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TER Teradyne, Inc. Common Stock
Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.
-$6.0M net selling - trailing 90 days
0 buyers - 6 unique sellers
Historical context: most recent complete month (2026-09) is the 19th percentile of this ticker's monthly net P/S flow over 24 complete months. Lower percentiles are more selling; higher are more buying. P10–P90: -$2.2M to -$21K.
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
Who is responsible
| Insider | Role | Net activity | Rows |
|---|---|---|---|
| Smith Gregory Stephen | President and CEO | -~$3.1M | 2 |
| Smith Gregory Stephen | President and CEO | -~$1.4M | 1 |
| MATZ MARILYN | — | -~$0.9M | 2 |
| MATZ MARILYN | — | -~$0.4M | 2 |
| JOHNSON MERCEDES | — | -~$0.1M | 2 |
| JOHNSON MERCEDES | — | -~$67K | 1 |
Transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| October 1, 2026 | JOHNSON MERCEDES | — | S | -167 | 402.9 | ~$67K |
| September 17, 2026 | MATZ MARILYN | — | S | -400 | 351.11 | ~$0.1M |
| September 15, 2026 | Smith Gregory Stephen | President and CEO | S | -4000 | 337.83 | ~$1.4M |
| September 15, 2026 | MATZ MARILYN | — | S | -800 | 337.83 | ~$0.3M |
| September 1, 2026 | JOHNSON MERCEDES | — | S | -167 | 341.3 | ~$57K |
| August 17, 2026 | MATZ MARILYN | — | S | -1200 | 425 | ~$0.5M |
| August 17, 2026 | Smith Gregory Stephen | President and CEO | S | -4000 | 425 | ~$1.7M |
| August 3, 2026 | JOHNSON MERCEDES | — | S | -166 | 358.15 | ~$59K |
| July 15, 2026 | MATZ MARILYN | — | S | -1200 | 356.31 | ~$0.4M |
| July 15, 2026 | Smith Gregory Stephen | President and CEO | S | -4000 | 356.31 | ~$1.4M |
| July 1, 2026 | JOHNSON MERCEDES | — | S | -167 | 460 | ~$77K |
| June 15, 2026 | MATZ MARILYN | — | S | -1200 | 423.03 | ~$0.5M |
| June 15, 2026 | Smith Gregory Stephen | President and CEO | S | -4000 | 423.03 | ~$1.7M |
| June 2, 2026 | JOHNSON MERCEDES | — | S | -167 | 369.74 | ~$62K |
| May 22, 2026 | Poulin Shannon John | President, Semiconductor Test | S | -656 | 355 | ~$0.2M |
| May 21, 2026 | Poulin Shannon John | President, Semiconductor Test | S | -1008 | 345.37 | ~$0.3M |
| May 21, 2026 | MATZ MARILYN | — | S | -400 | 350 | ~$0.1M |
| May 15, 2026 | Smith Gregory Stephen | President and CEO | S | -8597 | 338.98 | ~$2.9M |
| May 15, 2026 | MATZ MARILYN | — | S | -800 | 338.98 | ~$0.3M |
| May 7, 2026 | Driscoll Ryan | VP, General Counsel, Secretary | S | -680 | 377.6 | ~$0.3M |
| April 8, 2026 | Mills Regan | President, Product Test | S | -16 | 342.17 | ~$5K |
| April 6, 2026 | JOHNSON MERCEDES | — | S | -625 | 312.2 | ~$0.2M |
| April 2, 2026 | Mills Regan | President, Product Test | S | -252 | 290.88 | ~$73K |
| March 5, 2026 | JOHNSON MERCEDES | — | S | -625 | 299.2 | ~$0.2M |
| February 25, 2026 | Mills Regan | President, Product Test | S | -788 | 332.87 | ~$0.3M |
| February 5, 2026 | JOHNSON MERCEDES | — | S | -625 | 266.98 | ~$0.2M |
| January 5, 2026 | JOHNSON MERCEDES | — | S | -625 | 211.85 | ~$0.1M |
| December 12, 2025 | Smith Gregory Stephen | President and CEO | S | -1108 | 201.31 | ~$0.2M |
| December 5, 2025 | JOHNSON MERCEDES | — | S | -625 | 200 | ~$0.1M |
