Teradyne Inc (TER)

Teradyne Inc. insiders executed twenty-two transactions totaling over $12 million in sales during the past ninety days. These divestments occurred following a strong 21% earnings report beat. With the stock price near its annual peak, executives and directors consistently utilized planned selling strategies to reduce their equity holdings amidst significant market appreciation.
Ticker: TER Exchange: NSM


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Insider trades have triggered activity signals for Teradyne Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
452.61
Quantity 53,634 +15.4%
Value US$4,069,906
2.3
MATZ MARILYN Non-Executive Director
Transaction date
Planned sale
Price
98.95
Quantity 63,018 +42.9%
Value US$2,998,852
2.3
MATZ MARILYN Director Non-Executive Director
Transaction date
Proposed sale
Price
123.39
Quantity 19,425
Value US$856,698
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
425.00
Quantity 1,000
Value US$100,000
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
358.15
Quantity 166 -2.5%
Value US$59,453
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
358.15
Quantity 166
Value US$59,453
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
356.31
Quantity 4,000 -3.3%
Value US$1,425,240
2.3
MATZ MARILYN Non-Executive Director
Transaction date
Planned sale
Price
356.31
Quantity 1,200 -6.9%
Value US$427,572
2.3
MATZ MARILYN Director Non-Executive Director
Transaction date
Proposed sale
Price
356.31
Quantity 1,200
Value US$427,572
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
356.31
Quantity 4,000
Value US$1,425,240
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
460.00
Quantity 167 -2.4%
Value US$76,820
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
460.00
Quantity 167
Value US$76,820
2.3
MATZ MARILYN Non-Executive Director
Transaction date
Planned sale
Price
423.03
Quantity 1,200 -6.4%
Value US$507,636
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
423.03
Quantity 4,000 -3.2%
Value US$1,692,120
2.3
MATZ MARILYN Director Non-Executive Director
Transaction date
Proposed sale
Price
423.03
Quantity 1,200
Value US$507,636
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
423.03
Quantity 4,000
Value US$1,692,120
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
369.74
Quantity 167 -2.4%
Value US$61,747
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
369.74
Quantity 167
Value US$61,747
Poulin Shannon John President, Semiconductor Test Officer
Transaction date
Planned sale
Price
355.00
Quantity 656 -4.0%
Value US$232,880
Poulin Shannon John Officer Officer
Transaction date
Proposed sale
Price
355.00
Quantity 656
Value US$232,880
Poulin Shannon John President, Semiconductor Test Officer
Transaction date
Planned sale
Price
345.37
Quantity 1,008 -6.3%
Value US$348,133
2.3
MATZ MARILYN Non-Executive Director
Transaction date
Planned sale
Price
350.00
Quantity 400 -2.1%
Value US$140,000
2.3
MATZ MARILYN Director Non-Executive Director
Transaction date
Proposed sale
Price
350.00
Quantity 400
Value US$140,000
Poulin Shannon John Officer Officer
Transaction date
Proposed sale
Price
345.37
Quantity 1,008
Value US$348,133
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
338.98
Quantity 8,597 -6.5%
Value US$2,914,211
2.3
MATZ MARILYN Non-Executive Director
Transaction date
Planned sale
Price
338.98
Quantity 800 -4.0%
Value US$271,184
2.3
MATZ MARILYN Director Non-Executive Director
Transaction date
Proposed sale
Price
338.98
Quantity 800
Value US$271,184
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
338.98
Quantity 8,597
Value US$2,914,211
Driscoll Ryan VP, General Counsel, Secretary Officer
Transaction date
Planned sale
Price
377.60
Quantity 680 -8.1%
Value US$256,768
Driscoll Ryan Officer Officer
Transaction date
Proposed sale
Price
377.60
Quantity 680
Value US$256,768
Mills Regan President, Product Test Officer
Transaction date
Planned sale
Price
342.17
Quantity 16 -0.1%
Value US$5,475
Mills Regan Officer Officer
Transaction date
Proposed sale
Price
342.17
Quantity 16
Value US$5,475
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
312.20
Quantity 625 -8.9%
Value US$195,125
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
