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Teradyne, Inc
(TER US)
$249.55
-14.20
5.38%
Ext:
$244.20
-5.35
2.14%
(Market Closed · 01:00:00 UTC)
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TER US
Home
Stock Screener
Document Search
Charting
Watchlists
Recent Filings
Teradyne, Inc
(TER US)
$249.55
-14.20
5.38%
Ext:
$244.20
-5.35
2.14%
(Market Closed · 01:00:00 UTC)
Ask AI
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Financials
Charting
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Insider Ownership
BRADLEY MICHAEL A
(112)
Expand
Form 4
PRIMARY DOCUMENT
17 Dec 2021
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12 Nov 2021
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14 Feb 2020
JAGIELA MARK E
(87)
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31 Jan 2023
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8 Jun 2021
TUFANO PAUL J
(72)
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28 Sep
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Gray Charles Jeffrey
(62)
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31 Jan 2024
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26 Jan 2024
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7 Feb 2023
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1 Feb 2022
Beecher Gregory R
(60)
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29 Apr 2019
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1 Feb 2019
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31 Jan 2019
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2 May 2017
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8 Feb 2017
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31 Jan 2017
Smith Gregory Stephen
(57)
Expand
Form 4
Statement of changes in beneficial ownership
19 Oct
Form 4
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16 Sep
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18 Aug
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16 Jul
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16 Jun
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19 May
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6 Feb
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4 Feb
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29 Jan
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15 Dec 2025
JOHNSON MERCEDES
(50)
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VALLEE ROY
(46)
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13 Nov 2020
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11 May 2020
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29 Jul 2019
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Robbins Brad
(46)
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31 Jan 2024
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19 Dec 2023
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3 Oct 2022
Vahey Walter G.
(39)
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1 Feb 2022
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27 Jan 2022
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26 Jan 2022
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27 Jul 2020
Herweck Peter
(39)
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28 Sep
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BAGLEY JAMES W
(37)
Expand
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23 May 2013
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24 May 2012
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8 Feb 2012
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1 Jun 2011
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1 Jun 2009
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GILLIS EDWIN J
(36)
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21 Mar 2023
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23 Dec 2022
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26 Sep 2022
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11 May 2021
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12 Mar 2021
Mehta Sanjay
(33)
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5 Feb 2025
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4 Feb 2025
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31 Jan 2024
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26 Jan 2024
GUERTIN TIMOTHY E
(29)
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19 Mar 2024
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21 Dec 2023
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27 Sep 2023
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17 May 2022
HOTCHKISS JEFFREY R
(26)
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20 Mar 2012
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9 Feb 2012
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7 Feb 2012
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3 Feb 2012
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3 Feb 2011
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1 Feb 2011
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27 Jan 2011
Burns Richard John
(25)
Expand
Form 4
Statement of changes in beneficial ownership
5 Feb 2025
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PRIMARY DOCUMENT
4 Feb 2025
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30 Jan 2025
Form 4/A
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30 Jan 2025
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26 Jan 2024
MATZ MARILYN
(25)
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22 Oct
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18 Sep
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16 Sep
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19 May
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12 May
CASAL EILEEN
(19)
Expand
Form 4
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28 Jan 2009
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PRIMARY DOCUMENT
9 Jun 2009
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27 Jan 2009
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5 Jan 2009
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1 Jul 2008
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29 Jan 2008
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23 Jan 2008
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2 Jan 2008
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3 Jul 2007
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30 Jan 2007
MADDOCK ERNEST E
(17)
Expand
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28 Sep
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16 Jun
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12 May
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17 Mar
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19 Dec 2025
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1 Oct 2025
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17 Jun 2025
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13 May 2025
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18 Mar 2025
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20 Dec 2024
CARNESALE ALBERT
(15)
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23 May 2013
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24 May 2012
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3 Feb 2012
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1 Jun 2011
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26 May 2011
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28 May 2010
