TERTeradyne, Inc.

Technology · Semiconductor Equipment & MaterialsNasdaqStockMkt cap $58.3B

Disclosed trades

0 in 30d · 0 in 90d

Politicians

Last trade May 1, 2026

Buys

$184.5K at range midpoints

Sells

$96K at range midpoints

Closing price · 365 days

Nov 7, 2025 – Nov 6, 2026

Monthly buys vs sells · 24 months

Counts of disclosed transactions

Buys
Sells (incl. partial)

Politicians who traded it

6 hold it now Estimated

Politicians who traded TER
Politician	Seat	Trades	Buys	Sells	Bought (mid)	Sold (mid)	Last trade	Est. position Estimated
DRo Khanna	House · CA-17	16	11	5	$80K	$40K	May 1, 2026	$59.7K
RLisa C. McClain	House · MI-09	4	2	2	$16K	$16K	Oct 31, 2025	$10.6K
DJulie Johnson	House · TX-32	3	1	2	$8K	$16K	Apr 1, 2025	—
DSusie Lee	House · NV-03	3	2	1	$16K	$8K	Jun 9, 2021	$13K
RTommy Tuberville	Senate · AL	3	1	2	$8K	$16K	May 3, 2024	$834
DDonna E. Shalala	House · FL-27	2	1	1	$8K	$8K	Jun 24, 2019	—
RMichael T. McCaul	House · TX-10	2	2	0	$40.5K	$0	Apr 29, 2026	$29.6K
RAlan Armstrong	Senate · OK	1	1	0	$8K	$0	Mar 27, 2026	$5.9K

