The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 15, 2026 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 4K | $356.31 | $1.4M |
| Jul 15, 2026 | Matz Marilyn | Director | Sell(S) | 1K | $356.31 | $428K |
| Jul 1, 2026 | Johnson Mercedes | Director | Sell(S) | 167 | $460.00 | $77K |
| Jun 25, 2026 | Herweck Peter | Director | Grant(A) | 63 | — | $0 |
| Jun 25, 2026 | Henry Andrew Chisholm | Director | Grant(A) | 52 | — | $0 |
| Jun 25, 2026 | Tufano Paul J | Director | Grant(A) | 116 | — | $0 |
| Jun 15, 2026 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 4K | $423.03 | $1.7M |
| Jun 15, 2026 | Matz Marilyn | Director | Sell(S) | 1K | $423.03 | $508K |
| Jun 12, 2026 | Tufano Paul J | Director | Other(J) | 19 | — | $0 |
| Jun 12, 2026 | Herweck Peter | Director | Other(J) | 4 | — | $0 |
| Jun 12, 2026 | Maddock Ernest E | Director | Other(J) | 2 | — | $0 |
| Jun 2, 2026 | Johnson Mercedes | Director | Sell(S) | 167 | $369.74 | $62K |
| Jun 2, 2026 | Hathout Jean Pierre | President, Teradyne Robotics | Tax withholding(F) | 174 | $392.62 | $68K |
| Jun 1, 2026 | Hathout Jean Pierre | President, Teradyne Robotics | Tax withholding(F) | 267 | $369.47 | $99K |
| May 22, 2026 | Poulin Shannon John | President, Semiconductor Test | Sell(S) | 656 | $355.00 | $233K |
| May 21, 2026 | Poulin Shannon John | President, Semiconductor Test | Option exercise(M) | 3K | — | $0 |
| May 21, 2026 | Poulin Shannon John | President, Semiconductor Test | Tax withholding(F) | 2K | $345.98 | $530K |
| May 21, 2026 | Poulin Shannon John | President, Semiconductor Test | Option exercise(M) | 3K | $82.61 | $235K |
| May 21, 2026 | Poulin Shannon John | President, Semiconductor Test | Sell(S) | 1K | $345.37 | $348K |
| May 21, 2026 | Matz Marilyn | Director | Sell(S) | 400 | $350.00 | $140K |
| May 15, 2026 | Smith Gregory Stephen | President and CEO, Director | Option exercise(M) | 5K | — | $0 |
| May 15, 2026 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 9K | $338.98 | $2.9M |
| May 15, 2026 | Smith Gregory Stephen | President and CEO, Director | Option exercise(M) | 5K | $72.10 | $331K |
| May 15, 2026 | Matz Marilyn | Director | Sell(S) | 800 | $338.98 | $271K |
| May 8, 2026 | van Kralingen Bridget A | Director | Grant(A) | 668 | — | $0 |
| May 8, 2026 | Tufano Paul J | Director | Grant(A) | 668 | — | $0 |
| May 8, 2026 | Matz Marilyn | Director | Grant(A) | 668 | — | $0 |
| May 8, 2026 | Maddock Ernest E | Director | Grant(A) | 668 | — | $0 |
| May 8, 2026 | Johnson Mercedes | Director | Grant(A) | 668 | — | $0 |
| May 8, 2026 | Henry Andrew Chisholm | Director | Grant(A) | 668 | — | $0 |
| May 8, 2026 | Herweck Peter | Director | Grant(A) | 668 | — | $0 |
| May 8, 2026 | Sayiner Necip | Director | Grant(A) | 668 | — | $0 |
| May 7, 2026 | Driscoll Ryan | VP, General Counsel, Secretary | Sell(S) | 680 | $377.60 | $257K |
| Apr 8, 2026 | Mills Regan | President, Product Test | Sell(S) | 16 | $342.17 | $5K |
