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 JS
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Detailed Insider History for:
TERADYNE INC: TER
Price: 5/29/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$374.31 $422.11 $77.78 $58,595 157 3,552 0.1% 4.5% 96.40% 0.27%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks Instruments For Meas & Testingof Electricity & Elec Signals
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
HATHOUT JEAN PIERRE
PR
JS
$166,964
441
6/1/26
6/2/26
$369.47
$392.62
9,733
-4.3
D
R
6/3/26 - 5:07:12 pm
2
1y
20
35%
27%
7
JOHNSON MERCEDES
DIR
AS
$61,747
167
---
6/2/26
---
$369.74
6,864
-2.4
D
10b
6/3/26 - 4:54:37 pm
3
    
 
POULIN SHANNON JOHN
PR
OS
$581,013
1,664
5/21/26
5/22/26
$345.37
$355.00
15,066
-9.9
D
10b
5/26/26 - 5:23:39 pm
4
    
 
POULIN SHANNON JOHN
PR
OS
$529,695
1,531
---
5/21/26
---
$345.98
16,378
-8.5
D
10b
5/26/26 - 5:23:39 pm
5
    
 
POULIN SHANNON JOHN
PR
OE
$234,860
2,843
---
5/21/26
---
$82.61
17,909
18.9
D
10b
5/26/26 - 5:23:39 pm
6
1y
3
67%
-8%
2
MATZ MARILYN
DIR
AS
$140,000
400
---
5/21/26
---
$350.00
18,641
-2.1
D
10b
5/26/26 - 4:37:24 pm
7
1y
17
47%
25%
1
SMITH GREGORY STEPHEN
PR,CEO,DIR
OS
$2,914,211
8,597
---
5/15/26
---
$338.98
124,470
-6.5
D
10b
5/19/26 - 2:27:41 pm
8
    
 
SMITH GREGORY STEPHEN
PR,CEO,DIR
OE
$331,444
4,597
---
5/15/26
---
$72.10
133,067
3.6
D
10b
5/19/26 - 2:27:41 pm
9
1y
3
67%
-8%
2
MATZ MARILYN
DIR
AS
$271,184
800
---
5/15/26
---
$338.98
19,041
-4.0
D
10b
5/19/26 - 2:27:30 pm
10
    
 
HERWECK PETER
DIR
JB
---
668
---
5/8/26
---
---
16,134
4.3
D
R
5/12/26 - 5:39:35 pm
11
    
 
JOHNSON MERCEDES
DIR
JB
---
668
---
5/8/26
---
---
7,031
10.5
D
R
5/12/26 - 5:34:44 pm
12
    
 
MATZ MARILYN
DIR
JB
---
668
---
5/8/26
---
---
19,841
3.5
D
R
5/12/26 - 5:23:10 pm
13
    
 
VAN KRALINGEN BRIDGET A
DIR
JB
---
668
---
5/8/26
---
---
6,224
12.0
D
R
5/12/26 - 5:18:52 pm
14
    
 
TUFANO PAUL J
DIR
JB
---
668
---
5/8/26
---
---
65,713
1.0
D
R
5/12/26 - 5:15:18 pm
15
    
 
SAYINER NECIP
DIR
JB
---
668
---
5/8/26
---
---
2,800
31.3
D
R
5/12/26 - 5:12:22 pm
16
    
 
MADDOCK ERNEST E
DIR
JB
---
668
---
5/8/26
---
---
10,265
7.0
D
R
5/12/26 - 5:09:12 pm
17
    
 
HENRY ANDREW CHISHOLM
DIR
JB
---
668
---
5/8/26
---
---
2,875
30.3
D
R
5/12/26 - 5:05:40 pm
18
    
 
DRISCOLL RYAN
VP,GC,SEC
AS
$256,768
680
---
5/7/26
---
$377.60
7,665
-8.1
D
10b
5/11/26 - 4:42:14 pm
19
    
 
MILLS REGAN
PR
AS
$5,475
16
---
4/8/26
---
$342.17
11,399
-0.1
D
10b
4/9/26 - 12:08:13 pm
20
1y
20
35%
27%
7
JOHNSON MERCEDES
DIR
AS
$195,125
625
---
4/6/26
---
$312.20
6,363
-8.9
D
10b
4/7/26 - 9:59:33 am
21
    
