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.
TERADYNE, INC director Mercedes Johnson reported an open-market sale of 625 shares of common stock at $312.20 per share on April 6, 2026. After the sale, she directly holds 6,363 shares and indirectly holds 1,876 shares through The Mercedes Johnson Trust. The sale was made under a pre-arranged Rule 10b5-1 trading plan adopted on February 3, 2025.
TER submitted a Form 144 notice reporting proposed sales of 625 shares of Common Stock in separate transactions dated 02/05/2026 and 03/05/2026, with dollar values reported as $166,862.50 and $187,012.50 respectively. The entries list restricted stock vesting events from 2016 and 2017 as the source.
Teradyne, Inc. executive Shannon John Poulin, President of Semiconductor Test, reported a routine share withholding related to equity compensation. On April 1, 2026, 1,162 shares of common stock were withheld at $312.20 per share to cover tax obligations from vesting restricted stock units.
After this tax-withholding disposition, Poulin directly holds 16,073.5779 shares of Teradyne common stock. This event reflects compensation-related tax treatment rather than an open‑market purchase or sale decision.
Teradyne, Inc. executive Regan Mills reported small share sales and tax-related share withholding. On April 2, 2026, Mills completed an open-market sale of 252 shares of common stock at $290.88 per share, and continued to hold 11,415.3452 shares directly afterward.
On April 1, 2026, 222 shares were disposed of to cover tax withholding obligations tied to vesting of restricted stock units, at a value of $312.20 per share. The April 2 sale was made under a pre-established Rule 10b5-1 trading plan adopted on November 25, 2025, indicating the transaction timing was pre-planned.
TER filer submitted a Form 144 notice reporting proposed sale of 252 shares of Common Stock tied to restricted stock vesting on 04/01/2026. The filing also shows a prior disposition of 788 shares on 02/25/2026 by Regan N. Mills valued at $262,301.56. The shares appear held at Fidelity Brokerage Services LLC.
Teradyne, Inc. director Peter Herweck acquired 92 shares of Common Stock through a compensation-related award. The transaction reflects his deferral of quarterly cash fees into deferred stock units, which convert one-for-one into Common Stock. Following this grant, he directly holds 15,466 shares. The deferred stock units are generally settled within ninety days after he no longer serves as a non-employee director.
Teradyne director Paul J. Tufano increased his holdings through deferred stock compensation rather than open-market buying. He acquired 159 shares of Teradyne common stock on March 26, 2026 as a grant, bringing his direct ownership to 65,045 shares.
The footnote explains this represents a deferral of his quarterly cash compensation into deferred stock units, which are calculated using the closing share price on the issuance date. These deferred stock units are settled one-for-one in common stock, generally within ninety days after he no longer serves as a non-employee director.
Teradyne, Inc. director Henry Andrew Chisholm acquired 75 shares of Common Stock-equivalent deferred stock units (DSUs) as a grant linked to his quarterly cash compensation. The award was priced at $0 per share as it represents deferred fees rather than a market purchase.
Following this compensation-related acquisition, he directly holds 2,207 shares of Common Stock. According to the disclosure, DSUs are calculated using the closing stock price on the issuance date and are settled one-for-one in Common Stock, generally within ninety days after a non-employee director no longer serves on the board.
Teradyne Inc filing: amended Schedule 13G/A discloses that The Vanguard Group reports zero beneficial ownership of Teradyne common stock. The filing describes an internal realignment effective 01/12/2026 that led certain Vanguard subsidiaries and business divisions to report holdings separately; Vanguard states it no longer is deemed to beneficially own those securities.
The amendment is signed by Ashley Grim on 03/27/2026 and lists 0% ownership and 0 shares beneficially owned.