TER Form 144: Insider sale notice for 1,200 shares

TER: A Form 144 notice reports proposed and recent insider-related transactions in common stock.

Rhea-AI Filing Summary

TER: A Form 144 notice reports proposed and recent insider-related transactions in common stock. The filing lists 400 shares identified as "Securities To Be Sold" tied to Restricted Stock Vesting with a date of 05/08/2026. It also records that Marilyn Matz sold 800 shares on 05/15/2026 for $271,184.00. Broker details include Fidelity Brokerage Services LLC and a reporting date of 05/21/2026.

Insights

Securities Compliance Attorney

Rule 144 notice of proposed and recent dispositions by an insider.

The filing lists a proposed sale of 400 shares associated with restricted stock vesting and discloses a prior disposition of 800 shares on 05/15/2026 for $271,184.00. The broker is identified as Fidelity Brokerage Services LLC.

Timing and compliance elements matter for resale under Rule 144; the excerpt shows dates and transaction amounts but does not state whether all holding-period or filing prerequisites are satisfied. Subsequent filings or transfer confirmations would clarify completion and cash‑flow treatment.

Key Figures

Shares to be sold: 400 shares Shares sold in prior 3 months: 800 shares Proceeds recorded: $271,184.00 +3 more

6 metrics

Shares to be sold 400 shares Securities To Be Sold; Restricted Stock Vesting dated 05/08/2026

Shares sold in prior 3 months 800 shares Sold by Marilyn Matz on 05/15/2026

Proceeds recorded $271,184.00 Proceeds from the 800-share sale on 05/15/2026

Form type Form 144 Rule 144 notice of proposed sale

Brokerage Fidelity Brokerage Services LLC Broker listed in the filing; address provided

Filing/report date 05/21/2026 Date shown on the filing excerpt

Key Terms

Restricted Stock Vesting, Rule 144, Securities To Be Sold, Securities Sold During The Past 3 Months

4 terms

Restricted Stock Vesting financial

"Securities To Be Sold | 05/08/2026 | Restricted Stock Vesting"

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.

Rule 144 regulatory

"Form 144 (notice of proposed sale) appears in header and context"

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.

Securities To Be Sold regulatory

"Securities To Be Sold | Common | 05/08/2026"

Securities Sold During The Past 3 Months regulatory

"Securities Sold During The Past 3 Months | Common | 05/15/2026 | 800"

FAQ

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

What does TER's Form 144 report about insider sales?

The filing reports a proposed sale of 400 shares tied to restricted stock vesting on 05/08/2026 and a sale of 800 shares on 05/15/2026 for $271,184.00. These are notices under Rule 144.

Who is the reported seller in the TER Form 144?

The form names Marilyn Matz as the filer for a prior sale of 800 shares on 05/15/2026. The broker shown is Fidelity Brokerage Services LLC, with a reporting date of 05/21/2026.

What is the significance of the 400 shares listed as "To Be Sold"?

The 400 shares are listed under "Securities To Be Sold" and described as resulting from Restricted Stock Vesting dated 05/08/2026. The entry notifies the market of an intended resale under Rule 144 procedures.

Does the Form 144 show proceeds or pricing for the proposed 400-share sale?

The excerpt provides a transaction amount of $271,184.00 tied to the prior 800-share sale; the proposed 400-share sale does not show a separate price or proceeds in the provided text.

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 05/21/2026 - 02:16 PM 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	0001618274
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	MATZ MARILYN
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	400	140000.00	156542162	05/21/2026	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	05/08/2026	Restricted Stock Vesting	Issuer			400	05/08/2026	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
Marilyn Matz 600 Riverpark Drive North Reading MA 01864	Common	05/15/2026	800	271184.00

144: Remarks and Signature

Remarks
Date of Notice	05/21/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/13/2026
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 Marilyn Matz
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)