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1 Jun 2009
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5 Feb 2009
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5 Feb 2008
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6 Feb 2007
O REILLY VINCENT M
(13)
Expand
Form 4
PRIMARY DOCUMENT
28 May 2010
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2 Nov 2009
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1 Jun 2009
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5 Feb 2009
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5 Feb 2008
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23 Feb 2007
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6 Feb 2007
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8 Feb 2006
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9 Feb 2005
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10 Jun 2004
CHRISTMAN DANIEL W
(12)
Expand
Form 4
PRIMARY DOCUMENT
11 May 2017
Form 4
PRIMARY DOCUMENT
12 May 2016
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22 May 2015
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14 May 2015
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22 May 2014
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28 Jan 2014
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23 May 2013
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30 May 2012
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24 May 2012
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26 May 2011
WOLPERT PATRICIA S
(10)
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Form 4
PRIMARY DOCUMENT
28 May 2010
Form 4
PRIMARY DOCUMENT
13 Jan 2010
Form 4
PRIMARY DOCUMENT
1 Jun 2009
Form 4
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5 Feb 2009
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5 Feb 2008
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6 Feb 2007
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8 Feb 2006
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PRIMARY DOCUMENT
9 Feb 2005
Form 4
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3 Feb 2004
Form 4
PRIMARY DOCUMENT
3 Dec 2003
Driscoll Ryan
(10)
Expand
Form 4
Statement of changes in beneficial ownership
11 May
Form 4
Statement of changes in beneficial ownership
6 Feb
Form 4
Statement of changes in beneficial ownership
4 Feb
Form 4
Statement of changes in beneficial ownership
29 Jan
Form 4
Statement of changes in beneficial ownership
5 Feb 2025
Form 4
Statement of changes in beneficial ownership
4 Feb 2025
Form 4
Statement of changes in beneficial ownership
31 Jan 2025
Form 4
Statement of changes in beneficial ownership
30 Jan 2025
Form 4
Statement of changes in beneficial ownership
29 Jan 2025
Form 3
Initial statement of beneficial ownership
7 Feb 2024
ROGAS EDWARD JR
(9)
Expand
Form 4
PRIMARY DOCUMENT
3 Jan 2006
Form 4
PRIMARY DOCUMENT
30 Jun 2005
Form 4
PRIMARY DOCUMENT
4 Jan 2005
Form 4
PRIMARY DOCUMENT
30 Jan 2004
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2 Jan 2004
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27 Aug 2003
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26 Aug 2003
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25 Jul 2003
Form 4
PRIMARY DOCUMENT
24 Jul 2003
CHAMILLARD GEORGE W
(8)
Expand
Form 4
PRIMARY DOCUMENT
3 Jan 2007
Form 4
PRIMARY DOCUMENT
8 Feb 2006
Form 4
PRIMARY DOCUMENT
9 Feb 2005
Form 4
PRIMARY DOCUMENT
4 Jan 2005
Form 4
PRIMARY DOCUMENT
30 Jan 2004
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2 Jan 2004
Form 4
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21 Aug 2003
Form 4
PRIMARY DOCUMENT
25 Jul 2003
Tempesta Daniel David
(7)
Expand
Form 4
PRIMARY DOCUMENT
29 Jan 2008
Form 4
PRIMARY DOCUMENT
2 Jan 2008
Form 4
PRIMARY DOCUMENT
10 Dec 2007
Form 4
PRIMARY DOCUMENT
26 Apr 2007
Form 4
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30 Jan 2007
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3 Jan 2007
Form 3
PRIMARY DOCUMENT
21 Dec 2006
Wood John Francis
(7)
Expand
Form 4
PRIMARY DOCUMENT
4 Feb 2025
Form 4
PRIMARY DOCUMENT
30 Jan 2025
Form 4
PRIMARY DOCUMENT
29 Jan 2025
Form 4
PRIMARY DOCUMENT
5 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
Form 4
PRIMARY DOCUMENT
26 Jan 2024
Form 3
Initial statement of beneficial ownership
16 Nov 2023
Mills Regan
(7)
Expand
Form 4
Statement of changes in beneficial ownership
9 Apr
Form 4
Statement of changes in beneficial ownership
3 Apr
Form 4
Statement of changes in beneficial ownership
27 Feb
Form 4
Statement of changes in beneficial ownership
6 Feb
Form 4
Statement of changes in beneficial ownership
4 Feb
Form 4
Statement of changes in beneficial ownership
29 Jan
Form 3
Initial statement of beneficial ownership
13 May 2025
CASEY JOHN M
(6)
Expand
Form 4
PRIMARY DOCUMENT
3 Jan 2006
Form 4
PRIMARY DOCUMENT
30 Jun 2005
Form 4
PRIMARY DOCUMENT
4 Jan 2005
Form 4
PRIMARY DOCUMENT
30 Jan 2004
Form 4
PRIMARY DOCUMENT
21 Aug 2003
Form 4
PRIMARY DOCUMENT
23 Jul 2003
SCHNEIDER RICHARD E
(6)
Expand
Form 4
PRIMARY DOCUMENT
30 Jun 2005
Form 4
PRIMARY DOCUMENT
4 Jan 2005
Form 4
PRIMARY DOCUMENT
12 Jul 2004
Form 4
PRIMARY DOCUMENT
30 Jan 2004
Form 4
PRIMARY DOCUMENT
2 Jan 2004
Form 4
PRIMARY DOCUMENT
21 Aug 2003
McAndrews Amy R
(6)
Expand
Form 4
PRIMARY DOCUMENT
3 Jan 2007
Form 4
PRIMARY DOCUMENT
5 Jul 2006
Form 4
PRIMARY DOCUMENT
30 Jan 2006
Form 4
PRIMARY DOCUMENT
3 Jan 2006
Form 4
PRIMARY DOCUMENT
30 Jun 2005
Form 3
PRIMARY DOCUMENT
28 Mar 2005
Henry Andrew Chisholm
(6)
Expand
Form 4
PRIMARY DOCUMENT
28 Sep
Form 4
PRIMARY DOCUMENT
29 Jun
Form 4
PRIMARY DOCUMENT
12 May
Form 4
PRIMARY DOCUMENT
30 Mar
Form 3
Initial statement of beneficial ownership
3 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Jul 2025
Van Kralingen Bridget A
(5)
Expand
Form 4
PRIMARY DOCUMENT
12 May
Form 4
Statement of changes in beneficial ownership
13 May 2025
Form 4
Statement of changes in beneficial ownership
13 May 2024
Form 3
Initial statement of beneficial ownership
17 Jan 2024
Form 4
Statement of changes in beneficial ownership
17 Jan 2024
Tamer Ford
(5)
Expand
Form 4
PRIMARY DOCUMENT
16 May 2023
Form 4
PRIMARY DOCUMENT
13 May 2024
Form 4
PRIMARY DOCUMENT
17 May 2022
Form 3
PRIMARY DOCUMENT
9 Nov 2021
Form 4
PRIMARY DOCUMENT
9 Nov 2021
Kumar Ujjwal
(5)
Expand
Form 4
PRIMARY DOCUMENT
5 Aug 2025
Form 4
PRIMARY DOCUMENT
4 Feb 2025
Form 4
PRIMARY DOCUMENT
5 Aug 2024
Form 4
PRIMARY DOCUMENT
5 Feb 2024
Form 3
Initial statement of beneficial ownership
31 Aug 2023
MACDONALD G RICHARD
(4)
Expand
Form 4
PRIMARY DOCUMENT
4 Jan 2005
Form 4
PRIMARY DOCUMENT
30 Jan 2004
Form 4
PRIMARY DOCUMENT
2 Jan 2004
Form 4
PRIMARY DOCUMENT
27 Aug 2003
Lukez John
(4)
Expand
Form 4
PRIMARY DOCUMENT
4 Feb 2025
Form 4
PRIMARY DOCUMENT
30 Jan 2025
Form 4
PRIMARY DOCUMENT
29 Jan 2025
Form 3
Initial statement of beneficial ownership
3 Sep 2024
Poulin Shannon John
(4)
Expand
Form 4
Statement of changes in beneficial ownership
26 May
Form 4
Statement of changes in beneficial ownership
3 Apr
Form 4
Statement of changes in beneficial ownership
6 Feb
Form 3
Initial statement of beneficial ownership
13 May 2025
Hathout Jean Pierre
(4)
Expand
Form 4
Statement of changes in beneficial ownership
3 Jun
Form 4
Statement of changes in beneficial ownership
6 Feb
Form 4
Statement of changes in beneficial ownership
4 Feb
Form 3
Initial statement of beneficial ownership
10 Sep 2025
Sayiner Necip
(3)
Expand
Form 4
PRIMARY DOCUMENT
12 May
Form 3
Initial statement of beneficial ownership
3 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Jul 2025
Turner Michelle L.
