Teradyne shareholder plans $1.35M stock sale

Gregory Stephen Smith filed a Rule 144 notice to sell 4,000 TERADYNE common shares arising from restricted stock vesting.

Rhea-AI Filing Summary

TERADYNE, INC (TER) is the issuer of common stock that Gregory Stephen Smith plans to sell under Rule 144. The notice covers a proposed sale of 4,000 shares through Fidelity Brokerage Services LLC, with an indicated aggregate market value of $1,351,320 and 156,340,750 shares outstanding as context.

The securities to be sold arise from restricted stock vesting on January 27, 2026 and are described as compensation from the issuer. The filing also lists prior Rule 144 sales of 4,000 shares each on June 15, July 15, and August 17, 2026, with respective aggregate values reported for each transaction.

Key Figures

Planned shares to be sold: 4,000 shares Aggregate market value of planned sale: $1,351,320 Shares outstanding: 156,340,750 shares +4 more

7 metrics

Planned shares to be sold 4,000 shares Common stock to be sold under Rule 144

Aggregate market value of planned sale $1,351,320 Value associated with the 4,000 shares proposed for sale

Shares outstanding 156,340,750 shares Common shares outstanding referenced in the notice

Restricted stock vesting date January 27, 2026 Date tied to the 4,000 compensation shares to be sold

Sale on June 15, 2026 4,000 shares for $1,692,120 Common stock sold by Gregory S. Smith during prior 3 months

Sale on July 15, 2026 4,000 shares for $1,425,240 Common stock sold by Gregory S. Smith during prior 3 months

Sale on August 17, 2026 4,000 shares for $1,700,000 Common stock sold by Gregory S. Smith during prior 3 months

Key Terms

Rule 144, Restricted Stock Vesting, attorney-in-fact

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Common | 01/27/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

attorney-in-fact regulatory

"as attorney-in-fact for Gregory Smith"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

What does the Form 144 filing for TER indicate about planned stock sales?

The Form 144 notice reports that Gregory Stephen Smith intends to sell 4,000 shares of TERADYNE, INC. common stock through Fidelity Brokerage Services LLC, with an indicated aggregate market value of $1,351,320 at the time of the notice.

How many TER (TERADYNE, INC.) shares are covered by this Form 144?

The filing covers a proposed sale of 4,000 shares of TERADYNE, INC. common stock. These shares are linked to restricted stock vesting on January 27, 2026 and are characterized as compensation from the issuer.

What prior sales of TER shares by Gregory Stephen Smith are disclosed?

The filing lists three prior sales of TERADYNE common stock by Gregory S. Smith: 4,000 shares on June 15, 2026 for $1,692,120, 4,000 shares on July 15, 2026 for $1,425,240, and 4,000 shares on August 17, 2026 for $1,700,000.

What is the reported market value and share base for the planned TER sale?

For the planned sale of 4,000 TER shares, the notice shows an aggregate market value of $1,351,320 and states there are 156,340,750 shares outstanding, which serves as a contextual share base figure.

How were the TER shares that Gregory Stephen Smith plans to sell obtained?

The shares are identified as restricted stock vesting from TERADYNE, INC. on January 27, 2026, and the transaction type is described as Compensation, indicating they were received as part of an issuer compensation arrangement.

Who is handling the planned Rule 144 sale of TERADYNE shares?

The planned sale of TERADYNE common stock is indicated to be through Fidelity Brokerage Services LLC, with the Form 144 signed by Daniel Tucci as a duly authorized representative and attorney-in-fact for Gregory Smith.

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

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Available on EDGAR 09/15/2026 - 09:46 AM Accepted by SEC EDGAR 09/15/2026 - 09:45 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001666934
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	TERADYNE, INC
SEC File Number	001-06462
Address of Issuer	600 RIVERPARK DRIVE NORTH READING MASSACHUSETTS 01864
Phone	978-370-2700
Name of Person for Whose Account the Securities are To Be Sold	Smith Gregory Stephen
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	4000	1351320.00	156340750	09/15/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/27/2026	Restricted Stock Vesting	Issuer			4000	01/27/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Gregory S. Smith 600 Riverpark Drive North Reading MA 01864	Common	06/15/2026	4000	1692120.00
Gregory S. Smith 600 Riverpark Drive North Reading MA 01864	Common	07/15/2026	4000	1425240.00
Gregory S. Smith 600 Riverpark Drive North Reading MA 01864	Common	08/17/2026	4000	1700000.00

144: Remarks and Signature

Remarks
Date of Notice	09/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/12/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Gregory Smith
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)