TER Form 144: 1,108 shares from restricted vesting to be sold on 10/10/2025

Rhea-AI Filing Summary

Teradyne, Inc. filing a Form 144 notifies a proposed sale of 1,108 common shares with an aggregate market value of $160,925.92, planned about 10/10/2025 on NASDAQ through Fidelity Brokerage Services.

The shares were acquired on 01/28/2025 by restricted stock vesting as compensation. The filer disclosed four prior sales in the past three months—each of 554 shares on 07/30/2025, 08/12/2025, 09/12/2025, and 09/22/2025—with gross proceeds ranging from $58,574.42 to $70,020.06. Outstanding shares are listed as 159,073,532.

The notice includes the standard representation that the seller is not aware of undisclosed material adverse information and references Rule 10b5-1 plan language if applicable.

Positive

• Small size relative to outstanding shares: 1,108 shares vs 159,073,532 outstanding suggests negligible dilution or market impact
• Acquisition via restricted stock vesting: shares were granted as compensation on 01/28/2025, a routine equity compensation event

Negative

• Ongoing dispositions: four prior sales in the past three months totaling 2,216 shares indicate continued sell-through of vested awards

Insights

Equity Compensation Analyst

Insider sale is small, likely routine disposition of vested awards.

The planned sale of 1,108 shares was recorded as acquired through restricted stock vesting on 01/28/2025

Relative to the 159,073,532 shares outstanding, the transaction represents a de minimis 0.0007% of the share count, suggesting limited market impact. Investors may view this as routine compensation liquidity rather than a signal of operational change.

The filer also reported four recent sales totaling 2,216 shares across 07/30/2025–09/22/2025 with aggregate proceeds around $249,028, consistent with periodic dispositions of vested awards; monitor for any change in sale cadence or larger blocks over a single reporting period.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

Relationship to Issuer

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	1108	160925.92	159073532	10/10/2025	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	01/28/2025	Restricted Stock Vesting	Issuer			1108	01/28/2025	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	07/30/2025	554	58574.42
Gregory S. Smith 600 Riverpark Drive North Reading MA 01864	Common	08/12/2025	554	58724.00
Gregory S. Smith 600 Riverpark Drive North Reading MA 01864	Common	09/12/2025	554	63710.00
Gregory S. Smith 600 Riverpark Drive North Reading MA 01864	Common	09/22/2025	554	70020.06

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What did Teradyne (TER) disclose on Form 144?

The filing notifies a proposed sale of 1,108 common shares valued at $160,925.92, planned on 10/10/2025, to be executed via Fidelity on NASDAQ.

Who acquired the shares being sold for TER and how were they obtained?

The 1,108 shares were acquired on 01/28/2025 by restricted stock vesting from the issuer and paid as compensation.

Has the filer sold TER shares recently?

Yes. The filer reported four sales of 554 shares each on 07/30/2025, 08/12/2025, 09/12/2025, and 09/22/2025 with gross proceeds between $58,574.42 and $70,020.06.

What is the issuer's outstanding share count reported?

The filing lists 159,073,532 shares outstanding.

Does the Form 144 include any compliance representation?

Yes. By signing, the seller represents they do not know any undisclosed material adverse information and may note a Rule 10b5-1 plan adoption date if applicable.