312.19
Quantity 625
Value US$195,121
Mills Regan President, Product Test Officer
Transaction date
Planned sale
Price
290.88
Quantity 252 -2.2%
Value US$73,302
Mills Regan Officer Officer
Transaction date
Proposed sale
Price
290.88
Quantity 252
Value US$73,302
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
299.20
Quantity 625 -8.2%
Value US$187,000
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
299.22
Quantity 625
Value US$187,012
Mills Regan President, Product Test Officer
Transaction date
Planned sale
Price
332.87
Quantity 788 -6.2%
Value US$262,302
Mills Regan Officer Officer
Transaction date
Proposed sale
Price
332.87
Quantity 788
Value US$262,302
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
266.98
Quantity 625 -7.6%
Value US$166,862
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
266.98
Quantity 625
Value US$166,862
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
211.85
Quantity 625 -7.1%
Value US$132,406
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
211.85
Quantity 625
Value US$132,406
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
201.31
Quantity 1,108 -1.2%
Value US$223,051
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
201.31
Quantity 1,108
Value US$223,051
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
200.00
Quantity 625 -6.6%
Value US$125,000
Ruzicka Kristin Officer Officer
Transaction date
Proposed sale
Price
77.25
Quantity 2,129
Value US$164,465
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
200.00
Quantity 625
Value US$125,000
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
180.20
Quantity 1,108 -1.2%
Value US$199,662
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
180.20
Quantity 1,108
Value US$199,662
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
177.05
Quantity 625 -6.2%
Value US$110,656
Kumar Ujjwal Former Officer Officer
Transaction date
Proposed sale
Price
185.00
Quantity 3,942
Value US$729,270
2.1
Mehta Sanjay Officer Officer
Transaction date
Proposed sale
Price
180.00
Quantity 6,331
Value US$1,139,580
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
177.05
Quantity 625
Value US$110,656
2.1
Mehta Sanjay Officer Officer
Transaction date
Proposed sale
Price
177.66
Quantity 6,330
Value US$1,124,571
Kumar Ujjwal Former Officer Officer
Transaction date
Proposed sale
Price
28.65
Quantity 2
Value US$57
Kumar Ujjwal Former Officer Officer
Transaction date
Proposed sale
Price
150.00
Quantity 2,861
Value US$429,150
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
145.24
Quantity 1,108 -1.2%
Value US$160,926
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
145.24
Quantity 1,108
Value US$160,926
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
147.90
Quantity 625 -5.8%
Value US$92,438
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
147.90
Quantity 625
Value US$92,438
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
126.39
Quantity 554 -0.6%
Value US$70,020
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
126.39
Quantity 554
Value US$70,020
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
115.00
Quantity 554 -0.6%
Value US$63,710
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
115.00
Quantity 554
Value US$63,710
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
120.06
Quantity 625 -5.5%
Value US$75,038
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
120.06
Quantity 625
Value US$75,038
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
106.00
Quantity 554 -0.6%
Value US$58,724
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
106.00
Quantity 554
Value US$58,724
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
106.00
Quantity 625 -5.2%
Value US$66,250
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
106.00
Quantity 625
Value US$66,250
Burns Richard John Former Officer Officer
Transaction date
Proposed sale
Price
107.78
Quantity 1,066
Value US$114,895
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
105.73
Quantity 1,875 -13.5%
Value US$198,244
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
105.73
Quantity 554 -0.6%
Value US$58,574
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-08-18 2026-08-17 PlS Planned sale