(3)
Expand
Form 4
PRIMARY DOCUMENT
5 Nov
Form 3
Initial statement of beneficial ownership
3 Nov 2025
Form 4
PRIMARY DOCUMENT
5 Nov 2025
MULRONEY JOHN P
(2)
Expand
Form 4
PRIMARY DOCUMENT
3 Feb 2004
Form 4
PRIMARY DOCUMENT
29 Oct 2003
≥5% Ownership
FMR LLC
(30)
Expand
SC 13G/A
Teradyne, Inc
12 May 2025
SC 13G/A
Teradyne, Inc
12 Feb 2025
SC 13G/A
Teradyne, Inc
10 Jul 2024
SC 13G/A
Teradyne, Inc
9 Feb 2024
SC 13G/A
Teradyne, Inc
9 Feb 2023
SC 13G
Teradyne, Inc
9 Feb 2022
SC 13G/A
Teradyne, Inc
12 Dec 2011
SC 13G/A
Teradyne, Inc
14 Feb 2011
SC 13G/A
Teradyne, Inc
10 Sep 2010
SC 13G/A
Teradyne, Inc
16 Feb 2010
BlackRock Inc.
(19)
Expand
SC 13G/A
Teradyne, Inc
24 Jan 2024
SC 13G/A
Teradyne, Inc
7 Feb 2023
SC 13G/A
Teradyne, Inc
1 Feb 2022
SC 13G/A
Teradyne, Inc
1 Feb 2021
SC 13G/A
Teradyne, Inc
4 Feb 2020
SC 13G/A
Teradyne, Inc
10 Dec 2019
SC 13G/A
Teradyne, Inc
6 Feb 2019
SC 13G/A
Teradyne, Inc
8 Feb 2018
SC 13G/A
Teradyne, Inc
9 May 2017
SC 13G/A
Teradyne, Inc
27 Jan 2017
VANGUARD GROUP INC
(18)
Expand
SC 13G/A
Teradyne, Inc
27 Mar
SC 13G/A
Teradyne, Inc
29 Jul 2025
SC 13G/A
Teradyne, Inc
13 Feb 2024
SC 13G/A
Teradyne, Inc
9 Feb 2023
SC 13G/A
Teradyne, Inc
10 Feb 2022
SC 13G/A
Teradyne, Inc
10 Feb 2021
SC 13G/A
Teradyne, Inc
12 Feb 2020
SC 13G/A
Teradyne, Inc
8 Apr 2019
SC 13G/A
Teradyne, Inc
12 Feb 2019
SC 13G/A
Teradyne, Inc
12 Feb 2018
WELLINGTON MANAGEMENT GROUP LLP
(12)
Expand
SC 13G/A
Teradyne, Inc
27 Jan 2020
SC 13G/A
Teradyne, Inc
12 Feb 2019
SC 13G/A
Teradyne, Inc
11 Jun 2018
SC 13G
Teradyne, Inc
8 Feb 2018
SC 13G/A
Teradyne, Inc
14 Feb 2014
SC 13G
Teradyne, Inc
14 Feb 2013
SC 13G/A
Teradyne Inc
14 Feb 2006
SC 13G
Teradyne Inc
14 Feb 2005
SC 13G/A
Teradyne Inc
12 Feb 2004
SC 13G/A
Teradyne Inc
12 Feb 2003
CAPITAL GROUP INTERNATIONAL INC
(12)
Expand
SC 13G/A
Teradyne, Inc
10 May 2007
SC 13G/A
Teradyne, Inc
12 Feb 2007
SC 13G/A
Teradyne Inc
9 Feb 2006
SC 13G/A
Teradyne Inc
14 Feb 2005
SC 13G/A
Teradyne Inc
13 Feb 2004
SC 13G/A
Teradyne Inc
14 Feb 2003
SC 13G/A
Teradyne Inc
14 Feb 2002
SC 13G/A
Teradyne Inc
12 Dec 2001
SC 13G/A
Teradyne Inc
10 Dec 2001
SC 13G/A
Teradyne Inc
14 Nov 2001
AMERIPRISE FINANCIAL INC
(8)
Expand
SC 13G/A
Teradyne, Inc
14 Feb 2020
SC 13G/A
Teradyne, Inc
14 Feb 2019
SC 13G/A
Teradyne, Inc
14 Feb 2018
SC 13G/A
Teradyne, Inc
10 Feb 2017
SC 13G/A
Teradyne, Inc
12 Feb 2016
SC 13G/A
Teradyne, Inc
17 Feb 2015
SC 13G/A
Teradyne, Inc
13 Feb 2014
SC 13G
Teradyne, Inc
13 Feb 2013
TERADYNE, INC
(5)
Expand
SC 13D/A
Eagle Test Systems, Inc.
