Teradyne (TER) — insider trading
Information Technology · NASDAQ
Teradyne (TER) has 52 reported SEC Form 4 insider transactions in our data, including 23 open-market sales among the most recent 52 (latest 2026-10-01).
Recent Form 4 transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-10-01 | JOHNSON MERCEDES | Director | Open-market sale | 167 | $402.90 | $67.3K | Form 4 |
| 2026-09-25 | TUFANO PAUL J | Director | Other acquisition or disposition | 19 | — | $0 | Form 4 |
| 2026-09-25 | MADDOCK ERNEST E | Director | Other acquisition or disposition | 2 | — | $0 | Form 4 |
| 2026-09-25 | Herweck Peter | Director | Other acquisition or disposition | 4 | — | $0 | Form 4 |
| 2026-09-24 | TUFANO PAUL J | Director | Grant / award / vesting | 141 | — | $0 | Form 4 |
| 2026-09-24 | Herweck Peter | Director | Grant / award / vesting | 77 | — | $0 | Form 4 |
| 2026-09-24 | Henry Andrew Chisholm | Director | Grant / award / vesting | 64 | — | $0 | Form 4 |
| 2026-09-17 | MATZ MARILYN | Director | Open-market sale | 400 | $351.11 | $140.4K | Form 4 |
| 2026-09-15 | Smith Gregory Stephen | Director, Officer (President and CEO) | Open-market sale | 4,000 | $337.83 | $1.35M | Form 4 |
| 2026-09-15 | MATZ MARILYN | Director | Open-market sale | 800 | $337.83 | $270.3K | Form 4 |
| 2026-09-01 | JOHNSON MERCEDES | Director | Open-market sale | 167 | $341.30 | $57.0K | Form 4 |
| 2026-08-17 | MATZ MARILYN | Director | Open-market sale | 1,200 | $425.00 | $510.0K | Form 4 |
| 2026-08-17 | Smith Gregory Stephen | Director, Officer (President and CEO) | Open-market sale | 4,000 | $425.00 | $1.70M | Form 4 |
| 2026-08-03 | JOHNSON MERCEDES | Director | Open-market sale | 166 | $358.15 | $59.5K | Form 4 |
| 2026-07-15 | MATZ MARILYN | Director | Open-market sale | 1,200 | $356.31 | $427.6K | Form 4 |
| 2026-07-15 | Smith Gregory Stephen | Director, Officer (President and CEO) | Open-market sale | 4,000 | $356.31 | $1.43M | Form 4 |
| 2026-07-01 | JOHNSON MERCEDES | Director | Open-market sale | 167 | $460.00 | $76.8K | Form 4 |
| 2026-06-25 | Herweck Peter | Director | Grant / award / vesting | 63 | — | $0 | Form 4 |
| 2026-06-25 | Henry Andrew Chisholm | Director | Grant / award / vesting | 52 | — | $0 | Form 4 |
| 2026-06-25 | TUFANO PAUL J | Director | Grant / award / vesting | 116 | — | $0 | Form 4 |
| 2026-06-15 | Smith Gregory Stephen | Director, Officer (President and CEO) | Open-market sale | 4,000 | $423.03 | $1.69M | Form 4 |
| 2026-06-15 | MATZ MARILYN | Director | Open-market sale | 1,200 | $423.03 | $507.6K | Form 4 |
| 2026-06-12 | TUFANO PAUL J | Director | Other acquisition or disposition | 19 | — | $0 | Form 4 |
| 2026-06-12 | Herweck Peter | Director | Other acquisition or disposition | 4 | — | $0 | Form 4 |
| 2026-06-12 | MADDOCK ERNEST E | Director | Other acquisition or disposition | 2 | — | $0 | Form 4 |
| 2026-06-02 | JOHNSON MERCEDES | Director | Open-market sale | 167 | $369.74 | $61.7K | Form 4 |
| 2026-06-02 | Hathout Jean Pierre | Officer (President, Teradyne Robotics) | Shares withheld for taxes / exercise cost | 174 | $392.62 | $68.3K | Form 4 |
