Teradyne, Inc. filings document an operating company with common stock traded on Nasdaq under TER and businesses in automated test equipment and advanced robotics. Form 8-K reports cover quarterly operating and financial results across Semiconductor Test, Product Test, and Robotics, along with material events such as annual meeting vote results and executive-transition or compensation arrangements.
Proxy materials describe board elections, advisory compensation votes, auditor ratification, executive compensation, equity-award reporting, and related governance matters. The filings also provide capital-structure details, including Teradyne's common stock class, and formal exhibits tied to earnings releases and other disclosure events.
Teradyne, Inc. director Ernest E. Maddock acquired 2 deferred stock units (DSUs) on September 25, 2026, after electing to receive dividends paid on DSUs as additional DSUs in lieu of cash. His reported direct position after the transaction was 10,269 shares. The DSUs generally settle one-for-one in Common Stock within 90 days after the date a non-employee director no longer serves in that role.
Teradyne, Inc. director Andrew Chisholm Henry acquired 64 deferred stock units on September 24, 2026, through deferral of quarterly cash compensation. The number of units is calculated based on the common stock closing price on the date of issuance. His reported direct position following the transaction was 2,991 shares. The units generally settle one-for-one in common stock within 90 days after he no longer serves as a non-employee director.
TERADYNE, INC (TER) director Marilyn Matz reported selling 400 shares of common stock on September 17, 2026 in an open-market or private transaction at $351.11 per share. Following this sale, she directly holds 13,840.675 shares of TER common stock. The trade was made under a Rule 10b5-1 sales plan adopted on February 13, 2026.
TERADYNE, INC (TER) has a notice under Rule 144 indicating that director Marilyn Matz, through Fidelity Brokerage Services LLC, plans to sell 400 shares of Teradyne common stock on or about September 17, 2026, with an approximate aggregate market value of $140,444. These shares were acquired from Teradyne on May 7, 2021 via Restricted Stock Vesting as compensation.
TERADYNE, INC (TER) President and CEO Gregory Stephen Smith sold 4,000 shares of common stock on September 15, 2026 at an average price of $337.83 per share. Following this sale, he holds 108,495.4075 shares directly. The transaction was carried out under a Rule 10b5-1 trading plan adopted on February 12, 2026.
TERADYNE, INC (TER) director Marilyn Matz reported selling 800 shares of common stock on September 15, 2026 at about $337.83 per share in an open-market or private transaction. The sale was made under a Rule 10b5-1 sales plan adopted on February 13, 2026, and she now holds 14,240.675 shares directly.
TERADYNE, INC (TER) has a notice of proposed sale of securities filed under Rule 144 for director Marilyn Matz. The filing covers the planned sale of 800 shares of common stock, originally acquired through restricted stock vesting on May 7, 2021 as compensation.
The notice also lists that, during the prior three months, Marilyn Matz sold 1,200 shares of Teradyne common stock on each of June 15, 2026, July 15, 2026, and August 17, 2026. Fidelity Brokerage Services LLC is identified as the broker and attorney-in-fact executing the transaction.
TERADYNE, INC (TER) is the issuer of common stock that Gregory Stephen Smith plans to sell under Rule 144. The notice covers a proposed sale of 4,000 shares through Fidelity Brokerage Services LLC, with an indicated aggregate market value of $1,351,320 and 156,340,750 shares outstanding as context.
The securities to be sold arise from restricted stock vesting on January 27, 2026 and are described as compensation from the issuer. The filing also lists prior Rule 144 sales of 4,000 shares each on June 15, July 15, and August 17, 2026, with respective aggregate values reported for each transaction.
TERADYNE, INC (TER) director Mercedes Johnson reported selling common stock and updating her holdings. On September 1, 2026, she sold 167 shares of common stock at $341.30 per share in an open-market or private transaction pursuant to a Rule 10b5-1 trading plan adopted on March 4, 2026. After this sale, she held 6,364 shares directly and 1,876 shares indirectly through The Mercedes Johnson Trust UAD 07/23/04, where she is trustee and sole beneficiary.
TERADYNE, INC (TER) is the issuer for which director Mercedes Johnson has filed a notice of proposed sale of restricted securities under Rule 144. The filing covers the planned sale of 167 shares of common stock, originally acquired on May 10, 2016 through restricted stock vesting as compensation from the issuer.
The notice lists Fidelity Brokerage Services LLC as the broker and reports an approximate aggregate market value of 56997.10 for the 167 shares based on a price as of September 1, 2026. Johnson also reports prior Rule 144 sales over the past three months, each involving roughly 166–167 shares of TER common stock.