15 insiders reported 109 Form 4 transactions for TERADYNE, INC (TER) over the past 18 months (most recent 2026-09-18). Recent activity: MATZ MARILYN (Director) Sell 400 shares, MATZ MARILYN (Director) Sell 800 shares, Smith Gregory Stephen (President and CEO) Sell 4,000 shares, JOHNSON MERCEDES (Director) Sell 167 shares, MATZ MARILYN (Director) Sell 1,200 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-18 | MATZ MARILYN | Director | Sell | 400 | $140,444 |
| 2026-09-16 | MATZ MARILYN | Director | Sell | 800 | $270,264 |
| 2026-09-16 | Smith Gregory Stephen | President and CEO | Sell | 4,000 | $1.4M |
| 2026-09-02 | JOHNSON MERCEDES | Director | Sell | 167 | $56,997 |
| 2026-08-18 | MATZ MARILYN | Director | Sell | 1,200 | $510,000 |
| 2026-08-18 | Smith Gregory Stephen | President and CEO | Sell | 4,000 | $1.7M |
| 2026-08-04 | JOHNSON MERCEDES | Director | Sell | 166 | $59,453 |
| 2026-07-16 | MATZ MARILYN | Director | Sell | 1,200 | $427,572 |
| 2026-07-16 | Smith Gregory Stephen | President and CEO | Sell | 4,000 | $1.4M |
| 2026-07-02 | JOHNSON MERCEDES | Director | Sell | 167 | $76,820 |
| 2026-06-29 | TUFANO PAUL J | Director | Buy | 116 | $0 |
| 2026-06-29 | Herweck Peter | Director | Buy | 63 | $0 |
| 2026-06-29 | Henry Andrew Chisholm | Director | Buy | 52 | $0 |
| 2026-06-16 | MADDOCK ERNEST E | Director | Buy | 2 | $0 |
| 2026-06-16 | MATZ MARILYN | Director | Sell | 1,200 | $507,636 |
| 2026-06-16 | Herweck Peter | Director | Buy | 4 | $0 |
| 2026-06-16 | TUFANO PAUL J | Director | Buy | 19 | $0 |
| 2026-06-16 | Smith Gregory Stephen | President and CEO | Sell | 4,000 | $1.7M |
| 2026-06-03 | Hathout Jean Pierre | President, Teradyne Robotics | Sell | 267 | $98,648 |
| 2026-06-03 | Hathout Jean Pierre | President, Teradyne Robotics | Sell | 174 | $68,316 |
| 2026-06-03 | JOHNSON MERCEDES | Director | Sell | 167 | $61,747 |
| 2026-05-26 | MATZ MARILYN | Director | Sell | 400 | $140,000 |
| 2026-05-26 | Poulin Shannon John | President, Semiconductor Test | Sell | 1,008 | $348,133 |
| 2026-05-26 | Poulin Shannon John | President, Semiconductor Test | Buy | 2,843 | $234,860 |
| 2026-05-26 | Poulin Shannon John | President, Semiconductor Test | Sell | 1,531 | $529,695 |
Source: SEC Form 4 filings · as of 2026-09-18