Welcome to our dedicated page for Teradyne SEC filings (Ticker: TER), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Teradyne, Inc. (NASDAQ: TER) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures filed with the U.S. Securities and Exchange Commission. Teradyne is incorporated in Massachusetts and lists its common stock on the Nasdaq Stock Market LLC under the symbol TER. As a public issuer, it files annual reports on Form 10-K, quarterly reports on Form 10-Q, and current reports on Form 8-K, along with other required documents. These filings offer detailed information about Teradyne’s automated test equipment and advanced robotics businesses, financial condition, governance, and material corporate events.
Recent Form 8-K filings illustrate the range of topics covered in Teradyne’s current reports. The company files 8-Ks to furnish quarterly earnings press releases under Item 2.02, disclosing results for segments such as Semiconductor Test, Product Test, and Robotics. Other 8-Ks report on executive officer changes, including the appointment of a new Chief Financial Officer, and provide summaries of related compensation and change-of-control arrangements under Item 5.02. Teradyne also uses Form 8-K to disclose director appointments, committee assignments, and amendments to its Amended and Restated By-Laws, including changes to shareholder proposal and director nomination procedures.
Filings related to governance, such as bylaw amendments, describe how Teradyne manages shareholder rights, nomination windows, voting standards, and meeting procedures. These documents help investors understand the company’s corporate governance framework. Additional filings may address material modifications to the rights of security holders, such as changes linked to bylaw updates, and provide timelines for shareholder actions ahead of annual meetings.
On Stock Titan, Teradyne’s SEC filings are presented with AI-powered summaries designed to make complex regulatory documents more accessible. Annual reports (Form 10-K) and quarterly reports (Form 10-Q) can be reviewed with AI-generated highlights that point to key discussions of segment performance, risk factors, and liquidity. Current reports (Form 8-K) are summarized to emphasize the nature of each material event, whether it involves financial results, leadership changes, or governance updates. Investors can also track insider-related filings such as Form 4, where available, to monitor transactions by directors and executive officers. Real-time updates from EDGAR and AI explanations allow users to quickly identify the most relevant information in Teradyne’s filings without reading every page in full.
Paul J. Tufano, a director of Teradyne, Inc. (TER), acquired 49 deferred stock units (DSUs) on 09/29/2025 at no cash cost, recorded as an exempt transaction under Exchange Act Rule 16b-3(d). After the acquisition the reporting person beneficially owned 64,569 shares or share-equivalents. The filing states these DSUs represent dividend reinvestment into additional DSUs and are settled one-for-one in common stock generally within ninety days after the director ceases to serve as a non-employee director.
This is a routine director compensation election converting dividend payouts into additional DSUs rather than cash; the transaction increases the director’s long-term alignment with shareholders but does not show any exercised options, sales, or derivative activity in this filing.
Paul J. Tufano, a director of Teradyne, Inc. (TER), reported a non‐derivative acquisition on 09/25/2025. He elected to defer his quarterly cash director compensation into 357 deferred stock units (DSUs) that are converted one‑for‑one into common stock when a director leaves service. The Form 4 shows 64,520 shares beneficially owned by Mr. Tufano following the transaction. The filing was submitted by an attorney‑in‑fact on 09/29/2025.
Peter Herweck, a director of Teradyne, Inc. (TER), deferred his quarterly cash compensation into 206 deferred stock units (DSUs) on 09/25/2025. The filing shows the 206 DSUs were issued at a $0 price per unit (per reporting convention) and that after this transaction the reporting person beneficially owned 15,205 shares of Teradyne common stock. The DSUs are calculated based on the closing price on the issuance date and will be settled one-for-one in common stock generally within ninety days after the director ceases to serve as a non-employee director. The Form 4 was signed by an attorney-in-fact on 09/29/2025.
Insider transaction report: Teradyne, Inc. director and President & CEO Gregory Stephen Smith reported a sale of 554 shares of Teradyne common stock on 09/22/2025 at a price of $126.39 per share. The filing states the shares were sold pursuant to a 10b5-1 trading plan adopted by the reporting person on February 4, 2025. After the reported sale, the Form 4 lists 95,884.995 shares beneficially owned by the reporting person. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person on 09/24/2025.
Form 144 filed for Teradyne, Inc. (TER) reporting a proposed sale of 554 shares of common stock through Fidelity Brokerage Services with an aggregate market value of $70,020.06, and an approximate sale date of 09/22/2025 on NASDAQ. The filing lists 159,073,532 shares outstanding for the issuer.
The 554 shares to be sold were acquired as restricted stock vesting from the issuer on 01/27/2025, 01/28/2025 and 01/29/2025 and were paid as compensation. The filing also discloses three prior sales by Gregory S. Smith during the past three months: 554 shares on 07/30/2025 for $58,574.42, 554 shares on 08/12/2025 for $58,724.00, and 554 shares on 09/12/2025 for $63,710.00.
Teradyne director and President & CEO Gregory Stephen Smith reported a sale of 554 shares of Teradyne common stock on 09/12/2025 at a price of $115 per share. The Form 4 shows 96,438.995 shares remained beneficially owned by Mr. Smith after the reported sale. The filing states the shares were sold under a sales plan adopted February 4, 2025 that was intended to comply with Rule 10b5-1, indicating the transaction followed a prearranged insider trading plan. The Form 4 was signed by an attorney-in-fact on 09/16/2025.
Jean Pierre Hathout filed an initial Form 3 reporting beneficial ownership in Teradyne, Inc. (TER) on 09/02/2025. The filing shows 9,551 shares beneficially owned, consisting of 1,713 vested common shares and 7,838 restricted stock units (RSUs) awarded under the companys 2006 Equity and Cash Compensation Incentive Plan. The RSUs convert one-for-one to common shares and vest on defined schedules from 2026 through 2028. Hathout is identified as an officer (President, Teradyne Robotics) and director.
Mercedes Johnson, a director of Teradyne, Inc. (TER), reported a sale of company stock under a pre-established trading plan. The Form 4 shows a transaction on 09/05/2025 in which 625 shares of Teradyne common stock were sold at a price of $120.06 per share. After the sale, the reporting person directly beneficially owned 10,738 shares and indirectly beneficially owned 1,876 shares held by a trust for which she is trustee and sole beneficiary.
The filing notes the sale was made pursuant to a 10b5-1 plan adopted on February 3, 2025. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person on 09/09/2025.
Form 144 notice for Teradyne, Inc. (TER): The filer reports an intended sale of 625 common shares through Fidelity Brokerage Services on 09/05/2025 with an aggregate market value of $75,037.50. The securities were acquired by restricted stock vesting on 05/09/2024 and were received as compensation. The filing also discloses prior sales by the same person this year: 1,875 shares sold 07/30/2025 for $198,243.75 and 625 shares sold 08/05/2025 for $66,250.00. The filing states the seller represents there is no undisclosed material adverse information. The total shares outstanding reported are 159,073,532 and the planned sale is on NASDAQ.
Teradyne, Inc. disclosed terms related to an executive separation and upcoming filings. The executive will remain subject to non-compete, non-solicitation and non-disparagement covenants for 12 months following his last day of employment, provided he complies with those restrictions. He is also eligible for a pro-rated 2025 annual cash bonus based on actual performance, which the company expects to pay in early
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