Teradyne insider plans sale of 166 common shares

Teradyne, Inc. insider Mercedes Johnson filed a Form 144 covering a proposed resale of 166 shares of common stock through Fidelity Brokerage Services LLC on or after August 3, 2026 on NASDAQ, with an indicated value of $59,452.90.

Rhea-AI Filing Summary

Teradyne, Inc. insider Mercedes Johnson filed a Form 144 covering a proposed resale of 166 shares of common stock through Fidelity Brokerage Services LLC on or after August 3, 2026 on NASDAQ, with an indicated value of $59,452.90.

The shares derive from restricted stock vesting on May 10, 2016 as compensation. The filing also lists prior sales in the last three months of 167 shares on June 2, 2026 for $61,746.58 and 167 shares on July 1, 2026 for $76,820.00.

Key Figures

Shares proposed for sale: 166 shares Proposed sale value: $59,452.90 Sale date: 08/03/2026 +3 more

6 metrics

Shares proposed for sale 166 shares Common stock to be sold through Fidelity on or after August 3, 2026

Proposed sale value $59,452.90 Aggregate value for 166 shares of common stock

Sale date 08/03/2026 Intended NASDAQ transaction date for proposed sale

Prior sale 1 167 shares for $61,746.58 Common stock sold on June 2, 2026

Prior sale 2 167 shares for $76,820.00 Common stock sold on July 1, 2026

Acquisition date 05/10/2016 Restricted stock vesting date for the securities

Key Terms

Form 144, restricted stock vesting, compensation

3 terms

Form 144 regulatory

"Mercedes Johnson filed a Form 144 covering a proposed resale"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

restricted stock vesting financial

"Common | 05/10/2016 | 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.

compensation financial

"05/10/2016 | Restricted Stock Vesting | Issuer | | | 166 | 05/10/2016 | Compensation"

FAQ

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

What does the TER Form 144 filed by Mercedes Johnson disclose?

The filing discloses that Mercedes Johnson plans to resell 166 shares of Teradyne common stock through Fidelity, linked to restricted stock vesting, and lists two prior sales of 167 shares each in the past three months.

How many TER shares are proposed to be sold under this Form 144?

The Form 144 covers a proposed sale of 166 shares of Teradyne common stock. These shares are to be sold through Fidelity Brokerage Services LLC on or after August 3, 2026, subject to Rule 144 conditions.

What is the stated value of the TER shares in the new proposed sale?

The 166 Teradyne shares in the proposed sale are valued at $59,452.90. This value represents the aggregate dollar amount associated with the planned NASDAQ resale described in the Form 144 filing.

What prior sales of TER stock does the Form 144 list for the last 3 months?

The filing lists two prior Teradyne stock sales: 167 shares for $61,746.58 on June 2, 2026 and 167 shares for $76,820.00 on July 1, 2026, both attributed to Mercedes Johnson.

What is the origin of the TER shares being sold under this Form 144?

The shares come from restricted stock vesting on May 10, 2016, received as compensation from the issuer. This vesting event is identified as the acquisition method for the securities now covered by the Form 144.

On which market are the TER shares under this Form 144 expected to trade?

The Form 144 indicates that the Teradyne common stock covered by the filing is to be sold on the NASDAQ market, using Fidelity Brokerage Services LLC as the broker for the proposed transaction.

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

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Available on EDGAR 08/03/2026 - 03:46 PM Accepted by SEC EDGAR 08/03/2026 - 03:46 PM 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	0001225110
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	JOHNSON MERCEDES
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	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	166	59452.90	156340750	08/03/2026	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	05/10/2016	Restricted Stock Vesting	Issuer			166	05/10/2016	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
Mercedes Johnson 600 Riverpark Drive North Reading MA 01864	Common	06/02/2026	167	61746.58
Mercedes Johnson 600 Riverpark Drive North Reading MA 01864	Common	07/01/2026	167	76820.00

144: Remarks and Signature

Remarks
Date of Notice	08/03/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/04/2026
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/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Mercedes Johnson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)