026 at a price of $377.60 per share. After this transaction, he directly holds 7,665.3054 shares. The filing notes the sale was made under a pre-arranged sales plan adopted on February 6, 2026 intended to comply with Rule 10b5-1, indicating the timing was set in advance.

Insider Trade Summary 10b5-1

Net Seller: 680 shares ($256,768)

Net Sell 1 txn

Insider Driscoll Ryan

Role VP, General Counsel, Secretary

Sold 680 shs ($257K)

Type	Security	Shares	Price	Value
Sale	Common Stock	680	$377.60	$257K

Holdings After Transaction: Common Stock — 7,665.305 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 680 shares Sale price: $377.60 per share Shares held after transaction: 7,665.3054 shares +1 more

4 metrics

Shares sold 680 shares Open-market sale on May 7, 2026

Sale price $377.60 per share Common stock transaction

Shares held after transaction 7,665.3054 shares Direct holdings after May 7, 2026 sale

10b5-1 plan adoption date February 6, 2026 Pre-arranged sales plan for this transaction

Key Terms

Rule 10b5-1, open-market sale, sales plan, Form 4

4 terms

Rule 10b5-1 regulatory

"intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

sales plan financial

"The shares were sold pursuant to a sales plan adopted by the Reporting Person"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

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).

X

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^*

Driscoll Ryan

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, General Counsel, Secretary

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026

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	05/07/2026		S(1)		680	D	$377.6	7,665.3054	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. The shares were sold pursuant to a sales plan adopted by the Reporting Person on February 6, 2026 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

	/s/ Ryan E. Driscoll	05/11/2026
	** 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) report for Ryan Driscoll?

TERADYNE reported that VP and General Counsel Ryan Driscoll sold 680 shares of common stock. The shares were sold in an open-market transaction under a pre-arranged Rule 10b5-1 plan, providing a structured approach to his share disposition.

At what price did Ryan Driscoll sell TER (Teradyne) shares?

Ryan Driscoll sold 680 TERADYNE common shares at $377.60 per share. This was an open-market sale recorded in a Form 4 filing, giving investors precise pricing details for this particular insider transaction.

How many TERADYNE (TER) shares does Ryan Driscoll hold after the sale?

After the reported sale, Ryan Driscoll directly holds 7,665.3054 TERADYNE common shares. This post-transaction balance comes from the Form 4 disclosure and shows his remaining direct equity stake following the 680-share open-market sale.

Was Ryan Driscoll’s TERADYNE share sale under a Rule 10b5-1 plan?

Yes. The filing states the shares were sold under a sales plan adopted on February 6, 2026 intended to comply with Rule 10b5-1. Such plans pre-schedule transactions, reducing the significance of short-term market timing.

What role does Ryan Driscoll hold at TERADYNE (TER)?

Ryan Driscoll is TERADYNE’s Vice President, General Counsel, and Secretary. As a senior officer, his equity transactions are reported on Form 4, providing transparency into his trading activity in the company’s common stock.