There have been 50 recent insider transactions recorded for Teradyne, Inc. (TER), including 20 buys and 28 sells. Total insider buying was valued at $6.81M and total insider selling at $12.19M.
Notable insiders with recent activity include Johnson Mercedes, Mills Regan, Poulin Shannon John. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — TER
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-06 |
Johnson Mercedes |
Director |
Informative Sell |
625 |
$312.20 |
$195.13K |
6,363 |
| 2026-04-02 |
Mills Regan |
President, Product Test |
Informative Sell |
252 |
$290.88 |
$73.3K |
11,415 |
| 2026-04-01 |
Mills Regan |
President, Product Test |
Tax Withholding of RSU |
222 |
$312.20 |
$69.31K |
11,667 |
| 2026-04-01 |
Poulin Shannon John |
President, Semiconductor Test |
Tax Withholding of RSU |
1,162 |
$312.20 |
$362.78K |
16,074 |
| 2026-03-26 |
Tufano Paul J |
Director |
RSU Award |
159 |
- |
- |
65,045 |
| 2026-03-26 |
Herweck Peter |
Director |
RSU Award |
92 |
- |
- |
15,466 |
| 2026-03-26 |
Henry Andrew Chisholm |
Director |
RSU Award |
75 |
- |
- |
2,207 |
| 2026-03-13 |
Tufano Paul J |
Director |
Other (Buy) |
25 |
- |
- |
64,886 |
| 2026-03-13 |
Maddock Ernest E |
Director |
Other (Buy) |
2 |
- |
- |
9,597 |
| 2026-03-13 |
Herweck Peter |
Director |
Other (Buy) |
5 |
- |
- |
15,374 |
| 2026-03-05 |
Johnson Mercedes |
Director |
Informative Sell |
625 |
$299.20 |
$187K |
6,988 |
| 2026-02-25 |
Mills Regan |
President, Product Test |
Informative Sell |
788 |
$332.87 |
$262.3K |
11,889 |
| 2026-02-05 |
Johnson Mercedes |
Director |
Informative Sell |
625 |
$266.98 |
$166.86K |
7,613 |
| 2026-02-04 |
Driscoll Ryan |
VP, General Counsel, Secretary |
RSU Award |
1,575 |
$269.07 |
$423.79K |
1,575 |
| 2026-02-04 |
Smith Gregory Stephen |
President and CEO |
RSU Award |
11,810 |
$269.07 |
$3.18M |
11,810 |
| 2026-02-04 |
Mills Regan |
President, Product Test |
RSU Award |
886 |
$269.07 |
$238.4K |
886 |
| 2026-02-04 |
Poulin Shannon John |
President, Semiconductor Test |
RSU Award |
3,937 |
$269.07 |
$1.06M |
3,937 |
| 2026-02-04 |
Hathout Jean Pierre |
President, Teradyne Robotics |
RSU Award |
886 |
$269.07 |
$238.4K |
886 |
| 2026-02-02 |
Driscoll Ryan |
VP, General Counsel, Secretary |
Tax Withholding of RSU |
414 |
$249.53 |
$103.31K |
6,561 |
| 2026-02-02 |
Smith Gregory Stephen |
President and CEO |
Tax Withholding of RSU |
6,763 |
$249.53 |
$1.69M |
115,090 |
| 2026-02-02 |
Mills Regan |
President, Product Test |
Tax Withholding of RSU |
345 |
$249.53 |
$86.09K |
11,673 |
| 2026-02-02 |
Hathout Jean Pierre |
President, Teradyne Robotics |
Tax Withholding of RSU |
381 |
$249.53 |
$95.07K |
9,170 |
| 2026-01-28 |
Driscoll Ryan |
VP, General Counsel, Secretary |
Tax Withholding of RSU |
82 |
$250.48 |