Recent trades

All TER trades

Disclosed trades
Politician	Ticker	Asset	Type	Owner	Amount	vs S&P Estimated	Traded	Filed	Source
RTommy Tuberville	TER	Teradyne, Inc. - Common Stock	SellRestated	Joint	$1,001 - $15,000	+39.5%	May 3, 2024	Aug 5, 2026824d	Filing
RAlan Armstrong	TER	Teradyne, Inc. - Common Stock	Buy	Self	$1,001 - $15,000	-39.9%	Mar 27, 2026	Jul 21, 2026116d	Filing
DRo Khanna	TER	TERADYNE INC CMN	Buy	Dependent	$1,001 - $15,000	-40.7%	May 1, 2026	Jun 9, 202639d	FilingOCR
RMichael T. McCaul	TER	TERADYNE INC	Buy	Spouse	$15,001 - $50,000	-37.7%	Apr 29, 2026	May 4, 20265d	FilingOCR
RMichael T. McCaul	TER	TERADYNE INC COM	Buy	Spouse	$1,001 - $15,000	-36.0%	Feb 4, 2026	Mar 10, 202634d	FilingOCR
DRo Khanna	TER	TERADYNE INC CMN	Buy	Spouse	$1,001 - $15,000	-34.8%	Feb 5, 2026	Mar 9, 202632d	FilingOCR
RLisa C. McClain	TER	Teradyne, Inc. (TER)	Sell	Spouse	$1,001 - $15,000	-25.8%	Oct 31, 2025	Nov 21, 202521d	Filing
RLisa C. McClain	TER	Teradyne, Inc. (TER)	Buy	Spouse	$1,001 - $15,000	+25.8%	Oct 30, 2025	Nov 21, 202522d	Filing
RLisa C. McClain	TER	Teradyne, Inc. (TER)	Sell	Spouse	$1,001 - $15,000	-25.8%	Oct 30, 2025	Nov 21, 202522d	Filing
RLisa C. McClain	TER	Teradyne, Inc. (TER)	Buy	Spouse	$1,001 - $15,000	+77.4%	Jun 17, 2025	Aug 13, 202557d	Filing
DRo Khanna	TER	TERADYNE INC CMN	Sell	Dependent	$1,001 - $15,000	-124.1%	May 19, 2025	Jun 10, 202522d	FilingOCR
DJulie Johnson	TER	Teradyne, Inc. (TER)	Sell	Joint	$1,001 - $15,000	-133.8%	Apr 1, 2025	May 14, 202543d	Filing
DRo Khanna	TER	TERADYNE INC CMN	Buy	Spouse	$1,001 - $15,000	+136.6%	Apr 23, 2025	May 12, 202519d	FilingOCR
DJulie Johnson	TER	Teradyne, Inc. (TER)	Sell	Joint	$1,001 - $15,000	-159.1%	Mar 3, 2025	Apr 14, 202542d	Filing
DJulie Johnson	TER	Teradyne, Inc. (TER)	Buy	Joint	$1,001 - $15,000	+120.0%	Feb 12, 2025	Mar 12, 202528d	Filing
DRo Khanna	TER	TERADYNE INC CMN	Buy	Spouse	$1,001 - $15,000	+34.4%	Dec 16, 2024	Jan 8, 202523d	FilingOCR
DRo Khanna	TER	TERADYNE INC CMN	Buy	Dependent	$1,001 - $15,000	+70.7%	Nov 15, 2024	Dec 5, 202420d	FilingOCR
DRo Khanna	TER	TERADYNE INC CMN	Sell	Dependent	$1,001 - $15,000	-43.6%	Aug 5, 2024	Sep 6, 202432d	FilingOCR
RTommy Tuberville	TER	Teradyne, Inc. - Common Stock	Sell	Joint	$1,001 - $15,000	-15.0%	May 3, 2024	Jun 14, 202442d	Filing
DRo Khanna	TER	TERADYNE INC CMN	Buy	Dependent	$1,001 - $15,000	+12.6%	May 29, 2024	Jun 5, 20247d	FilingOCR
DRo Khanna	TER	TERADYNE INC CMN	Sell	Dependent	$1,001 - $15,000	-77.5%	Nov 3, 2023	Dec 6, 202333d	FilingOCR
DRo Khanna	TER	TERADYNE INC CMN	Buy	Dependent	$1,001 - $15,000	+29.9%	May 23, 2023	Jun 12, 202320d	FilingOCR
DRo Khanna	TER	TERAdYNE INc cMN	SellReview	Spouse	$1,001 - $15,000	-54.7%	Nov 3, 2022	Dec 6, 202233d	FilingOCR
DRo Khanna	TER	TeradYNe INC CMN	Sell	Spouse	$1,001 - $15,000	-69.7%	Aug 23, 2022	Sep 8, 202216d	FilingOCR
DRo Khanna	TER	'TERADYNE INC CMN	Buy	Spouse	$1,001 - $15,000	+36.4%	May 23, 2022	Jun 10, 202218d	FilingOCR
DRo Khanna	TER	TERADYNE INC CMN	Buy	Dependent	$1,001 - $15,000	+36.4%	May 10, 2022	Jun 10, 202231d	FilingOCR
DRo Khanna	TER	TERADYNE INC CMN	BuyReview	Unknown	—	—	—	Dec 7, 2021	FilingOCR
RTommy Tuberville	TER	Teradyne, Inc.	Buy	Joint	$1,001 - $15,000	+2.3%	Mar 29, 2021	Jul 23, 2021116d	Filing
DSusie Lee	TER	Teradyne, Inc. (TER)	Sell	Joint	$1,001 - $15,000	-3.3%	Jun 9, 2021	Jul 13, 202134d	Filing
DSusie Lee	TER	Teradyne, Inc. (TER)	Buy	Joint	$1,001 - $15,000	+3.2%	Apr 1, 2021	May 10, 202139d	Filing
DSusie Lee	TER	Teradyne, Inc. (TER)	Buy	Joint	$1,001 - $15,000	+4.8%	Feb 23, 2021	Mar 11, 202116d	Filing
DDonna E. Shalala	TER	Teradyne, Inc. (TER)	Sell	Self	$1,001 - $15,000	—	Jun 24, 2019	Apr 27, 2020308d	Filing
DDonna E. Shalala	TER	Teradyne, Inc. (TER)	Buy	Self	$1,001 - $15,000	—	Mar 6, 2019	Apr 27, 2020418d	Filing
DRo Khanna	TER	TERADYNE INC CMN	Buy	Spouse	$1,001 - $15,000	+89.6%	Jan 4, 2020	Feb 10, 202037d	FilingOCR