20 Nov 2008
SC 13D
Eagle Test Systems, Inc.
11 Sep 2008
SC 13D
Nextest Systems Corp
21 Dec 2007
SC 13D/A
Logicvision Inc
25 Nov 2003
SC 13D
Logicvision Inc
18 Jun 2003
PUTNAM INVESTMENTS INC
(5)
Expand
SC 13G/A
Teradyne Inc
22 Feb 2001
SC 13G/A
Teradyne Inc
18 Feb 2000
SC 13G/A
Teradyne Inc
18 Feb 2000
SC 13G/A
Teradyne Inc
8 Oct 1999
SC 13G
Teradyne Inc
9 Sep 1999
ROYCE & ASSOCIATES LLC
(5)
Expand
SC 13G/A
Teradyne, Inc
2 Feb 2015
SC 13G/A
Teradyne, Inc
16 Jan 2014
SC 13G/A
Teradyne, Inc
24 Jan 2013
SC 13G/A
Teradyne, Inc
23 Jan 2012
SC 13G
Teradyne, Inc
2 Aug 2011
PRICE T ROWE ASSOCIATES INC /MD/
(4)
Expand
SC 13G/A
Teradyne, Inc
12 Feb 2010
SC 13G/A
Teradyne, Inc
11 Feb 2009
SC 13G/A
Teradyne, Inc
12 Feb 2008
SC 13G
Teradyne, Inc
14 Feb 2007
PIONEERING MANAGEMENT CORP /ADV
(4)
Expand
SC 13G/A
Teradyne Inc
15 Oct 1998
SC 13G
Teradyne Inc
30 Jan 1998
SC 13G/A
Teradyne Inc
4 Sep 1997
SC 13G
Teradyne Inc
27 Jan 1997
BAILLIE GIFFORD & CO
(4)
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SC 13G/A
Teradyne, Inc
7 Aug 2017
SC 13G/A
Teradyne, Inc
10 Feb 2017
SC 13G/A
Teradyne, Inc
9 Feb 2016
SC 13G
Teradyne, Inc
10 Feb 2015
CAPITAL GROUP COMPANIES INC ET AL
(3)
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SC 13G
Teradyne Inc
9 Jul 1998
SC 13G
Teradyne Inc
11 Feb 1998
SC 13G
Teradyne Inc
12 Feb 1997
NEUBERGER BERMAN LLC
(3)
Expand
SC 13G/A
Teradyne Inc
10 Feb 1999
SC 13G/A
Teradyne Inc
7 Aug 1998
SC 13G
Teradyne Inc
12 Feb 1998
GLENVIEW CAPITAL MANAGEMENT, LLC
(3)
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SC 13G/A
Teradyne, Inc
16 Feb 2016
SC 13G/A
Teradyne, Inc
17 Feb 2015
SC 13G
Teradyne, Inc
17 Nov 2014
JPMORGAN CHASE & CO
(2)
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SC 13G/A
Teradyne, Inc
8 Nov 2023
SC 13G
Teradyne, Inc
13 Jan 2023
AMERICAN CENTURY INVESTMENT MANAGEMENT INC
(2)
Expand
SC 13G/A
Teradyne, Inc
13 Feb 2014
SC 13G
Teradyne, Inc
11 Feb 2013
CAPITAL GUARDIAN TRUST CO
(2)
Expand
SC 13G
Teradyne Inc
12 Feb 1999
SC 13G
Teradyne Inc
9 Jul 1998
LORD ABBETT & CO
(2)
Expand
SC 13G/A
Teradyne Inc
4 Feb 2004
SC 13G
Teradyne Inc
31 Jan 2003
METROPOLITAN LIFE INSURANCE CO/NY
(2)
Expand
SC 13G/A
Teradyne Inc
6 Feb 1998
SC 13G
Teradyne Inc
13 Feb 1997
SCUDDER KEMPER INVESTMENTS INC
(2)
Expand
SC 13G/A
Teradyne Inc
31 Mar 1998
SC 13G
Teradyne Inc
13 Mar 1998
GOLDMAN SACHS GROUP INC
(2)
Expand
SC 13G/A
Teradyne, Inc
17 Feb 2015
SC 13G
Teradyne, Inc
13 Feb 2014
A I M MANAGEMENT GROUP INC /DE/
(2)
Expand
SC 13G/A
Teradyne Inc
30 Apr 1997
SC 13G/A
Teradyne Inc
12 Feb 1997
BARCLAYS GLOBAL INVESTORS NA /CA/
(2)
Expand
SC 13G/A
Teradyne Inc
10 Mar 2000
SC 13G
Teradyne Inc
14 Feb 2000
STATE STREET RESEARCH & MANAGEMENT CO //MA/
(2)
Expand
SC 13G
Teradyne Inc
5 Feb 1998
SC 13G
Teradyne Inc
14 Feb 1997
PEA CAPITAL LLC
(2)
Expand
SC 13G/A
Teradyne Inc
14 Feb 2005
SC 13G
Teradyne Inc
13 Feb 2004
WHITEBOX ADVISORS LLC
(2)
Expand
SC 13G/A
Teradyne, Inc
14 Feb 2012
SC 13G
Teradyne, Inc
11 Feb 2011
Vulcan Value Partners, LLC
(2)
Expand
SC 13G/A
Teradyne, Inc
14 Feb 2020
SC 13G
Teradyne, Inc
15 Feb 2019
BlackRock, Inc.
