15 insiders reported 111 Form 4 transactions for TERADYNE, INC (TER) over the past 18 months (most recent 2026-08-18). Recent activity: MATZ MARILYN (Director) Sell 1,200 shares, Smith Gregory Stephen (President and CEO) Sell 4,000 shares, JOHNSON MERCEDES (Director) Sell 166 shares, MATZ MARILYN (Director) Sell 1,200 shares, Smith Gregory Stephen (President and CEO) Sell 4,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 | Smith Gregory Stephen | President and CEO | Sell | 4,000 | $1.7M |
| 2026-06-16 | MADDOCK ERNEST E | Director | Buy | 2 | $0 |
| 2026-06-16 | MATZ MARILYN | Director | Sell | 1,200 | $507,636 |
| 2026-06-16 | TUFANO PAUL J | Director | Buy | 19 | $0 |
| 2026-06-16 | Herweck Peter | Director | Buy | 4 | $0 |
| 2026-06-03 | Hathout Jean Pierre | President, Teradyne Robotics | Sell | 267 | $98,648 |
| 2026-06-03 | JOHNSON MERCEDES | Director | Sell | 167 | $61,747 |
| 2026-06-03 | Hathout Jean Pierre | President, Teradyne Robotics | Sell | 174 | $68,316 |
| 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 |
| 2026-05-26 | Poulin Shannon John | President, Semiconductor Test | Sell | 656 | $232,880 |
| 2026-05-19 | MATZ MARILYN | Director | Sell | 800 | $271,184 |
| 2026-05-19 | Smith Gregory Stephen | President and CEO | Buy | 4,597 | $331,444 |
| 2026-05-19 | Smith Gregory Stephen | President and CEO | Sell | 8,597 | $2.9M |
Source: SEC Form 4 filings · as of 2026-08-18