Every Form 4 that Teradyne (TER) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow TER and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full TER filings page.
Teradyne, Inc. President and CEO Gregory Stephen Smith reported a routine tax-related share withholding. On 02/02/2026, 6,763 shares of Teradyne common stock were withheld by the company at a price of $249.53 per share to satisfy his tax obligations from restricted stock units vesting on January 31 and February 1, 2026.
After this transaction, Smith beneficially owned 115,089.5729 shares of Teradyne common stock in direct form.
Teradyne, Inc. executive reports tax share withholding. VP, General Counsel and Secretary Ryan Driscoll reported that on February 2, 2026, 414 shares of common stock were withheld by Teradyne at $249.53 per share to cover his tax obligations from restricted stock units vesting on January 31 and February 1, 2026.
After this non-open-market, tax-related transaction, Driscoll beneficially owns 6,561.3054 Teradyne common shares, held directly.
Teradyne, Inc. President and CEO Gregory Stephen Smith reported equity compensation activity involving the company’s common stock. On January 27, 2026, he acquired 59,475 shares at $0 upon full vesting of previously granted performance-based restricted stock units, each settling into one share.
To cover tax withholding on the vesting of RSUs and PRSUs, the issuer withheld 30,610 shares at $238.94 on January 27, 2026 and an additional 486 shares at $250.48 on January 28, 2026. After these transactions, he directly beneficially owned 121,852.5729 shares of Teradyne common stock.
Teradyne, Inc. executive reports tax-related share withholdings tied to RSU vesting. President, Product Test, Mills Regan reported two transactions coded "F," which indicate shares withheld by the company to cover taxes when restricted stock units vested on January 27 and January 28, 2026.
The company withheld 193 shares at $238.94 and 167 shares at $250.48. After these non‑open‑market transactions, Regan directly beneficially owns 12,018.3452 shares of Teradyne common stock, including shares previously acquired through the Employee Stock Purchase Plan.
Teradyne, Inc. VP, General Counsel and Secretary Ryan Driscoll reported routine share-withholding transactions related to restricted stock units. On January 27, 2026, 113 shares of common stock were withheld at $238.94 per share to cover tax obligations from RSU vesting, leaving 7,057.3054 shares beneficially owned directly.
On January 28, 2026, an additional 82 shares were withheld at $250.48 per share in connection with another RSU vesting, after which Driscoll directly owned 6,975.3054 Teradyne common shares. The holdings include shares previously acquired under Teradyne’s Employee Stock Purchase Plan.
Teradyne, Inc. director Mercedes Johnson reported selling 625 shares of Teradyne common stock on January 5, 2026 at a price of $211.85 per share. The sale was made under a pre-arranged Rule 10b5-1 trading plan that Johnson adopted on February 3, 2025, which is designed to allow insiders to sell shares according to a preset schedule.
After this transaction, Johnson beneficially owns 8,238 shares of Teradyne common stock directly. She also has an indirect beneficial interest in 1,876 shares held by The Mercedes Johnson Trust UAD 07/23/04, where she serves as trustee and sole beneficiary.
Teradyne, Inc.'s President and CEO, who is also a director, reported a sale of common stock. On December 12, 2025, the insider sold 1,108 shares of Teradyne common stock at $ 201.31 per share, coded as a sale transaction.
The shares were sold pursuant to a sales plan adopted by the reporting person on February 4, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934. After this transaction, the insider beneficially owned 93,408.995 shares of Teradyne common stock, held directly.
Teradyne, Inc. (TER) reported an insider transaction: the President and CEO, who is also a Director, sold 1,108 shares of common stock on 11/12/2025 at a price of $180.2 per share, coded as S (sale). The filing notes the sale was made under a Rule 10b5-1 trading plan adopted on 02/04/2025.
Following this transaction, the reporting person beneficially owns 94,516.995 shares, held directly.
Teradyne (TER) reported an insider equity transaction by its President and CEO, who is also a director. On November 5, 2025, the executive exercised a stock option for 2,072 shares at an exercise price of $36.75 (code M).
To cover the option exercise price and associated tax withholding, the issuer withheld 1,224 shares at a price of $177.05 (code F), as noted in the footnotes. Following these transactions, the reporting person beneficially owned 95,624.995 shares, held directly.
The option referenced vested 25% per year over four years beginning January 25, 2020.
Teradyne (TER): Form 4 insider transaction — A director reported a sale of common stock. On 11/05/2025, the reporting person sold 625 shares at $177.05 per share under a pre-arranged Rule 10b5-1 trading plan adopted on February 3, 2025.
Following the transaction, the reporting person beneficially owned 9,488 shares directly. In addition, 1,876 shares were held indirectly by The Mercedes Johnson Trust UAD 07/23/04, for which the reporting person serves as trustee and sole beneficiary.
Teradyne, Inc. (TER) reported insider equity awards to its Chief Financial Officer on 11/03/2025. The filing shows a grant of 11,144 restricted stock units (RSUs) at $0, and a stock option to buy 9,156 shares with a $183.07 exercise price.
The RSUs vest in four equal annual installments beginning on November 3, 2026. The option vests 25% per year over four years beginning on November 3, 2026, and expires on November 3, 2032. Following the transactions, the officer beneficially owned 11,260 shares of common stock directly.
Teradyne (TER) reported an insider transaction by its President and CEO (also a Director). On October 10, 2025, the executive sold 1,108 shares of common stock at $145.24 per share. Following the sale, the executive beneficially owns 94,776.995 shares, held directly. The sale was made under a pre‑established Rule 10b5‑1 trading plan adopted on February 4, 2025.
Teradyne director Mercedes Johnson reported a sale of company shares under a pre-set plan and retains significant ownership. The filing shows $147.9 per share sale of 625 shares on 10/06/2025 executed under a Rule 10b5-1 sales plan. After the sale the reporting person beneficially owns 10,113 shares directly and 1,876 shares indirectly through a trust for which she is trustee and sole beneficiary. The filing identifies the sale as part of a plan adopted on 02/03/2025, and is signed by an attorney-in-fact on 10/08/2025. The transaction is presented as routine insider disposition under a documented trading plan.
Teradyne director Ernest E. Maddock received deferred stock units (DSUs) on 09/29/2025 under his election to receive dividend equivalents as additional DSUs rather than cash. The filing reports an exempt acquisition under Exchange Act Rule 16b-3(d) with 0 price because DSUs are issued in lieu of cash dividends. Following the transaction, Mr. Maddock beneficially owns 9,593 shares of Teradyne common stock. The DSUs are settled one-for-one into common stock generally within ninety days after the director ceases to serve as a non-employee director.
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.
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.