| November 12, 2025 | Smith Gregory Stephen | President and CEO | S | -1108 | 180.2 | ~$0.2M |
| November 5, 2025 | JOHNSON MERCEDES | — | S | -625 | 177.05 | ~$0.1M |
| October 10, 2025 | Smith Gregory Stephen | President and CEO | S | -1108 | 145.24 | ~$0.2M |
| October 6, 2025 | JOHNSON MERCEDES | — | S | -625 | 147.9 | ~$92K |
| September 22, 2025 | Smith Gregory Stephen | President and CEO | S | -554 | 126.39 | ~$70K |
| September 12, 2025 | Smith Gregory Stephen | President and CEO | S | -554 | 115 | ~$64K |
| September 5, 2025 | JOHNSON MERCEDES | — | S | -625 | 120.06 | ~$75K |
| August 12, 2025 | Smith Gregory Stephen | President and CEO | S | -554 | 106 | ~$59K |
| August 5, 2025 | JOHNSON MERCEDES | — | S | -625 | 106 | ~$66K |
| July 30, 2025 | Smith Gregory Stephen | President and CEO | S | -554 | 105.73 | ~$59K |
| July 30, 2025 | JOHNSON MERCEDES | — | S | -1875 | 105.73 | ~$0.2M |
| March 3, 2025 | JOHNSON MERCEDES | — | S | -625 | 110.96 | ~$69K |
| February 4, 2025 | Driscoll Ryan | VP, General Counsel, Secretary | S | -216 | 111.49 | ~$24K |
| February 4, 2025 | Burns Richard John | President, Semiconductor Test | S | -445 | 111.49 | ~$50K |
| February 4, 2025 | Mehta Sanjay | VP and Chief Financial Officer | S | -1384 | 111.49 | ~$0.2M |
| February 3, 2025 | JOHNSON MERCEDES | — | S | -625 | 112.58 | ~$70K |
| January 30, 2025 | Mehta Sanjay | VP and Chief Financial Officer | S | -614 | 102 | ~$63K |
| January 30, 2025 | Driscoll Ryan | VP, General Counsel, Secretary | S | -437 | 102 | ~$45K |
| January 29, 2025 | Driscoll Ryan | VP, General Counsel, Secretary | S | -76 | 122.9 | ~$9K |
| January 29, 2025 | Mehta Sanjay | VP and Chief Financial Officer | S | -5338 | 122.9 | ~$0.7M |
| January 29, 2025 | Burns Richard John | President, Semiconductor Test | S | -1477 | 122.9 | ~$0.2M |
| January 28, 2025 | Mehta Sanjay | VP and Chief Financial Officer | S | -1789 | 120.51 | ~$0.2M |
| January 28, 2025 | Burns Richard John | President, Semiconductor Test | 2 reported sale rows | 814 | — | ~$98K |
| January 28, 2025 | Burns Richard John | President, Semiconductor Test | S | -407 | 120.51 | ~$49K jointly filed |
| January 28, 2025 | Burns Richard John | President, Semiconductor Test | S | -407 | 120.51 | ~$49K jointly filed |
| January 28, 2025 | Driscoll Ryan | VP, General Counsel, Secretary | S | -107 | 120.51 | ~$13K |
| January 3, 2025 | Smith Gregory Stephen | President and CEO | S | -3080 | 130 | ~$0.4M |
| January 2, 2025 | JOHNSON MERCEDES | — | S | -625 | 126.76 | ~$79K |
| December 16, 2024 | Smith Gregory Stephen | President and CEO | S | -3080 | 130 | ~$0.4M |
| December 2, 2024 | JOHNSON MERCEDES | — | S | -625 | 110.04 | ~$69K |
| November 7, 2024 | JOHNSON MERCEDES | — | S | -625 | 111.42 | ~$70K |
| October 2, 2024 | Burns Richard John | President, Semiconductor Test | S | -191 | 129.68 | ~$25K |
| October 1, 2024 | Burns Richard John | President, Semiconductor Test | S | -789 | 132.8 | ~$0.1M |
| October 1, 2024 | Smith Gregory Stephen | President and CEO | S | -3080 | 132.8 | ~$0.4M |
| October 1, 2024 | JOHNSON MERCEDES | — | S | -625 | 132.8 | ~$83K |
| September 11, 2024 | Smith Gregory Stephen | President and CEO | S | -3080 | 130 | ~$0.4M |