Insider activity Filed

All insider filings for TER

Insiders

Instruments For Meas & Testing of Electricity & Elec Signals

Open-market buys · 90d

$0 bought

Open-market sells · 90d

$5.9M sold

Net · 90d

-$5.9M

-$15.9M net over 12 months · last Nov 3, 2026

Insider transactions as filed on SEC Form 4
Date	Insider	Kind	Security	Shares	Price	Value	Post-holdings	D/I	10b5-1	Source
Nov 3, 2026filed Nov 5, 2026	Michelle L. TurnerChief Financial Officer	Withholding	Common Stock	−818	$269.35	$220,328	10,442	D	—	4
Nov 2, 2026filed Nov 3, 2026	Mercedes Johnson	Sale	Common Stock	−166	$275.44	$45,723	6,031	D	10b5-1	4
Oct 21, 2026filed Oct 22, 2026	Marilyn Matz	Sale	Common Stock	−400	$350.00	$140,000	12,640.67	D	10b5-1	4
Oct 15, 2026filed Oct 19, 2026	Gregory Stephen SmithPresident and CEO	Sale	Common Stock	−4,000	$341.28	$1,365,120	104,495.41	D	10b5-1	4
Oct 15, 2026filed Oct 19, 2026	Marilyn Matz	Sale	Common Stock	−800	$341.28	$273,024	13,040.67	D	10b5-1	4
Oct 1, 2026filed Oct 2, 2026	Mercedes Johnson	Sale	Common Stock	−167	$402.90	$67,284	6,197	D	10b5-1	4
Sep 25, 2026filed Sep 28, 2026	Peter Herweck	Other	Common Stock	4	$0.00	$0	16,282	D	—	4
Sep 25, 2026filed Sep 28, 2026	Paul J Tufano	Other	Common Stock	19	$0.00	$0	66,008	D	—	4
Sep 25, 2026filed Sep 28, 2026	Ernest E Maddock	Other	Common Stock	2	$0.00	$0	10,269	D	—	4
Sep 24, 2026filed Sep 28, 2026	Peter Herweck	Award	Common Stock	77	$0.00	$0	16,278	D	—	4

Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).