 
MILLS REGAN
PR
AS
$73,302
252
---
4/2/26
---
$290.88
11,415
-2.2
D
R,10b
4/3/26 - 2:52:40 pm
22
    
 
POULIN SHANNON JOHN
PR
JS
$362,776
1,162
---
4/1/26
---
$312.20
16,074
-6.7
D
R
4/3/26 - 3:06:56 pm
23
    
 
MILLS REGAN
PR
JS
$69,308
222
---
4/1/26
---
$312.20
11,667
-1.9
D
R,10b
4/3/26 - 2:52:40 pm
24
    
 
HERWECK PETER
DIR
JB
---
92
---
3/26/26
---
---
15,466
0.6
D
---
3/30/26 - 6:23:55 pm
25
    
 
TUFANO PAUL J
DIR
JB
---
159
---
3/26/26
---
---
65,045
0.2
D
---
3/30/26 - 6:05:32 pm
26
    
 
HENRY ANDREW CHISHOLM
DIR
JB
---
75
---
3/26/26
---
---
2,207
3.5
D
---
3/30/26 - 5:59:44 pm
27
    
 
MADDOCK ERNEST E
DIR
JB
---
2
---
3/13/26
---
---
9,597
0.0
D
---
3/17/26 - 5:29:11 pm
28
    
 
TUFANO PAUL J
DIR
JB
---
25
---
3/13/26
---
---
64,886
0.0
D
---
3/17/26 - 5:08:10 pm
29
    
 
HERWECK PETER
DIR
JB
---
5
---
3/13/26
---
---
15,374
0.0
D
---
3/17/26 - 5:04:18 pm
30
1y
20
35%
27%
7
JOHNSON MERCEDES
DIR
AS
$187,000
625
---
3/5/26
---
$299.20
6,988
-8.2
D
10b
3/6/26 - 5:50:33 pm
31
    
 
MILLS REGAN
PR
AS
$262,302
788
---
2/25/26
---
$332.87
11,889
-6.2
D
10b
2/27/26 - 11:12:05 am
32
1y
20
35%
27%
7
JOHNSON MERCEDES
DIR
AS
$166,863
625
---
2/5/26
---
$266.98
7,613
-7.6
D
10b
2/6/26 - 11:56:27 am
33
    
 
SMITH GREGORY STEPHEN
PR,CEO,DIR
JB
---
13,380
---
2/4/26
---
---
128,470
11.6
D
R
2/6/26 - 5:15:43 pm
34
    
 
POULIN SHANNON JOHN
PR
JB
---
4,460
---
2/4/26
---
---
17,236
34.9
D
R
2/6/26 - 5:08:50 pm
35
    
 
DRISCOLL RYAN
VP,GC,SEC
JB
---
1,784
---
2/4/26
---
---
8,345
27.2
D
R
2/6/26 - 5:03:27 pm
36
    
 
MILLS REGAN
PR
JB
---
1,004
---
2/4/26
---
---
12,677
8.6
D
R
2/6/26 - 4:58:37 pm
37
    
 
HATHOUT JEAN PIERRE
PR
JB
---
1,004
---
2/4/26
---
---
10,174
10.9
D
R
2/6/26 - 4:53:59 pm
38
    
 
HATHOUT JEAN PIERRE
PR
JS
$95,071
381
---
2/2/26
---
$249.53
9,170
-4.0
D
R
2/4/26 - 4:52:22 pm
39
    
 
MILLS REGAN
PR
JS
$86,088
345
---
2/2/26
---
$249.53
11,673
-2.9
D
R
2/4/26 - 4:47:42 pm
40
    
 
SMITH GREGORY STEPHEN
PR,CEO,DIR
JS
$1,687,571
6,763
---
2/2/26
---
$249.53
115,090
-5.6
D
R
2/4/26 - 4:42:18 pm
41
    
 
DRISCOLL RYAN
VP,GC,SEC
JS
$103,305
414
---
2/2/26
---
$249.53
6,561
-5.9
D
R
2/4/26 - 4:34:28 pm
42
    
 
SMITH GREGORY STEPHEN
PR,CEO,DIR
JS
$7,435,687
31,096
1/27/26
1/28/26
$238.94
$250.48
121,853
-20.3
D
R
1/29/26 - 4:36:24 pm
43
    
 
MILLS REGAN
PR
JS
$87,946
360
1/27/26
1/28/26
$238.94
$250.48
12,018
-2.9
D
R
1/29/26 - 4:29:42 pm
44
    
 
DRISCOLL RYAN
VP,GC,SEC
JS
$47,540
195
1/27/26
1/28/26
$238.94
$250.48
6,975
-2.7
D
R
1/29/26 - 4:25:13 pm
45
    
 
SMITH GREGORY STEPHEN
PR,CEO,DIR
JB
---
59,475
---
1/27/26
---
---
152,949
63.6
D
R
1/29/26 - 4:36:24 pm
46
1y
20
35%
27%
7
JOHNSON MERCEDES
DIR
AS
$132,406
625
---
1/5/26
---
$211.85
8,238
-7.1
D
10b
1/6/26 - 12:20:55 pm
47
    
 
TUFANO PAUL J
DIR
JB
---
292
---
12/17/25
---
---
64,861
0.5
D
---
12/19/25 - 4:42:47 pm
48
    
 
HERWECK PETER
DIR
JB
---
155
---
12/17/25
---
---
15,369
1.0
D
---
12/19/25 - 4:38:46 pm
49
    
 
MADDOCK ERNEST E
DIR
JB
---
2
---
12/17/25
---
---
9,595
0.0
D
---
12/19/25 - 4:33:03 pm
50
1y
17
47%
25%
1
SMITH GREGORY STEPHEN
PR,CEO,DIR
AS
$223,051
1,108
---
12/12/25
---
$201.31
93,409
-1.2
D
10b
12/15/25 - 12:03:55 pm
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