Every Form 4 that Teradyne, Inc. (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. director Marilyn Matz sold 400 shares of common stock on October 21, 2026, at $350 per share. The transaction was effected pursuant to a sales plan adopted February 13, 2026, intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934. Her reported direct holdings following the sale were 12,641 shares.
Teradyne, Inc. (TER) President and CEO Gregory Stephen Smith sold 4,000 shares of common stock on October 15, 2026, at $341.28 per share. He directly held 104,495 shares following the sale. The transaction was effected under a sales plan adopted February 12, 2026, intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.
Teradyne, Inc. director Marilyn Matz sold 800 shares of common stock on October 15, 2026, at $341.28 per share, in a transaction described as a sale in the open market or a private transaction. The sale was made under a sales plan adopted February 13, 2026, intended to comply with Rule 10b5-1. Her reported direct holdings following the sale were 13,041 shares.
Teradyne, Inc. director Mercedes Johnson sold 167 shares of common stock on October 1, 2026, at $402.90 per share under a sales plan adopted March 4, 2026, which was intended to comply with Rule 10b5-1. After the sale, Johnson directly held 6,197 shares, while The Mercedes Johnson Trust held 1,876 shares.
Teradyne, Inc. director Peter Herweck acquired 77 deferred stock units (DSUs) on September 24, 2026, through deferral of quarterly cash compensation. He acquired 4 additional DSUs on September 25, 2026, after electing to receive dividends on DSUs as additional DSUs rather than cash. The DSUs are generally settled one-for-one in Common Stock within 90 days after his service as a non-employee director ends.
Teradyne, Inc. director Paul J. Tufano acquired 141 deferred stock units on September 24, 2026, by deferring quarterly cash compensation, and 19 additional units on September 25, 2026, through his election to receive dividends paid on DSUs as additional DSUs instead of cash. The units generally settle one-for-one in Common Stock within 90 days after a non-employee director no longer serves in that capacity.
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) 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) 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) director and President & CEO Gregory Stephen Smith reported selling 4,000 shares of common stock on August 17, 2026 at $425.00 per share. Following this sale, he holds 112,495.4075 shares directly. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted on February 12, 2026.
TERADYNE, INC (TER) director Marilyn Matz reported selling 1,200 shares of common stock on August 17, 2026 at $425.00 per share in an open-market or private transaction. After this sale, she directly holds 15,040.675 shares. The transaction was executed under a Rule 10b5-1 trading plan adopted on February 13, 2026.
Teradyne, Inc. director Mercedes Johnson reported selling 166 shares of common stock on August 3, 2026 at $358.15 per share in an open-market or private transaction under a Rule 10b5-1 trading plan adopted March 4, 2026. She now holds 6,531 shares directly and 1,876 shares indirectly through a trust.
Teradyne, Inc. President and CEO Gregory Stephen Smith reported an open-market sale of 4,000 shares of common stock on July 15, 2026 at $356.31 per share. The transaction was effected under a sales plan adopted on February 12, 2026 intended to comply with Rule 10b5-1. After the sale, he holds 116,495.4075 shares directly, including 25.8346 shares acquired through the Employee Stock Purchase Plan on June 30, 2026.
Teradyne director Marilyn Matz executed an open-market sale of 1,200 shares of common stock at $356.31 per share on July 15, 2026. Following the sale, she holds 16,240.675 shares directly. The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on February 13, 2026.
Teradyne director Mercedes Johnson reported a small open-market sale of company stock. She sold 167 shares of Common Stock at a price of $460.00 per share in a transaction classified as an open-market sale. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 4, 2026, indicating it was scheduled in advance. After the sale, she directly holds 6,697 shares and indirectly holds 1,876 shares through The Mercedes Johnson Trust, where she is trustee and sole beneficiary.
TERADYNE, INC director Paul J. Tufano increased his equity-based holdings through a compensation deferral. On this Form 4, he acquired 116 shares of Common Stock-equivalent deferred stock units at no cash cost, bringing his directly held total to 65,848 shares. The units represent quarterly cash fees deferred into stock-based compensation.
Teradyne, Inc. director Henry Andrew Chisholm reported a routine compensation-related transaction in the form of deferred stock units. On the reported date, he acquired 52 units of Common Stock at no cash cost as a grant or award, reflecting his deferral of quarterly cash compensation into deferred stock units. Following this transaction, he directly holds 2,927 shares or units tied to Common Stock. The deferred stock units are calculated based on the closing price on their issuance date and are generally settled one-for-one in Common Stock within ninety days after he stops serving as a non-employee director.
TERADYNE, INC director Peter Herweck increased his equity stake through deferred stock compensation. He acquired 63 shares of Common Stock at a stated price of $0.00 per share as a grant/award tied to his quarterly cash compensation.
Following this award, Herweck directly holds 16,201 shares of Common Stock. According to the disclosure, this represents a deferral of his quarterly cash compensation into deferred stock units, which are calculated using the closing price of the stock on the issuance date and are settled one-for-one in Common Stock after he no longer serves as a non-employee director.
