Teradyne Inc (TER)

Over the last 90 days, Teradyne Inc. has seen 25 insider transactions, all of which were sales totaling over $13.4 million. Notably, directors and officers like Gregory Stephen Smith and Marilyn Matz have engaged in significant proposed and planned sales, occurring around the company's last earnings report which beat expectations.
Ticker: TER Exchange: NSM


Loading...
Purchase Sale Planned purchase Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

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

Top insiders
Trades
JOHNSON MERCEDES
2 sales — total 200,000 USD
Planned sale 1 Jul 2026
Value US$3,075,460.72 | Price 236.80 | Shares 39,982
Proposed sale 1 Jul 2026
Value US$474,111.27 | Price 362.50 | Shares 26,673
Planned sale 15 Jun 2026
Value US$2,923,407.02 | Price 349.78 | Shares 94,730
Proposed sale 15 Jun 2026
Value US$2,785,973.54 | Price 253.45 | Shares 29,939
Planned sale 15 Jun 2026
Value US$1,692,120.00 | Price 423.03 | Shares 4,000
Proposed sale 15 Jun 2026
Value US$1,692,120.00 | Price 423.03 | Shares 4,000
Planned sale 2 Jun 2026
Value US$61,746.58 | Price 369.74 | Shares 167
Proposed sale 2 Jun 2026
Value US$61,746.58 | Price 369.74 | Shares 167
Planned sale 22 May 2026
Value US$232,880.00 | Price 355.00 | Shares 656
Proposed sale 22 May 2026
Value US$232,880.00 | Price 355.00 | Shares 656
Planned sale 21 May 2026
Value US$348,132.96 | Price 345.37 | Shares 1,008
Proposed sale 21 May 2026
Value US$348,132.96 | Price 345.37 | Shares 1,008
Planned sale 21 May 2026
Value US$140,000.00 | Price 350.00 | Shares 400
Proposed sale 21 May 2026
Value US$140,000.00 | Price 350.00 | Shares 400
Planned sale 15 May 2026
Value US$2,914,211.06 | Price 338.98 | Shares 8,597
Proposed sale 15 May 2026
Value US$2,914,211.06 | Price 338.98 | Shares 8,597
Planned sale 15 May 2026
Value US$271,184.00 | Price 338.98 | Shares 800
Proposed sale 15 May 2026
Value US$271,184.00 | Price 338.98 | Shares 800
Planned sale 7 May 2026
Value US$256,768.00 | Price 377.60 | Shares 680
Proposed sale 7 May 2026
Value US$256,768.00 | Price 377.60 | Shares 680
Planned sale 8 Apr 2026
Value US$5,474.72 | Price 342.17 | Shares 16
Proposed sale 8 Apr 2026
Value US$5,474.72 | Price 342.17 | Shares 16
Planned sale 6 Apr 2026
Value US$195,125.00 | Price 312.20 | Shares 625
Proposed sale 6 Apr 2026
Value US$195,120.98 | Price 312.19 | Shares 625
Planned sale 2 Apr 2026
Value US$73,301.76 | Price 290.88 | Shares 252
Proposed sale 2 Apr 2026
Value US$73,301.76 | Price 290.88 | Shares 252
Planned sale 5 Mar 2026
Value US$187,000.00 | Price 299.20 | Shares 625
Proposed sale 5 Mar 2026
Value US$187,012.50 | Price 299.22 | Shares 625
Planned sale 25 Feb 2026
Value US$262,301.56 | Price 332.87 | Shares 788
Proposed sale 25 Feb 2026
Value US$262,301.56 | Price 332.87 | Shares 788
Planned sale 5 Feb 2026
Value US$166,862.50 | Price 266.98 | Shares 625
Proposed sale 5 Feb 2026
Value US$166,862.50 | Price 266.98 | Shares 625
Planned sale 5 Jan 2026
Value US$132,406.25 | Price 211.85 | Shares 625
Proposed sale 5 Jan 2026
Value US$132,406.25 | Price 211.85 | Shares 625
Planned sale 12 Dec 2025
Value US$223,051.48 | Price 201.31 | Shares 1,108
Proposed sale 12 Dec 2025
Value US$223,051.48 | Price 201.31 | Shares 1,108
Planned sale 5 Dec 2025
Value US$125,000.00 | Price 200.00 | Shares 625
Proposed sale 5 Dec 2025
Value US$125,000.00 | Price 200.00 | Shares 625
Proposed sale 5 Dec 2025
Value US$164,465.25 | Price 77.25 | Shares 2,129
Planned sale 12 Nov 2025
Value US$199,661.60 | Price 180.20 | Shares 1,108
Proposed sale 12 Nov 2025
Value US$199,661.60 | Price 180.20 | Shares 1,108
Planned sale 5 Nov 2025
Value US$110,656.25 | Price 177.05 | Shares 625
Proposed sale 5 Nov 2025
Value US$110,656.25 | Price 177.05 | Shares 625
Proposed sale 5 Nov 2025
Value US$729,270.00 | Price 185.00 | Shares 3,942
Proposed sale 5 Nov 2025
Value US$1,139,580.00 | Price 180.00 | Shares 6,331
Proposed sale 4 Nov 2025
Value US$1,124,571.05 | Price 177.66 | Shares 6,330
Proposed sale 3 Nov 2025
Value US$57.29 | Price 28.65 | Shares 2
Proposed sale 27 Oct 2025
Value US$429,150.00 | Price 150.00 | Shares 2,861
Planned sale 10 Oct 2025
Value US$160,925.92 | Price 145.24 | Shares 1,108
Proposed sale 10 Oct 2025
Value US$160,925.92 | Price 145.24 | Shares 1,108
Planned sale 6 Oct 2025
Value US$92,437.50 | Price 147.90 | Shares 625
Proposed sale 6 Oct 2025
Value US$92,437.50 | Price 147.90 | Shares 625
Planned sale 22 Sep 2025
Value US$70,020.06 | Price 126.39 | Shares 554
Proposed sale 22 Sep 2025
Value US$70,020.06 | Price 126.39 | Shares 554
Planned sale 12 Sep 2025
Value US$63,710.00 | Price 115.00 | Shares 554
Proposed sale 12 Sep 2025
Value US$63,710.00 | Price 115.00 | Shares 554
Planned sale 5 Sep 2025
Value US$75,037.50 | Price 120.06 | Shares 625
Proposed sale 5 Sep 2025
Value US$75,037.50 | Price 120.06 | Shares 625
Planned sale 12 Aug 2025
Value US$58,724.00 | Price 106.00 | Shares 554
Proposed sale 12 Aug 2025
Value US$58,724.00 | Price 106.00 | Shares 554
Planned sale 5 Aug 2025
Value US$66,250.00 | Price 106.00 | Shares 625
Proposed sale 5 Aug 2025
Value US$66,250.00 | Price 106.00 | Shares 625
Proposed sale 31 Jul 2025
Value US$114,895.29 | Price 107.78 | Shares 1,066
Planned sale 30 Jul 2025
Value US$198,243.75 | Price 105.73 | Shares 1,875
Proposed sale 30 Jul 2025
Value US$198,243.75 | Price 105.73 | Shares 1,875
Planned sale 30 Jul 2025
Value US$58,574.42 | Price 105.73 | Shares 554
Proposed sale 30 Jul 2025
Value US$58,574.42 | Price 105.73 | Shares 554
Planned sale 3 Mar 2025
Value US$69,350.00 | Price 110.96 | Shares 625
Proposed sale 3 Mar 2025
Value US$69,350.00 | Price 110.96 | Shares 625
Planned sale 4 Feb 2025
Value US$49,613.05 | Price 111.49 | Shares 445
Proposed sale 4 Feb 2025
Value US$49,613.05 | Price 111.49 | Shares 445
Planned sale 4 Feb 2025
Value US$154,302.16 | Price 111.49 | Shares 1,384
Proposed sale 4 Feb 2025
Value US$154,302.16 | Price 111.49 | Shares 1,384
Planned sale 4 Feb 2025
Value US$24,081.84 | Price 111.49 | Shares 216
Proposed sale 4 Feb 2025
Value US$24,081.84 | Price 111.49 | Shares 216
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-07-02 2026-07-01 PlS Planned sale Non-Executive Director
39,982 +32.2%
236.80
US$3,075,461
39,982 +32.2% 236.80 US$3,075,461
2026-07-01 2026-07-01 PrS Proposed sale