(2)
Expand
SC 13G/A
Teradyne, Inc
30 Jul
SC 13G/A
Teradyne, Inc
4 Jun
CHANCELLOR CAPITAL MANAGEMENT INC
(1)
Expand
SC 13G
Teradyne Inc
12 Feb 1996
VANGUARD CAPITAL MANAGEMENT LLC
(1)
Expand
SC 13G
Teradyne, Inc
29 Apr
VANGUARD PORTFOLIO MANAGEMENT LLC
(1)
Expand
SC 13G
Teradyne, Inc
29 Apr
Select Filings
Insider Ownership
BRADLEY MICHAEL A
(112)
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17 Dec 2021
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12 Nov 2021
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3 Nov 2021
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11 May 2021
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12 Jan 2021
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23 Nov 2020
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26 Aug 2020
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31 Jul 2020
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11 May 2020
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14 Feb 2020
JAGIELA MARK E
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31 Jan 2023
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26 Jan 2023
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25 Jan 2023
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21 Dec 2022
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2 Aug 2022
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27 Jan 2022
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29 Oct 2021
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TUFANO PAUL J
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28 Sep
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29 Jun
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16 Jun
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12 May
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30 Mar
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17 Mar
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19 Dec 2025
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30 Jun 2025
Gray Charles Jeffrey
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31 Jan 2024
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26 Jan 2024
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7 Feb 2023
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1 Feb 2023
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31 Jan 2023
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27 Jan 2023
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26 Jan 2023
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2 Feb 2022
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1 Feb 2022
Beecher Gregory R
(60)
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29 Apr 2019
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1 Feb 2019
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31 Jan 2019
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29 Jan 2019
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1 Feb 2018
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30 Jan 2018
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25 Jan 2018
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2 May 2017
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8 Feb 2017
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31 Jan 2017
Smith Gregory Stephen
(57)
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19 Oct
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16 Sep
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18 Aug
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16 Jul
Form 4
Statement of changes in beneficial ownership
16 Jun
Form 4
Statement of changes in beneficial ownership
19 May
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6 Feb
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Statement of changes in beneficial ownership
4 Feb
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29 Jan
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15 Dec 2025
JOHNSON MERCEDES
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6 Feb
VALLEE ROY
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13 Nov 2020
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11 May 2020
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29 Jul 2019
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9 May 2019
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10 May 2018
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11 May 2017
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12 May 2016
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22 May 2015
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14 May 2015
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22 May 2014
Robbins Brad
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31 Jan 2024
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26 Jan 2024
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19 Dec 2023
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2 Oct 2023
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20 Jun 2023
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17 Mar 2023
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31 Jan 2023
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25 Jan 2023
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3 Oct 2022
Vahey Walter G.
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1 Feb 2022
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27 Jan 2022
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26 Jan 2022
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2 Feb 2021
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27 Jan 2021
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28 Jan 2021
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26 Jan 2021
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29 Jul 2020
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27 Jul 2020
Herweck Peter
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28 Sep
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29 Jun
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16 Jun
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12 May
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30 Mar
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17 Mar
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19 Dec 2025
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1 Oct 2025
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30 Jun 2025
BAGLEY JAMES W
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23 May 2013
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24 May 2012
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8 Feb 2012
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1 Jun 2011
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26 May 2011
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28 May 2010
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GILLIS EDWIN J
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17 May 2022
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Mehta Sanjay
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31 Jan 2025
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30 Jan 2025
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29 Jan 2025
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22 Aug 2024
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7 May 2024
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31 Jan 2024
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26 Jan 2024
GUERTIN TIMOTHY E
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19 Mar 2024
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27 Sep 2023
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23 Dec 2022
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22 Jun 2022
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17 May 2022
HOTCHKISS JEFFREY R
(26)
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20 Mar 2012
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9 Feb 2012
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7 Feb 2012
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3 Feb 2012
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31 Jan 2012
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26 Jan 2012
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23 Feb 2011
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3 Feb 2011
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1 Feb 2011
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27 Jan 2011
Burns Richard John
(25)
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30 Jan 2025
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29 Jan 2025
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26 Jan 2024
MATZ MARILYN
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18 Sep
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18 Aug
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12 May
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28 Jan 2009
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9 Jun 2009
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27 Jan 2009
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5 Jan 2009
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1 Jul 2008
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29 Jan 2008
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23 Jan 2008
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3 Jul 2007
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30 Jan 2007
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28 Sep
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16 Jun
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17 Mar
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19 Dec 2025
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1 Oct 2025
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17 Jun 2025
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13 May 2025
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18 Mar 2025