Teradyne, Inc. director Marilyn Matz sold 1,200 shares of Common Stock at $423.03 per share in an open-market transaction. After the sale, she directly holds 17,440.675 shares. The trade was carried out under a pre-arranged Rule 10b5-1 sales plan adopted on February 13, 2026.
Teradyne, Inc. President and CEO Gregory Stephen Smith reported an open-market sale of 4,000 shares of Common Stock on June 15, 2026 at an average price of $423.03 per share.
After this transaction, he directly holds 120,469.5729 shares. The filing notes the sale was made under a pre-arranged Rule 10b5-1 sales plan adopted on February 12, 2026, indicating it was scheduled in advance rather than timed discretionarily.
Teradyne, Inc. director Ernest E. Maddock reported a small, routine equity compensation adjustment. On this Form 4, he received 2 deferred stock units (DSUs) credited as dividend equivalents on existing DSUs, with no cash changing hands.
The filing notes these DSUs were issued in accordance with his election to receive dividends on DSUs in the form of additional DSUs, in an acquisition exempt under Exchange Act Rule 16b-3(d). After this transaction, Maddock directly holds 10,267 shares or share-settled units equivalent to common stock.
Teradyne, Inc. director Peter Herweck reported a small, routine equity compensation adjustment. On the reported date, he was credited with 4 deferred stock units (DSUs) tied to dividends on existing DSUs, rather than receiving cash.
Following this transaction, Herweck holds 16,138 shares/units of Teradyne common stock in total. The DSUs are designed to be settled one-for-one in common stock, generally within ninety days after he no longer serves as a non-employee director.
Teradyne director Paul J. Tufano reported a small, routine adjustment to his equity compensation. He was credited with 19 deferred stock units (DSUs) as dividend equivalents on existing DSUs, with no cash changing hands. Following this entry, he holds 65,732 shares of common stock directly.
Teradyne, Inc. executive Jean Pierre Hathout reported routine tax-related share disposals tied to vesting restricted stock units. On June 1 and June 2, 2026, a total of 441 common shares were withheld by the company to cover tax obligations, leaving him with 9,733 directly held shares.
Teradyne, Inc. director Mercedes Johnson reported an open-market sale of 167 shares of common stock at $369.74 per share. The sale occurred on June 2, 2026 and was made pursuant to a Rule 10b5-1 trading plan adopted on March 4, 2026. After this transaction, Johnson directly holds 6,864 Teradyne shares and indirectly holds 1,876 shares through The Mercedes Johnson Trust UAD 07/23/04, where she is trustee and sole beneficiary.
Teradyne, Inc. executive Shannon John Poulin reported a mix of option exercises, tax withholding, and share sales in company stock. On May 21, 2026, he exercised stock options for 2,843 shares of common stock at an exercise price of $82.61 per share, then 1,531 shares were disposed of to cover the option exercise price and related tax-withholding obligations. Also on May 21, 2026, he sold 1,008 shares in open-market transactions at $345.37 per share, followed by an additional sale of 656 shares at $355.00 per share on May 22, 2026. The filing states that the sales were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on February 19, 2026, and after these transactions he directly holds approximately 15,722 shares of Teradyne common stock.
Teradyne, Inc. director Marilyn Matz reported an open-market sale of company common stock. On May 21, 2026, she sold 400 shares of Teradyne common stock at $350 per share. After this transaction, she directly holds 18,640.675 shares of common stock. The filing notes that this sale was executed under a pre-arranged sales plan adopted on February 13, 2026 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.
Teradyne, Inc. President and CEO Gregory Stephen Smith exercised stock options for 4,597 shares of common stock at $72.10 per share and sold 8,597 shares at $338.98 per share. After these transactions, he directly holds 124,469.5729 common shares. The trades were executed under a pre-arranged Rule 10b5-1 sales plan adopted on February 12, 2026.
Teradyne director Marilyn Matz sold 800 shares of common stock at $338.98 per share in an open-market transaction. After this sale, she directly holds 19,040.675 shares. The trade was carried out under a pre-arranged Rule 10b5-1 sales plan adopted on February 13, 2026.
Herweck Peter reported acquisition or exercise transactions in this Form 4 filing.
Teradyne, Inc. director Peter Herweck received a grant of 668 restricted stock units (RSUs) of Common Stock. The award was granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan as a form of equity compensation rather than a cash purchase.
Each RSU represents the right to receive one share of Common Stock. The RSUs are time-based and will vest in full on the earlier of May 8, 2027 or the date of Teradyne's 2027 Annual Meeting of Shareholders. After this grant, Herweck directly holds 16,134 shares of Common Stock.
TERADYNE, INC director Mercedes Johnson reported a routine equity compensation grant. She received 668 shares of Common Stock as restricted stock units under the company’s 2006 Equity and Cash Compensation Incentive Plan, bringing her direct holdings to 7,031 shares.
The RSUs are time-based and will vest in full on the earlier of May 8, 2027 or the date of Teradyne’s 2027 Annual Meeting of Shareholders. Johnson also reports 1,876 shares held indirectly through The Mercedes Johnson Trust, where she serves as trustee and sole beneficiary. The filing shows an acquisition of shares as compensation, with no open-market buying or selling.