| 2026-06-01 | Hathout Jean Pierre | Officer (President, Teradyne Robotics) | Shares withheld for taxes / exercise cost | 267 | $369.47 | $98.6K | Form 4 |
| 2026-05-22 | Poulin Shannon John | Officer (President, Semiconductor Test) | Open-market sale | 656 | $355.00 | $232.9K | Form 4 |
| 2026-05-21 | MATZ MARILYN | Director | Open-market sale | 400 | $350.00 | $140.0K | Form 4 |
| 2026-05-21 | Poulin Shannon John | Officer (President, Semiconductor Test) | Option exercise / conversion (derivative) | 2,843 | — | $0 | Form 4 |
| 2026-05-21 | Poulin Shannon John | Officer (President, Semiconductor Test) | Shares withheld for taxes / exercise cost | 1,531 | $345.98 | $529.7K | Form 4 |
| 2026-05-21 | Poulin Shannon John | Officer (President, Semiconductor Test) | Option exercise / conversion | 2,843 | $82.61 | $234.9K | Form 4 |
| 2026-05-21 | Poulin Shannon John | Officer (President, Semiconductor Test) | Open-market sale | 1,008 | $345.37 | $348.1K | Form 4 |
| 2026-05-15 | MATZ MARILYN | Director | Open-market sale | 800 | $338.98 | $271.2K | Form 4 |
| 2026-05-15 | Smith Gregory Stephen | Director, Officer (President and CEO) | Option exercise / conversion (derivative) | 4,597 | — | $0 | Form 4 |
| 2026-05-15 | Smith Gregory Stephen | Director, Officer (President and CEO) | Open-market sale | 8,597 | $338.98 | $2.91M | Form 4 |
| 2026-05-15 | Smith Gregory Stephen | Director, Officer (President and CEO) | Option exercise / conversion | 4,597 | $72.10 | $331.4K | Form 4 |
| 2026-05-08 | Henry Andrew Chisholm | Director | Grant / award / vesting | 668 | — | $0 | Form 4 |
| 2026-05-08 | MADDOCK ERNEST E | Director | Grant / award / vesting | 668 | — | $0 | Form 4 |
| 2026-05-08 | Sayiner Necip | Director | Grant / award / vesting | 668 | — | $0 | Form 4 |
| 2026-05-08 | TUFANO PAUL J | Director | Grant / award / vesting | 668 | — | $0 | Form 4 |
| 2026-05-08 | van Kralingen Bridget A | Director | Grant / award / vesting | 668 | — | $0 | Form 4 |
| 2026-05-08 | MATZ MARILYN | Director | Grant / award / vesting | 668 | — | $0 | Form 4 |
| 2026-05-08 | JOHNSON MERCEDES | Director | Grant / award / vesting | 668 | — | $0 | Form 4 |
| 2026-05-08 | Herweck Peter | Director | Grant / award / vesting | 668 | — | $0 | Form 4 |
| 2026-05-07 | Driscoll Ryan | Officer (VP, General Counsel, Secretary) | Open-market sale | 680 | $377.60 | $256.8K | Form 4 |
| 2026-04-08 | Mills Regan | Officer (President, Product Test) | Open-market sale | 16 | $342.17 | $5.5K | Form 4 |
| 2026-04-06 | JOHNSON MERCEDES | Director | Open-market sale | 625 | $312.20 | $195.1K | Form 4 |
| 2026-04-02 | Mills Regan | Officer (President, Product Test) | Open-market sale | 252 | $290.88 | $73.3K | Form 4 |
| 2026-04-01 | Mills Regan | Officer (President, Product Test) | Shares withheld for taxes / exercise cost | 222 | $312.20 | $69.3K | Form 4 |
| 2026-04-01 | Poulin Shannon John | Officer (President, Semiconductor Test) | Shares withheld for taxes / exercise cost | 1,162 | $312.20 | $362.8K | Form 4 |
Ask the chat about TER's insider activity →
Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: Teradyne (TER).
Last updated 2026-10-01 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.