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20 Dec 2024
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23 May 2013
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24 May 2012
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3 Feb 2012
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26 May 2011
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28 May 2010
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1 Jun 2009
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5 Feb 2009
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5 Feb 2008
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6 Feb 2007
O REILLY VINCENT M
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28 May 2010
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2 Nov 2009
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1 Jun 2009
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5 Feb 2009
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5 Feb 2008
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23 Feb 2007
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6 Feb 2007
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8 Feb 2006
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9 Feb 2005
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10 Jun 2004
CHRISTMAN DANIEL W
(12)
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11 May 2017
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12 May 2016
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22 May 2015
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14 May 2015
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22 May 2014
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28 Jan 2014
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23 May 2013
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30 May 2012
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24 May 2012
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26 May 2011
WOLPERT PATRICIA S
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28 May 2010
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13 Jan 2010
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1 Jun 2009
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5 Feb 2009
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5 Feb 2008
Form 4
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6 Feb 2007
Form 4
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8 Feb 2006
Form 4
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9 Feb 2005
Form 4
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3 Feb 2004
Form 4
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3 Dec 2003
Driscoll Ryan
(10)
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Statement of changes in beneficial ownership
11 May
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Statement of changes in beneficial ownership
6 Feb
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Statement of changes in beneficial ownership
4 Feb
Form 4
Statement of changes in beneficial ownership
29 Jan
Form 4
Statement of changes in beneficial ownership
5 Feb 2025
Form 4
Statement of changes in beneficial ownership
4 Feb 2025
Form 4
Statement of changes in beneficial ownership
31 Jan 2025
Form 4
Statement of changes in beneficial ownership
30 Jan 2025
Form 4
Statement of changes in beneficial ownership
29 Jan 2025
Form 3
Initial statement of beneficial ownership
7 Feb 2024
ROGAS EDWARD JR
(9)
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3 Jan 2006
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30 Jun 2005
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4 Jan 2005
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30 Jan 2004
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2 Jan 2004
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27 Aug 2003
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26 Aug 2003
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25 Jul 2003
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24 Jul 2003
CHAMILLARD GEORGE W
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3 Jan 2007
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8 Feb 2006
Form 4
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9 Feb 2005
Form 4
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4 Jan 2005
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30 Jan 2004
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2 Jan 2004
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21 Aug 2003
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25 Jul 2003
Tempesta Daniel David
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29 Jan 2008
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2 Jan 2008
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10 Dec 2007
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26 Apr 2007
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30 Jan 2007
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3 Jan 2007
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21 Dec 2006
Wood John Francis
(7)
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4 Feb 2025
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30 Jan 2025
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29 Jan 2025
Form 4
PRIMARY DOCUMENT
5 Feb 2024
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31 Jan 2024
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26 Jan 2024
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Initial statement of beneficial ownership
16 Nov 2023
Mills Regan
(7)
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9 Apr
Form 4
Statement of changes in beneficial ownership
3 Apr
Form 4
Statement of changes in beneficial ownership
27 Feb
Form 4
Statement of changes in beneficial ownership
6 Feb
Form 4
Statement of changes in beneficial ownership
4 Feb
Form 4
Statement of changes in beneficial ownership
29 Jan
Form 3
Initial statement of beneficial ownership
13 May 2025
CASEY JOHN M
(6)
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3 Jan 2006
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30 Jun 2005
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4 Jan 2005
Form 4
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30 Jan 2004
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21 Aug 2003
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23 Jul 2003
SCHNEIDER RICHARD E
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30 Jun 2005
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4 Jan 2005
Form 4
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12 Jul 2004
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30 Jan 2004
Form 4
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2 Jan 2004
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21 Aug 2003
McAndrews Amy R
(6)
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3 Jan 2007
Form 4
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5 Jul 2006
Form 4
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30 Jan 2006
Form 4
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3 Jan 2006
Form 4
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30 Jun 2005
Form 3
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28 Mar 2005
Henry Andrew Chisholm
(6)
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28 Sep
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29 Jun
Form 4
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12 May
Form 4
PRIMARY DOCUMENT
30 Mar
Form 3
Initial statement of beneficial ownership
3 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Jul 2025
Van Kralingen Bridget A
(5)
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PRIMARY DOCUMENT
12 May
Form 4
Statement of changes in beneficial ownership
13 May 2025
Form 4
Statement of changes in beneficial ownership
13 May 2024
Form 3
Initial statement of beneficial ownership
17 Jan 2024
Form 4
Statement of changes in beneficial ownership
17 Jan 2024
Tamer Ford
(5)
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PRIMARY DOCUMENT
16 May 2023
Form 4
PRIMARY DOCUMENT
13 May 2024
Form 4
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17 May 2022
Form 3
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9 Nov 2021
Form 4
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9 Nov 2021
Kumar Ujjwal
(5)
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5 Aug 2025
Form 4
PRIMARY DOCUMENT
4 Feb 2025
Form 4
PRIMARY DOCUMENT
5 Aug 2024
Form 4
PRIMARY DOCUMENT
5 Feb 2024
Form 3
Initial statement of beneficial ownership
31 Aug 2023
MACDONALD G RICHARD
(4)
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4 Jan 2005
Form 4
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30 Jan 2004
Form 4
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2 Jan 2004
Form 4
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27 Aug 2003
Lukez John
(4)
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4 Feb 2025
Form 4
PRIMARY DOCUMENT
30 Jan 2025
Form 4
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29 Jan 2025
Form 3
Initial statement of beneficial ownership
3 Sep 2024
Poulin Shannon John
(4)
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Statement of changes in beneficial ownership
26 May
Form 4
Statement of changes in beneficial ownership
3 Apr
Form 4
Statement of changes in beneficial ownership
6 Feb
Form 3
Initial statement of beneficial ownership
13 May 2025
Hathout Jean Pierre
(4)
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Statement of changes in beneficial ownership
3 Jun
Form 4
Statement of changes in beneficial ownership
6 Feb
Form 4
Statement of changes in beneficial ownership
4 Feb
Form 3
Initial statement of beneficial ownership
10 Sep 2025
Sayiner Necip
(3)
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PRIMARY DOCUMENT
12 May
Form 3
Initial statement of beneficial ownership
3 Jul 2025
Form 4
Statement of changes in beneficial ownership
3 Jul 2025
Turner Michelle L.