| Apr 6, 2026 | Johnson Mercedes | Director | Sell(S) | 625 | $312.20 | $195K |
| Apr 2, 2026 | Mills Regan | President, Product Test | Sell(S) | 252 | $290.88 | $73K |
| Apr 1, 2026 | Poulin Shannon John | President, Semiconductor Test | Tax withholding(F) | 1K | $312.20 | $363K |
| Apr 1, 2026 | Mills Regan | President, Product Test | Tax withholding(F) | 222 | $312.20 | $69K |
| Mar 26, 2026 | Henry Andrew Chisholm | Director | Grant(A) | 75 | — | $0 |
| Mar 26, 2026 | Tufano Paul J | Director | Grant(A) | 159 | — | $0 |
| Mar 26, 2026 | Herweck Peter | Director | Grant(A) | 92 | — | $0 |
| Mar 13, 2026 | Herweck Peter | Director | Other(J) | 5 | — | $0 |
| Mar 13, 2026 | Tufano Paul J | Director | Other(J) | 25 | — | $0 |
| Mar 13, 2026 | Maddock Ernest E | Director | Other(J) | 2 | — | $0 |
| Mar 5, 2026 | Johnson Mercedes | Director | Sell(S) | 625 | $299.20 | $187K |
| Feb 25, 2026 | Mills Regan | President, Product Test | Sell(S) | 788 | $332.87 | $262K |
| Feb 5, 2026 | Johnson Mercedes | Director | Sell(S) | 625 | $266.98 | $167K |
| Feb 4, 2026 | Hathout Jean Pierre | President, Teradyne Robotics | Grant(A) | 1K | — | $0 |
| Feb 4, 2026 | Hathout Jean Pierre | President, Teradyne Robotics | Grant(A) | 886 | — | $0 |
| Feb 4, 2026 | Mills Regan | President, Product Test | Grant(A) | 1K | — | $0 |
| Feb 4, 2026 | Mills Regan | President, Product Test | Grant(A) | 886 | — | $0 |
| Feb 4, 2026 | Driscoll Ryan | VP, General Counsel, Secretary | Grant(A) | 2K | — | $0 |
| Feb 4, 2026 | Driscoll Ryan | VP, General Counsel, Secretary | Grant(A) | 2K | — | $0 |
| Feb 4, 2026 | Poulin Shannon John | President, Semiconductor Test | Grant(A) | 4K | — | $0 |
| Feb 4, 2026 | Poulin Shannon John | President, Semiconductor Test | Grant(A) | 4K | — | $0 |
| Feb 4, 2026 | Smith Gregory Stephen | President and CEO, Director | Grant(A) | 13K | — | $0 |
| Feb 4, 2026 | Smith Gregory Stephen | President and CEO, Director | Grant(A) | 12K | — | $0 |
| Feb 2, 2026 | Driscoll Ryan | VP, General Counsel, Secretary | Tax withholding(F) | 414 | $249.53 | $103K |
| Feb 2, 2026 | Smith Gregory Stephen | President and CEO, Director | Tax withholding(F) | 7K | $249.53 | $1.7M |
| Feb 2, 2026 | Mills Regan | President, Product Test | Tax withholding(F) | 345 | $249.53 | $86K |
| Feb 2, 2026 | Hathout Jean Pierre | President, Teradyne Robotics | Tax withholding(F) | 381 | $249.53 | $95K |
| Jan 28, 2026 | Driscoll Ryan | VP, General Counsel, Secretary | Tax withholding(F) | 82 | $250.48 | $21K |
| Jan 28, 2026 | Mills Regan | President, Product Test | Tax withholding(F) | 167 | $250.48 | $42K |
| Jan 28, 2026 | Smith Gregory Stephen | President and CEO, Director | Tax withholding(F) | 486 | $250.48 | $122K |
| Jan 27, 2026 | Driscoll Ryan | VP, General Counsel, Secretary | Tax withholding(F) | 113 | $238.94 | $27K |
| Jan 27, 2026 | Mills Regan | President, Product Test | Tax withholding(F) | 193 | $238.94 | $46K |
