Teradyne Inc (TER)

Teradyne Inc. insiders executed nineteen transactions totaling approximately 11.95 million dollars in sales over the past ninety days. These divestments occurred following a positive earnings report. Stock performance remains near yearly highs, reflecting significant market appreciation. Key leadership, including the CEO, participated in these planned liquidations, indicating consistent selling activity among corporate officers and directors.
Ticker: TER Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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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
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
219.65
Quantity 76,612 +17.4%
Value US$2,988,253
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
113.70
Quantity 34,984
Value US$4,435,631
2.3
MATZ MARILYN Non-Executive Director
Transaction date
Planned sale
Price
166.43
Quantity 52,297 +21.0%
Value US$408,365
2.3
MATZ MARILYN Director Non-Executive Director
Transaction date
Proposed sale
Price
351.11
Quantity 400
Value US$140,444
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
337.83
Quantity 4,000 -3.6%
Value US$1,351,320
2.3
MATZ MARILYN Non-Executive Director
Transaction date
Planned sale
Price
337.83
Quantity 800 -5.3%
Value US$270,264
2.3
MATZ MARILYN Director Non-Executive Director
Transaction date
Proposed sale
Price
337.83
Quantity 800
Value US$270,264
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
337.83
Quantity 4,000
Value US$1,351,320
2.9
JOHNSON MERCEDES Non-Executive Director
Transaction date
Planned sale
Price
341.30
Quantity 167 -2.6%
Value US$56,997
2.9
JOHNSON MERCEDES Director Non-Executive Director
Transaction date
Proposed sale
Price
341.30
Quantity 167
Value US$56,997
2.9
Smith Gregory Stephen President and CEO Executive Director
Transaction date
Planned sale
Price
425.00
Quantity 4,000 -3.4%
Value US$1,700,000
2.3
MATZ MARILYN Non-Executive Director
Transaction date
Planned sale
Price
425.00
Quantity 1,200 -7.4%
Value US$510,000
2.3
MATZ MARILYN Director Non-Executive Director
Transaction date
Proposed sale
Price
425.00
Quantity 1,200
Value US$510,000
2.9
Smith Gregory Stephen Officer; Director Executive Director
Transaction date
Proposed sale
Price
425.00
Quantity 4,000
Value US$1,700,000
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
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-10-02 2026-10-01 PlS Planned sale Non-Executive Director
76,612 +17.4%
219.65
US$2,988,253
76,612 +17.4% 219.65 US$2,988,253
2026-10-01 2026-10-01 PrS Proposed sale

Director

Non-Executive Director
34,984
113.70
US$4,435,631
34,984 113.70 US$4,435,631
2026-09-18 2026-09-17 PlS Planned sale Non-Executive Director
52,297 +21.0%
166.43
US$408,365
52,297 +21.0% 166.43 US$408,365
2026-09-17 2026-09-17 PrS Proposed sale

Director

Non-Executive Director
400
351.11
US$140,444
400 351.11 US$140,444
2026-09-16 2026-09-15 PlS Planned sale

President and CEO

Executive Director
4,000 -3.6%
337.83
US$1,351,320
4,000 -3.6% 337.83 US$1,351,320
2026-09-16 2026-09-15 PlS Planned sale Non-Executive Director
800 -5.3%
337.83
US$270,264
800 -5.3% 337.83 US$270,264
2026-09-15 2026-09-15 PrS Proposed sale

Director

Non-Executive Director
800
337.83
US$270,264
800 337.83 US$270,264
2026-09-15 2026-09-15 PrS Proposed sale

Officer; Director

Executive Director
4,000
337.83
US$1,351,320
4,000 337.83 US$1,351,320
2026-09-02 2026-09-01 PlS Planned sale Non-Executive Director
167 -2.6%
341.30
US$56,997
167 -2.6% 341.30 US$56,997
2026-09-01 2026-09-01 PrS Proposed sale

Director

Non-Executive Director
167
341.30
US$56,997
167 341.30 US$56,997
2026-08-18 2026-08-17 PlS Planned sale

President and CEO

Executive Director
4,000 -3.4%
425.00
US$1,700,000
4,000 -3.4% 425.00 US$1,700,000
2026-08-18 2026-08-17 PlS Planned sale Non-Executive Director
1,200 -7.4%
425.00
US$510,000
1,200 -7.4% 425.00 US$510,000
2026-08-17 2026-08-17 PrS Proposed sale

Director

Non-Executive Director
1,200
425.00
US$510,000
1,200 425.00 US$510,000
2026-08-17 2026-08-17 PrS Proposed sale

Officer; Director

Executive Director
4,000
425.00
US$1,700,000
4,000 425.00 US$1,700,000
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