(3)
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PRIMARY DOCUMENT
5 Nov
Form 3
Initial statement of beneficial ownership
3 Nov 2025
Form 4
PRIMARY DOCUMENT
5 Nov 2025
MULRONEY JOHN P
(2)
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Form 4
PRIMARY DOCUMENT
3 Feb 2004
Form 4
PRIMARY DOCUMENT
29 Oct 2003
≥5% Ownership
FMR LLC
(30)
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SC 13G/A
Teradyne, Inc
12 May 2025
SC 13G/A
Teradyne, Inc
12 Feb 2025
SC 13G/A
Teradyne, Inc
10 Jul 2024
SC 13G/A
Teradyne, Inc
9 Feb 2024
SC 13G/A
Teradyne, Inc
9 Feb 2023
SC 13G
Teradyne, Inc
9 Feb 2022
SC 13G/A
Teradyne, Inc
12 Dec 2011
SC 13G/A
Teradyne, Inc
14 Feb 2011
SC 13G/A
Teradyne, Inc
10 Sep 2010
SC 13G/A
Teradyne, Inc
16 Feb 2010
BlackRock Inc.
(19)
Expand
SC 13G/A
Teradyne, Inc
24 Jan 2024
SC 13G/A
Teradyne, Inc
7 Feb 2023
SC 13G/A
Teradyne, Inc
1 Feb 2022
SC 13G/A
Teradyne, Inc
1 Feb 2021
SC 13G/A
Teradyne, Inc
4 Feb 2020
SC 13G/A
Teradyne, Inc
10 Dec 2019
SC 13G/A
Teradyne, Inc
6 Feb 2019
SC 13G/A
Teradyne, Inc
8 Feb 2018
SC 13G/A
Teradyne, Inc
9 May 2017
SC 13G/A
Teradyne, Inc
27 Jan 2017
VANGUARD GROUP INC
(18)
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SC 13G/A
Teradyne, Inc
27 Mar
SC 13G/A
Teradyne, Inc
29 Jul 2025
SC 13G/A
Teradyne, Inc
13 Feb 2024
SC 13G/A
Teradyne, Inc
9 Feb 2023
SC 13G/A
Teradyne, Inc
10 Feb 2022
SC 13G/A
Teradyne, Inc
10 Feb 2021
SC 13G/A
Teradyne, Inc
12 Feb 2020
SC 13G/A
Teradyne, Inc
8 Apr 2019
SC 13G/A
Teradyne, Inc
12 Feb 2019
SC 13G/A
Teradyne, Inc
12 Feb 2018
WELLINGTON MANAGEMENT GROUP LLP
(12)
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SC 13G/A
Teradyne, Inc
27 Jan 2020
SC 13G/A
Teradyne, Inc
12 Feb 2019
SC 13G/A
Teradyne, Inc
11 Jun 2018
SC 13G
Teradyne, Inc
8 Feb 2018
SC 13G/A
Teradyne, Inc
14 Feb 2014
SC 13G
Teradyne, Inc
14 Feb 2013
SC 13G/A
Teradyne Inc
14 Feb 2006
SC 13G
Teradyne Inc
14 Feb 2005
SC 13G/A
Teradyne Inc
12 Feb 2004
SC 13G/A
Teradyne Inc
12 Feb 2003
CAPITAL GROUP INTERNATIONAL INC
(12)
Expand
SC 13G/A
Teradyne, Inc
10 May 2007
SC 13G/A
Teradyne, Inc
12 Feb 2007
SC 13G/A
Teradyne Inc
9 Feb 2006
SC 13G/A
Teradyne Inc
14 Feb 2005
SC 13G/A
Teradyne Inc
13 Feb 2004
SC 13G/A
Teradyne Inc
14 Feb 2003
SC 13G/A
Teradyne Inc
14 Feb 2002
SC 13G/A
Teradyne Inc
12 Dec 2001
SC 13G/A
Teradyne Inc
10 Dec 2001
SC 13G/A
Teradyne Inc
14 Nov 2001
AMERIPRISE FINANCIAL INC
(8)
Expand
SC 13G/A
Teradyne, Inc
14 Feb 2020
SC 13G/A
Teradyne, Inc
14 Feb 2019
SC 13G/A
Teradyne, Inc
14 Feb 2018
SC 13G/A
Teradyne, Inc
10 Feb 2017
SC 13G/A
Teradyne, Inc
12 Feb 2016
SC 13G/A
Teradyne, Inc
17 Feb 2015
SC 13G/A
Teradyne, Inc
13 Feb 2014
SC 13G
Teradyne, Inc
13 Feb 2013
TERADYNE, INC
(5)
Expand
SC 13D/A
Eagle Test Systems, Inc.
20 Nov 2008
SC 13D
Eagle Test Systems, Inc.