Director

Non-Executive Director
26,673
362.50
US$474,111
26,673 362.50 US$474,111
2026-06-16 2026-06-15 PlS Planned sale Non-Executive Director
94,730 -6.8%
349.78
US$2,923,407
94,730 -6.8% 349.78 US$2,923,407
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
2025-07-30 2025-07-30 PrS Proposed sale

Director

Non-Executive Director
1,875
105.73
US$198,244
1,875 105.73 US$198,244
2025-07-30 2025-07-30 PrS Proposed sale

Officer; Director

Executive Director
554
105.73
US$58,574
554 105.73 US$58,574
2025-03-05 2025-03-03 PlS Planned sale Non-Executive Director
625 -4.7%
110.96
US$69,350
625 -4.7% 110.96 US$69,350
2025-03-03 2025-03-03 PrS Proposed sale

Director

Non-Executive Director
625
110.96
US$69,350
625 110.96 US$69,350
2025-02-05 2025-02-04 PlS Planned sale

President, Semiconductor Test

Officer
445 -1.7%
111.49
US$49,613
445 -1.7% 111.49 US$49,613
2025-02-05 2025-02-04 PlS Planned sale

VP and Chief Financial Officer

Officer
1,384 -3.6%
111.49
US$154,302
1,384 -3.6% 111.49 US$154,302
2025-02-05 2025-02-04 PlS Planned sale

VP, General Counsel, Secretary

Officer
216 -3.0%
111.49
US$24,082
216 -3.0% 111.49 US$24,082
2025-02-04 2025-02-04 PrS Proposed sale

Officer

Officer
1,384
111.49
US$154,302
1,384 111.49 US$154,302
2025-02-04 2025-02-04 PrS Proposed sale

Officer

Officer
216
111.49
US$24,082
216 111.49 US$24,082
2025-02-04 2025-02-04 PrS Proposed sale

Officer

Officer
445
111.49
US$49,613
445 111.49 US$49,613