MATZ MARILYN reported acquisition or exercise transactions in this Form 4 filing.
Teradyne director Marilyn Matz reported a stock-based compensation grant. On May 8, 2026, she received 668 restricted stock units (RSUs), each representing one share of Teradyne common stock, at no cash cost as a grant or award. These time-based RSUs vest in full on the earlier of May 8, 2027 or the company’s 2027 Annual Meeting of Shareholders. Following this award, Matz’s directly held common stock position reported in the filing is 19,840.675 shares. This is a routine equity compensation grant rather than an open-market purchase.
van Kralingen Bridget A reported acquisition or exercise transactions in this Form 4 filing.
Teradyne director Bridget A. van Kralingen received an equity award in the form of restricted stock units. She was granted 668 RSUs of Teradyne common stock at no cash cost as compensation, increasing her directly held stake to 6,224 shares.
Each RSU equals one share of common stock. The award is time-based and will vest in full on the earlier of May 8, 2027 or the date of Teradyne’s 2027 Annual Meeting of Shareholders, aligning her compensation with future company performance and service.
TERADYNE, INC director Paul J. Tufano received an equity grant of 668 restricted stock units. The award was granted at no cash cost to him and was made under Teradyne’s 2006 Equity and Cash Compensation Incentive Plan. Each RSU converts into one share of common stock and will vest in full on the earlier of May 8, 2027 or the company’s 2027 Annual Meeting of Shareholders. Following this grant, Tufano directly holds 65,713 shares of Teradyne common stock.
Sayiner Necip reported acquisition or exercise transactions in this Form 4 filing.
Teradyne, Inc. director Necip Sayiner received an equity grant of 668 restricted stock units (RSUs), each representing one share of common stock, as compensation. The award was granted at no cash cost and comes under the company’s 2006 Equity and Cash Compensation Incentive Plan.
The RSUs are time-based and will vest in full on the earlier of May 8, 2027 or the date of Teradyne’s 2027 Annual Meeting of Shareholders. Following this grant, Sayiner’s reported direct holdings total 2,800 shares of common stock, reflecting a relatively small, routine compensation-related increase in his stake.
MADDOCK ERNEST E reported acquisition or exercise transactions in this Form 4 filing.
TERADYNE, INC director Ernest E. Maddock reported a compensation-related stock award. He received 668 restricted stock units (RSUs) of Common Stock under the company’s 2006 Equity and Cash Compensation Incentive Plan, with no purchase price.
Each RSU represents one share of Teradyne common stock. The RSUs are time-based and will vest in full on the earlier of May 8, 2027 or the date of Teradyne’s 2027 Annual Meeting of Shareholders. Following this grant, Maddock directly holds 10,265 shares of common stock.
Henry Andrew Chisholm reported acquisition or exercise transactions in this Form 4 filing.
Teradyne, Inc. director Henry Andrew Chisholm received a grant of 668 restricted stock units (RSUs), each representing one share of common stock. These time-based RSUs vest in full on the earlier of May 8, 2027 or the company’s 2027 annual shareholder meeting. Following this grant, he holds 2,875 shares directly.
TERADYNE, INC VP and General Counsel Ryan Driscoll sold 680 shares of common stock in an open-market transaction. The sale occurred on May 7, 2026 at a price of $377.60 per share. After this transaction, he directly holds 7,665.3054 shares. The filing notes the sale was made under a pre-arranged sales plan adopted on February 6, 2026 intended to comply with Rule 10b5-1, indicating the timing was set in advance.
Teradyne executive Regan Mills reported a small stock sale. As President, Product Test at Teradyne, Mills sold 16 shares of common stock on April 8, 2026 at $342.17 per share, leaving 11,399.3452 shares directly owned.
According to the footnote, this additional sale corrected the number of shares previously withheld to cover taxes on restricted stock units that vested on April 1, 2026. The trade was made under a pre-arranged sales plan adopted on November 25, 2025 and intended to comply with Rule 10b5-1, indicating it was part of a scheduled program rather than a discretionary market-timing decision.
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.
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.
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. director Ernest E. Maddock recorded a small, routine equity-related change in his holdings. On March 13, 2026, he received 2 deferred stock units (DSUs) credited as dividends on existing DSUs, in lieu of cash. This transaction is classified as an exempt "other" acquisition under Exchange Act Rule 16b-3(d). Following this adjustment, he is credited with a total of 9,597 units tied to Teradyne common stock, which will generally be settled one-for-one in shares within ninety days after he no longer serves as a non-employee director.
TERADYNE, INC director Paul J. Tufano reported a small administrative change in his equity holdings. On March 13, 2026, he was credited with 25 deferred stock units (DSUs) in lieu of cash dividends on his existing DSUs, at no cash cost per unit. These DSUs are scheduled to be settled one-for-one in Teradyne common stock, generally within ninety days after he no longer serves as a non-employee director. Following this transaction, his directly held common stock and DSU-related position reported in the filing totals 64,886 shares, reflecting a routine, compensation-related adjustment rather than an open-market trade.