11 Sep 2008
SC 13D
Nextest Systems Corp
21 Dec 2007
SC 13D/A
Logicvision Inc
25 Nov 2003
SC 13D
Logicvision Inc
18 Jun 2003
PUTNAM INVESTMENTS INC
(5)
Expand
SC 13G/A
Teradyne Inc
22 Feb 2001
SC 13G/A
Teradyne Inc
18 Feb 2000
SC 13G/A
Teradyne Inc
18 Feb 2000
SC 13G/A
Teradyne Inc
8 Oct 1999
SC 13G
Teradyne Inc
9 Sep 1999
ROYCE & ASSOCIATES LLC
(5)
Expand
SC 13G/A
Teradyne, Inc
2 Feb 2015
SC 13G/A
Teradyne, Inc
16 Jan 2014
SC 13G/A
Teradyne, Inc
24 Jan 2013
SC 13G/A
Teradyne, Inc
23 Jan 2012
SC 13G
Teradyne, Inc
2 Aug 2011
PRICE T ROWE ASSOCIATES INC /MD/
(4)
Expand
SC 13G/A
Teradyne, Inc
12 Feb 2010
SC 13G/A
Teradyne, Inc
11 Feb 2009
SC 13G/A
Teradyne, Inc
12 Feb 2008
SC 13G
Teradyne, Inc
14 Feb 2007
PIONEERING MANAGEMENT CORP /ADV
(4)
Expand
SC 13G/A
Teradyne Inc
15 Oct 1998
SC 13G
Teradyne Inc
30 Jan 1998
SC 13G/A
Teradyne Inc
4 Sep 1997
SC 13G
Teradyne Inc
27 Jan 1997
BAILLIE GIFFORD & CO
(4)
Expand
SC 13G/A
Teradyne, Inc
7 Aug 2017
SC 13G/A
Teradyne, Inc
10 Feb 2017
SC 13G/A
Teradyne, Inc
9 Feb 2016
SC 13G
Teradyne, Inc
10 Feb 2015
CAPITAL GROUP COMPANIES INC ET AL
(3)
Expand
SC 13G
Teradyne Inc
9 Jul 1998
SC 13G
Teradyne Inc
11 Feb 1998
SC 13G
Teradyne Inc
12 Feb 1997
NEUBERGER BERMAN LLC
(3)
Expand
SC 13G/A
Teradyne Inc
10 Feb 1999
SC 13G/A
Teradyne Inc
7 Aug 1998
SC 13G
Teradyne Inc
12 Feb 1998
GLENVIEW CAPITAL MANAGEMENT, LLC
(3)
Expand
SC 13G/A
Teradyne, Inc
16 Feb 2016
SC 13G/A
Teradyne, Inc
17 Feb 2015
SC 13G
Teradyne, Inc
17 Nov 2014
JPMORGAN CHASE & CO
(2)
Expand
SC 13G/A
Teradyne, Inc
8 Nov 2023
SC 13G
Teradyne, Inc
13 Jan 2023
AMERICAN CENTURY INVESTMENT MANAGEMENT INC
(2)
Expand
SC 13G/A
Teradyne, Inc
13 Feb 2014
SC 13G
Teradyne, Inc
11 Feb 2013
CAPITAL GUARDIAN TRUST CO
(2)
Expand
SC 13G
Teradyne Inc
12 Feb 1999
SC 13G
Teradyne Inc
9 Jul 1998
LORD ABBETT & CO
(2)
Expand
SC 13G/A
Teradyne Inc
4 Feb 2004
SC 13G
Teradyne Inc
31 Jan 2003
METROPOLITAN LIFE INSURANCE CO/NY
(2)
Expand
SC 13G/A
Teradyne Inc
6 Feb 1998
SC 13G
Teradyne Inc
13 Feb 1997
SCUDDER KEMPER INVESTMENTS INC
(2)
Expand
SC 13G/A
Teradyne Inc
31 Mar 1998
SC 13G
Teradyne Inc
13 Mar 1998
GOLDMAN SACHS GROUP INC
(2)
Expand
SC 13G/A
Teradyne, Inc
17 Feb 2015
SC 13G
Teradyne, Inc
13 Feb 2014
A I M MANAGEMENT GROUP INC /DE/
(2)
Expand
SC 13G/A
Teradyne Inc
30 Apr 1997
SC 13G/A
Teradyne Inc
12 Feb 1997
BARCLAYS GLOBAL INVESTORS NA /CA/
(2)
Expand
SC 13G/A
Teradyne Inc
10 Mar 2000
SC 13G
Teradyne Inc
14 Feb 2000
STATE STREET RESEARCH & MANAGEMENT CO //MA/
(2)
Expand
SC 13G
Teradyne Inc
5 Feb 1998
SC 13G
Teradyne Inc
14 Feb 1997
PEA CAPITAL LLC
(2)
Expand
SC 13G/A
Teradyne Inc
14 Feb 2005
SC 13G
Teradyne Inc
13 Feb 2004
WHITEBOX ADVISORS LLC
(2)
Expand
SC 13G/A
Teradyne, Inc
14 Feb 2012
SC 13G
Teradyne, Inc
11 Feb 2011
Vulcan Value Partners, LLC
(2)
Expand
SC 13G/A
Teradyne, Inc
14 Feb 2020
SC 13G
Teradyne, Inc
15 Feb 2019
BlackRock, Inc.
(2)
Expand
SC 13G/A
Teradyne, Inc
30 Jul
SC 13G/A
Teradyne, Inc
4 Jun
CHANCELLOR CAPITAL MANAGEMENT INC
(1)
Expand
SC 13G
Teradyne Inc
12 Feb 1996
VANGUARD CAPITAL MANAGEMENT LLC
(1)
Expand
SC 13G
Teradyne, Inc
29 Apr
VANGUARD PORTFOLIO MANAGEMENT LLC
(1)
Expand
SC 13G
Teradyne, Inc
29 Apr
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