$20.54K |
6,975 |
| 2026-01-28 |
Smith Gregory Stephen |
President and CEO |
Tax Withholding of RSU |
486 |
$250.48 |
$121.73K |
121,853 |
| 2026-01-28 |
Mills Regan |
President, Product Test |
Tax Withholding of RSU |
167 |
$250.48 |
$41.83K |
12,018 |
| 2026-01-27 |
Driscoll Ryan |
VP, General Counsel, Secretary |
Tax Withholding of RSU |
113 |
$238.94 |
$27K |
7,057 |
| 2026-01-27 |
Smith Gregory Stephen |
President and CEO |
Tax Withholding of RSU |
30,610 |
$238.94 |
$7.31M |
122,339 |
| 2026-01-27 |
Mills Regan |
President, Product Test |
Tax Withholding of RSU |
193 |
$238.94 |
$46.12K |
12,185 |
| 2026-01-05 |
Johnson Mercedes |
Director |
Informative Sell |
625 |
$211.85 |
$132.41K |
8,238 |
| 2025-12-17 |
Tufano Paul J |
Director |
RSU Award |
256 |
- |
- |
64,825 |
| 2025-12-17 |
Maddock Ernest E |
Director |
Other (Buy) |
2 |
- |
- |
9,595 |
| 2025-12-17 |
Herweck Peter |
Director |
RSU Award |
148 |
- |
- |
15,362 |
| 2025-12-12 |
Smith Gregory Stephen |
President and CEO |
Informative Sell |
1,108 |
$201.31 |
$223.05K |
93,409 |
| 2025-12-05 |
Johnson Mercedes |
Director |
Informative Sell |
625 |
$200.00 |
$125K |
8,863 |
| 2025-11-12 |
Smith Gregory Stephen |
President and CEO |
Informative Sell |
1,108 |
$180.20 |
$199.66K |
94,517 |
| 2025-11-05 |
Johnson Mercedes |
Director |
Informative Sell |
625 |
$177.05 |
$110.66K |
9,488 |
| 2025-11-05 |
Smith Gregory Stephen |
President and CEO |
Option Exercise (Sell) |
2,072 |
$36.75 |
$76.15K |
- |
| 2025-11-03 |
Turner Michelle L. |
Chief Financial Officer |
Unknown |
- |
- |
- |
116 |
| 2025-11-03 |
Turner Michelle L. |
Chief Financial Officer |
RSU Award |
9,156 |
$183.07 |
$1.68M |
9,156 |
| 2025-10-10 |
Smith Gregory Stephen |
President and CEO |
Informative Sell |
1,108 |
$145.24 |
$160.93K |
94,777 |
| 2025-10-06 |
Johnson Mercedes |
Director |
Informative Sell |
625 |
$147.90 |
$92.44K |
10,113 |
| 2025-09-29 |
Tufano Paul J |
Director |
Other (Buy) |
49 |
- |
- |
64,569 |
| 2025-09-29 |
Maddock Ernest E |
Director |
Other (Buy) |
3 |
- |
- |
9,593 |
| 2025-09-29 |
Herweck Peter |
Director |
Other (Buy) |
9 |
- |
- |
15,214 |
| 2025-09-25 |
Tufano Paul J |
Director |
RSU Award |
357 |
- |
- |
64,520 |
| 2025-09-25 |
Herweck Peter |
Director |
RSU Award |
206 |
- |
- |
15,205 |
| 2025-09-22 |
Smith Gregory Stephen |
President and CEO |
Informative Sell |
554 |
$126.39 |
$70.02K |
95,885 |
| 2025-09-12 |
Smith Gregory Stephen |
President and CEO |
Informative Sell |
554 |
$115.00 |
$63.71K |
96,439 |
| 2025-09-05 |
Johnson Mercedes |
Director |
Informative Sell |
625 |
$120.06 |
$75.04K |
10,738 |
| 2025-09-02 |
Hathout Jean Pierre |
President, Teradyne Robotics |
Unknown |
- |
- |
- |
9,551 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