President and CEO

Executive Director
53,634 +15.4%
452.61
US$4,069,906
53,634 +15.4% 452.61 US$4,069,906
2026-08-18 2026-08-17 PlS Planned sale Non-Executive Director
63,018 +42.9%
98.95
US$2,998,852
63,018 +42.9% 98.95 US$2,998,852
2026-08-17 2026-08-17 PrS Proposed sale

Director

Non-Executive Director
19,425
123.39
US$856,698
19,425 123.39 US$856,698
2026-08-17 2026-08-17 PrS Proposed sale

Officer; Director

Executive Director
1,000
425.00
US$100,000
1,000 425.00 US$100,000
2026-08-04 2026-08-03 PlS Planned sale Non-Executive Director
166 -2.5%
358.15
US$59,453
166 -2.5% 358.15 US$59,453
2026-08-03 2026-08-03 PrS Proposed sale

Director

Non-Executive Director
166
358.15
US$59,453
166 358.15 US$59,453
2026-07-16 2026-07-15 PlS Planned sale

President and CEO

Executive Director
4,000 -3.3%
356.31
US$1,425,240
4,000 -3.3% 356.31 US$1,425,240
2026-07-16 2026-07-15 PlS Planned sale Non-Executive Director
1,200 -6.9%
356.31
US$427,572
1,200 -6.9% 356.31 US$427,572
2026-07-15 2026-07-15 PrS Proposed sale

Director

Non-Executive Director
1,200
356.31
US$427,572
1,200 356.31 US$427,572
2026-07-15 2026-07-15 PrS Proposed sale

Officer; Director

Executive Director
4,000
356.31
US$1,425,240
4,000 356.31 US$1,425,240
2026-07-02 2026-07-01 PlS Planned sale Non-Executive Director
167 -2.4%
460.00
US$76,820
167 -2.4% 460.00 US$76,820
2026-07-01 2026-07-01 PrS Proposed sale

Director

Non-Executive Director
167
460.00
US$76,820
167 460.00 US$76,820
2026-06-16 2026-06-15 PlS Planned sale Non-Executive Director
1,200 -6.4%
423.03
US$507,636
1,200 -6.4% 423.03 US$507,636
2026-06-16 2026-06-15 PlS Planned sale

President and CEO

Executive Director
4,000 -3.2%
423.03
US$1,692,120
4,000 -3.2% 423.03 US$1,692,120
2026-06-15 2026-06-15 PrS Proposed sale

Director

Non-Executive Director
1,200
423.03
US$507,636
1,200 423.03 US$507,636
2026-06-15 2026-06-15 PrS Proposed sale

Officer; Director

Executive Director
4,000
423.03
US$1,692,120
4,000 423.03 US$1,692,120
2026-06-03 2026-06-02 PlS Planned sale Non-Executive Director
167 -2.4%
369.74
US$61,747
167 -2.4% 369.74 US$61,747
2026-06-02 2026-06-02 PrS Proposed sale

Director

Non-Executive Director
167
369.74
US$61,747
167 369.74 US$61,747
2026-05-26 2026-05-22 PlS Planned sale

President, Semiconductor Test

Officer
656 -4.0%
355.00
US$232,880
656 -4.0% 355.00 US$232,880
2026-05-22 2026-05-22 PrS Proposed sale

Officer

Officer
656
355.00
US$232,880
656 355.00 US$232,880
2026-05-26 2026-05-21 PlS Planned sale

President, Semiconductor Test

Officer
1,008 -6.3%
345.37
US$348,133
1,008 -6.3% 345.37 US$348,133
2026-05-26 2026-05-21 PlS Planned sale Non-Executive Director
400 -2.1%
350.00
US$140,000
400 -2.1% 350.00 US$140,000
2026-05-21 2026-05-21 PrS Proposed sale

Director

Non-Executive Director
400
350.00
US$140,000
400 350.00 US$140,000
2026-05-21 2026-05-21 PrS Proposed sale

Officer

Officer
1,008
345.37
US$348,133
1,008 345.37 US$348,133
2026-05-19 2026-05-15 PlS Planned sale

President and CEO

Executive Director
8,597 -6.5%
338.98
US$2,914,211
8,597 -6.5% 338.98 US$2,914,211
2026-05-19 2026-05-15 PlS Planned sale Non-Executive Director
800 -4.0%
338.98
US$271,184
800 -4.0% 338.98 US$271,184
2026-05-15 2026-05-15 PrS Proposed sale

