TER Rule 144: 656 Shares Filed After Option Exercise

TER Rule 144 notice: a holder reported intended sale of 656 shares via a stock option exercise on 05/21/2026, with the method listed as cash.

Rhea-AI Filing Summary

TER Rule 144 notice: a holder reported intended sale of 656 shares via a stock option exercise on 05/21/2026, with the method listed as cash. The filing also records 1,008 shares sold in the prior three months for $348,132.96.

Insights

Compliance Counsel

Routine Rule 144 disclosure showing option exercise and prior dispositions.

The notice lists a stock option exercise followed by an intended resale of 656 shares on 05/21/2026, reported under Rule 144 procedures. The record of 1,008 shares sold previously and the cash method are factual disclosures about recent transfers.

The filing is administrative in nature; any material effect depends on future sales by the holder and market reception. Subsequent filings would show actual resale completion and net proceeds if and when sales occur.

Key Figures

Shares to be sold: 656 shares Shares sold in past 3 months: 1,008 shares Gross proceeds reported: $348,132.96

3 metrics

Shares to be sold 656 shares intended resale after stock option exercise on 05/21/2026

Shares sold in past 3 months 1,008 shares disposed during prior three months (reported in the filing)

Gross proceeds reported $348,132.96 proceeds tied to the 1,008 shares sold in the past three months

Key Terms

Stock Option Exercise, Rule 144, Fidelity Brokerage Services LLC

3 terms

Stock Option Exercise financial

"Common | 05/21/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Rule 144 regulatory

"FORM TYPE: 144 (filing type indicating resale under Rule 144 procedures)"

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.

Fidelity Brokerage Services LLC other

"Common | Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917"

FAQ

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

What does TER's Form 144 report say about shares being sold?

The filing states 656 shares were to be sold following a stock option exercise on 05/21/2026. It identifies the method as cash, indicating the holder exercised options and plans a Rule 144 resale.

How many shares did the filer sell in the past three months for TER?

The Form 144 shows 1,008 shares were sold during the past three months, generating $348,132.96 in gross proceeds. These transactions are listed separately from the newly exercised 656 shares intended for resale.

Who is listed as the broker or custodian on the TER Form 144?

The filing lists Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield RI. That entry identifies the broker/custodian associated with the transactions; further routing or execution details are not included in the excerpt.

Does this Form 144 confirm the shares were sold on the market for TER?

No. The notice records an intended resale under Rule 144 following a 05/21/2026 exercise and prior sales. It does not confirm completion of the planned resale; final sale execution and settlement would be reported in subsequent documents if applicable.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/22/2026 - 09:52 AM EDT 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	0002065866
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	Poulin Shannon John
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

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	656	232880.00	156542162	05/22/2026	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	05/21/2026	Stock Option Exercise	Issuer			656	05/21/2026	Cash

* 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
Shannon Poulin 600 Riverpark Drive North Reading MA 01864	Common	05/21/2026	1008	348132.96

144: Remarks and Signature

Remarks
Date of Notice	05/22/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/19/2026
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 Shannon J. Poulin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)