| Jan 27, 2026 | Smith Gregory Stephen | President and CEO, Director | Tax withholding(F) | 31K | $238.94 | $7.3M |
| Jan 27, 2026 | Smith Gregory Stephen | President and CEO, Director | Grant(A) | 59K | — | $0 |
| Jan 5, 2026 | Johnson Mercedes | Director | Sell(S) | 625 | $211.85 | $132K |
| Dec 17, 2025 | Maddock Ernest E | Director | Other(J) | 2 | — | $0 |
| Dec 17, 2025 | Herweck Peter | Director | Grant(A) | 148 | — | $0 |
| Dec 17, 2025 | Herweck Peter | Director | Other(J) | 7 | — | $0 |
| Dec 17, 2025 | Tufano Paul J | Director | Other(J) | 36 | — | $0 |
| Dec 17, 2025 | Tufano Paul J | Director | Grant(A) | 256 | — | $0 |
| Dec 12, 2025 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 1K | $201.31 | $223K |
| Dec 5, 2025 | Johnson Mercedes | Director | Sell(S) | 625 | $200.00 | $125K |
| Nov 12, 2025 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 1K | $180.20 | $200K |
| Nov 5, 2025 | Johnson Mercedes | Director | Sell(S) | 625 | $177.05 | $111K |
| Nov 5, 2025 | Smith Gregory Stephen | President and CEO, Director | Option exercise(M) | 2K | $36.75 | $76K |
| Nov 5, 2025 | Smith Gregory Stephen | President and CEO, Director | Tax withholding(F) | 1K | $177.05 | $217K |
| Nov 5, 2025 | Smith Gregory Stephen | President and CEO, Director | Option exercise(M) | 2K | — | $0 |
| Nov 3, 2025 | Turner Michelle L. | Chief Financial Officer | Grant(A) | 11K | — | $0 |
| Nov 3, 2025 | Turner Michelle L. | Chief Financial Officer | Grant(A) | 9K | — | $0 |
| Oct 10, 2025 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 1K | $145.24 | $161K |
| Oct 6, 2025 | Johnson Mercedes | Director | Sell(S) | 625 | $147.90 | $92K |
| Sep 29, 2025 | Herweck Peter | Director | Other(J) | 9 | — | $0 |
| Sep 29, 2025 | Tufano Paul J | Director | Other(J) | 49 | — | $0 |
| Sep 29, 2025 | Maddock Ernest E | Director | Other(J) | 3 | — | $0 |
| Sep 25, 2025 | Herweck Peter | Director | Grant(A) | 206 | — | $0 |
| Sep 25, 2025 | Tufano Paul J | Director | Grant(A) | 357 | — | $0 |
| Sep 22, 2025 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 554 | $126.39 | $70K |
| Sep 12, 2025 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 554 | $115.00 | $64K |
| Sep 5, 2025 | Johnson Mercedes | Director | Sell(S) | 625 | $120.06 | $75K |
| Aug 12, 2025 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 554 | $106.00 | $59K |
| Aug 5, 2025 | Johnson Mercedes | Director | Sell(S) | 625 | $106.00 | $66K |
| Aug 1, 2025 | Kumar Ujjwal | President, Teradyne Robotics | Tax withholding(F) | 657 | $104.16 | $68K |
| Jul 30, 2025 | Smith Gregory Stephen | President and CEO, Director | Sell(S) | 554 | $105.73 | $59K |
| Jul 30, 2025 | Johnson Mercedes | Director | Sell(S) | 2K | $105.73 | $198K |
| Jul 1, 2025 | Henry Andrew Chisholm | Director | Grant(A) | 2K | — | $0 |
| Jul 1, 2025 | Sayiner Necip | Director | Grant(A) | 2K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-01-04 → 2026-07-18. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).