Director

Non-Executive Director
800
338.98
US$271,184
800 338.98 US$271,184
2026-05-15 2026-05-15 PrS Proposed sale

Officer; Director

Executive Director
8,597
338.98
US$2,914,211
8,597 338.98 US$2,914,211
2026-05-11 2026-05-07 PlS Planned sale

VP, General Counsel, Secretary

Officer
680 -8.1%
377.60
US$256,768
680 -8.1% 377.60 US$256,768
2026-05-07 2026-05-07 PrS Proposed sale

Officer

Officer
680
377.60
US$256,768
680 377.60 US$256,768
2026-04-09 2026-04-08 PlS Planned sale

President, Product Test

Officer
16 -0.1%
342.17
US$5,475
16 -0.1% 342.17 US$5,475
2026-04-08 2026-04-08 PrS Proposed sale

Officer

Officer
16
342.17
US$5,475
16 342.17 US$5,475
2026-04-07 2026-04-06 PlS Planned sale Non-Executive Director
625 -8.9%
312.20
US$195,125
625 -8.9% 312.20 US$195,125
2026-04-06 2026-04-06 PrS Proposed sale

Director

Non-Executive Director
625
312.19
US$195,121
625 312.19 US$195,121
2026-04-03 2026-04-02 PlS Planned sale

President, Product Test

Officer
252 -2.2%
290.88
US$73,302
252 -2.2% 290.88 US$73,302
2026-04-02 2026-04-02 PrS Proposed sale

Officer

Officer
252
290.88
US$73,302
252 290.88 US$73,302
2026-03-06 2026-03-05 PlS Planned sale Non-Executive Director
625 -8.2%
299.20
US$187,000
625 -8.2% 299.20 US$187,000
2026-03-05 2026-03-05 PrS Proposed sale

Director

Non-Executive Director
625
299.22
US$187,012
625 299.22 US$187,012
2026-02-27 2026-02-25 PlS Planned sale

President, Product Test

Officer
788 -6.2%
332.87
US$262,302
788 -6.2% 332.87 US$262,302
2026-02-25 2026-02-25 PrS Proposed sale

Officer

Officer
788
332.87
US$262,302
788 332.87 US$262,302
2026-02-06 2026-02-05 PlS Planned sale Non-Executive Director
625 -7.6%
266.98
US$166,862
625 -7.6% 266.98 US$166,862
2026-02-05 2026-02-05 PrS Proposed sale

Director

Non-Executive Director
625
266.98
US$166,862
625 266.98 US$166,862
2026-01-06 2026-01-05 PlS Planned sale Non-Executive Director
625 -7.1%
211.85
US$132,406
625 -7.1% 211.85 US$132,406
2026-01-05 2026-01-05 PrS Proposed sale

Director

Non-Executive Director
625
211.85
US$132,406
625 211.85 US$132,406
2025-12-15 2025-12-12 PlS Planned sale

President and CEO

Executive Director
1,108 -1.2%
201.31
US$223,051
1,108 -1.2% 201.31 US$223,051
2025-12-12 2025-12-12 PrS Proposed sale

Officer; Director

Executive Director
1,108
201.31
US$223,051
1,108 201.31 US$223,051
2025-12-08 2025-12-05 PlS Planned sale Non-Executive Director
625 -6.6%
200.00
US$125,000
625 -6.6% 200.00 US$125,000
2025-12-05 2025-12-05 PrS Proposed sale

Officer

Officer
2,129
77.25
US$164,465
2,129 77.25 US$164,465
2025-12-05 2025-12-05 PrS Proposed sale

Director

Non-Executive Director
625
200.00
US$125,000
625 200.00 US$125,000
2025-11-14 2025-11-12 PlS Planned sale

President and CEO

Executive Director
1,108 -1.2%
180.20
US$199,662
1,108 -1.2% 180.20 US$199,662
2025-11-12 2025-11-12 PrS Proposed sale

Officer; Director

Executive Director
1,108
180.20
US$199,662
1,108 180.20 US$199,662
2025-11-07 2025-11-05 PlS Planned sale Non-Executive Director
625 -6.2%
177.05
US$110,656
625 -6.2% 177.05 US$110,656
2025-11-05 2025-11-05 PrS Proposed sale

Former Officer

Officer
3,942
185.00
US$729,270
3,942 185.00 US$729,270
2025-11-05 2025-11-05 PrS Proposed sale

Officer

Officer
6,331
180.00
US$1,139,580
6,331 180.00 US$1,139,580
2025-11-05 2025-11-05 PrS Proposed sale

Director

Non-Executive Director
625
177.05
US$110,656
625 177.05 US$110,656
2025-11-04 2025-11-04 PrS Proposed sale

Officer

Officer
6,330
177.66
US$1,124,571
6,330 177.66 US$1,124,571
2025-11-03 2025-11-03 PrS Proposed sale

Former Officer

Officer
2
28.65
US$57
2 28.65 US$57
2025-10-27 2025-10-27 PrS Proposed sale

Former Officer

Officer
2,861
150.00
US$429,150
2,861 150.00 US$429,150
2025-10-15 2025-10-10 PlS Planned sale

President and CEO

Executive Director
1,108 -1.2%
145.24
US$160,926
1,108 -1.2% 145.24 US$160,926
2025-10-10 2025-10-10 PrS Proposed sale

Officer; Director

Executive Director
1,108
145.24
US$160,926
1,108 145.24 US$160,926
2025-10-08 2025-10-06 PlS Planned sale Non-Executive Director
625 -5.8%
147.90
US$92,438
625 -5.8% 147.90 US$92,438
2025-10-06 2025-10-06 PrS Proposed sale

Director

Non-Executive Director
625
147.90
US$92,438
625 147.90 US$92,438
2025-09-24 2025-09-22 PlS Planned sale

President and CEO

Executive Director
554 -0.6%
126.39
US$70,020
554 -0.6% 126.39 US$70,020
2025-09-22 2025-09-22 PrS Proposed sale

Officer; Director

Executive Director
554
126.39
US$70,020
554 126.39 US$70,020
2025-09-16 2025-09-12 PlS Planned sale

President and CEO

Executive Director
554 -0.6%
115.00
US$63,710
554 -0.6% 115.00 US$63,710
2025-09-12 2025-09-12 PrS Proposed sale

Officer; Director

Executive Director
554
115.00
US$63,710
554 115.00 US$63,710
2025-09-09 2025-09-05 PlS Planned sale Non-Executive Director
625 -5.5%
120.06
US$75,038
625 -5.5% 120.06 US$75,038
2025-09-05 2025-09-05 PrS Proposed sale

Director

Non-Executive Director
625
120.06
US$75,038
625 120.06 US$75,038
2025-08-14 2025-08-12 PlS Planned sale

President and CEO

Executive Director
554 -0.6%
106.00
US$58,724
554 -0.6% 106.00 US$58,724
2025-08-12 2025-08-12 PrS Proposed sale

Officer; Director

Executive Director
554
106.00
US$58,724
554 106.00 US$58,724
2025-08-07 2025-08-05 PlS Planned sale Non-Executive Director
625 -5.2%
106.00
US$66,250
625 -5.2% 106.00 US$66,250
2025-08-05 2025-08-05 PrS Proposed sale

Director

Non-Executive Director
625
106.00
US$66,250
625 106.00 US$66,250
2025-07-31 2025-07-31 PrS Proposed sale

Former Officer

Officer
1,066
107.78
US$114,895
1,066 107.78 US$114,895
2025-08-01 2025-07-30 PlS Planned sale Non-Executive Director
1,875 -13.5%
105.73
US$198,244
1,875 -13.5% 105.73 US$198,244
2025-08-01 2025-07-30 PlS Planned sale

President and CEO

Executive Director
554 -0.6%
105.73
US$58,574
554 -0.6% 105.73 US$58,574