Unusual activity Estimated

Whale watch

65Insider overlapPublic Jul 21, 2026 · traded Mar 27, 2026
Sen. Alan Armstrong bought TER 6 days before its President sold $73K
RAlan ArmstrongRegan MillsTER Filing 4
Details
Politician
Alan Armstrong
Ticker
TER
Asset
Teradyne, Inc. - Common Stock
Tx type
buy
Traded
Mar 27, 2026
Filed
Jul 21, 2026
Amount low
$1,001
Amount high
$15,000
Range midpoint (estimate)
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
116
Owner type
self
Is whale
No
Insider trade
{"insider":{"slug":"regan-mills","name":"Regan Mills","title":"President, Product Test","short_title":"President"},"company":"TERADYNE, INC","ticker":"TER","tx_kind":"open_market_sale","tx_date":"2026-04-02","shares":252,"price":290.88,"value":73301.76,"is_10b5_1":true,"filing_date":"2026-04-03"}
Days between
-6
Opposite side
Yes
Public from
Jul 21, 2026
Method version
2026-11-03
49Hindsight movePublic Jul 21, 2026 · traded Mar 27, 2026
TER rose 24% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
RAlan ArmstrongTER Filing
Details
Politician
Alan Armstrong
Ticker
TER
Asset
Teradyne, Inc. - Common Stock
Tx type
buy
Traded
Mar 27, 2026
Filed
Jul 21, 2026
Amount low
$1,001
Amount high
$15,000
Range midpoint (estimate)
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
116
Owner type
self
Is whale
No
Entry date
Mar 27, 2026
Entry close
295.61
Exit date
May 11, 2026
Exit close
366.64
Forward return
+24.0%
Sign adjusted return
+24.0%
N trading days
30
Hindsight
Yes
Measured from
trade date
Public from
Jul 21, 2026
Method version
2026-11-03
50Hindsight movePublic Jun 15, 2026 · traded May 1, 2026
TER rose 25% in the 30 trading days after Rep. Ro Khanna's dependent child's buy (hindsight)
DRo KhannaTER FilingOCR
Details
Politician
Ro Khanna
Ticker
TER
Asset
TERADYNE INC CMN
Tx type
buy
Traded
May 1, 2026
Filed
Jun 9, 2026
Amount low
$1,001
Amount high
$15,000
Range midpoint (estimate)
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
39
Owner type
dependent
Is whale
No
Entry date
May 1, 2026
Entry close
345.42
Exit date
Jun 15, 2026
Exit close
432.41
Forward return
+25.2%
Sign adjusted return
+25.2%
N trading days
30
Hindsight
Yes
Measured from
trade date
Public from
Jun 15, 2026
Method version
2026-11-03
50Hindsight movePublic Jun 11, 2026 · traded Apr 29, 2026
TER rose 25% in the 30 trading days after Rep. Michael T. McCaul's spouse's buy (hindsight)
RMichael T. McCaulTER FilingOCR
Details
Politician
Michael T. McCaul
Ticker
TER
Asset
TERADYNE INC
Tx type
buy
Traded
Apr 29, 2026
Filed
May 4, 2026
Amount low
$15,001
Amount high
$50,000
Range midpoint (estimate)
$32,501
Disclosed range
$15,001 - $50,000
Reporting lag days
5
Owner type
spouse
Is whale
No
Entry date
Apr 29, 2026
Entry close
306.33
Exit date
Jun 11, 2026
Exit close
381.40
Forward return
+24.5%
Sign adjusted return
+24.5%
N trading days
30
Hindsight
Yes
Measured from
trade date
Public from
Jun 11, 2026
Method version
2026-11-03
65Insider overlapPublic Jun 9, 2026 · traded May 1, 2026
Rep. Ro Khanna's dependent child bought TER 14 days before its CEO sold $2.9M
DRo KhannaGregory Stephen SmithTER FilingOCR 4
Details
Politician
Ro Khanna
Ticker
TER
Asset
TERADYNE INC CMN
Tx type
buy
Traded
May 1, 2026
Filed
Jun 9, 2026
Amount low
$1,001
Amount high
$15,000
Range midpoint (estimate)
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
39
Owner type
dependent
Is whale
No
Insider trade
{"insider":{"slug":"gregory-stephen-smith","name":"Gregory Stephen Smith","title":"President and CEO","short_title":"CEO"},"company":"TERADYNE, INC","ticker":"TER","tx_kind":"open_market_sale","tx_date":"2026-05-15","shares":8597,"price":338.98,"value":2914211.06,"is_10b5_1":true,"filing_date":"2026-05-19"}
Days between
-14
Opposite side
Yes
Public from
Jun 9, 2026
Method version
2026-11-03
65Insider overlapPublic May 19, 2026 · traded Apr 29, 2026
Rep. Michael T. McCaul's spouse bought TER 16 days before its CEO sold $2.9M
RMichael T. McCaulGregory Stephen SmithTER FilingOCR 4
Details
Politician
Michael T. McCaul
Ticker
TER
Asset
TERADYNE INC
Tx type
buy
Traded
Apr 29, 2026
Filed
May 4, 2026
Amount low
$15,001
Amount high
$50,000
Range midpoint (estimate)
$32,501
Disclosed range
$15,001 - $50,000
Reporting lag days
5
Owner type
spouse
Is whale
No
Insider trade
{"insider":{"slug":"gregory-stephen-smith","name":"Gregory Stephen Smith","title":"President and CEO","short_title":"CEO"},"company":"TERADYNE, INC","ticker":"TER","tx_kind":"open_market_sale","tx_date":"2026-05-15","shares":8597,"price":338.98,"value":2914211.06,"is_10b5_1":true,"filing_date":"2026-05-19"}
Days between
-16
Opposite side
Yes
Public from
May 19, 2026
Method version
2026-11-03
58Committee overlapPublic May 4, 2026 · traded Apr 29, 2026
Homeland Security vice chair Michael T. McCaul's spouse bought $15,001–$50,000 of TER
RMichael T. McCaulHouse Committee on Homeland SecurityVice ChairTechnologyTER FilingOCR
Details
Committee
House Committee on Homeland Security
Title
Vice Chair
Leadership seat
Yes
Sector
Technology
Disclosed range
$15,001 - $50,000
Traded
Apr 29, 2026
Filed
May 4, 2026
Public from
May 4, 2026
Method version
2026-11-03
65Insider overlapPublic Mar 10, 2026 · traded Feb 4, 2026
Rep. Michael T. McCaul's spouse bought TER 21 days before its President sold $262K
RMichael T. McCaulRegan MillsTER FilingOCR 4
Details
Politician
Michael T. McCaul
Ticker
TER
Asset
TERADYNE INC COM
Tx type
buy
Traded
Feb 4, 2026
Filed
Mar 10, 2026
Amount low
$1,001
Amount high
$15,000
Range midpoint (estimate)
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
34
Owner type
spouse
Is whale
No
Insider trade
{"insider":{"slug":"regan-mills","name":"Regan Mills","title":"President, Product Test","short_title":"President"},"company":"TERADYNE, INC","ticker":"TER","tx_kind":"open_market_sale","tx_date":"2026-02-25","shares":788,"price":332.87,"value":262301.56,"is_10b5_1":true,"filing_date":"2026-02-27"}
Days between
-21
Opposite side
Yes
Public from
Mar 10, 2026
Method version
2026-11-03
65Insider overlapPublic Mar 9, 2026 · traded Feb 5, 2026
Rep. Ro Khanna's spouse bought TER 20 days before its President sold $262K
DRo KhannaRegan MillsTER FilingOCR 4
Details
Politician
Ro Khanna
Ticker
TER
Asset
TERADYNE INC CMN
Tx type
buy
Traded
Feb 5, 2026
Filed
Mar 9, 2026
Amount low
$1,001
Amount high
$15,000
Range midpoint (estimate)
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
32
Owner type
spouse
Is whale
No
Insider trade
{"insider":{"slug":"regan-mills","name":"Regan Mills","title":"President, Product Test","short_title":"President"},"company":"TERADYNE, INC","ticker":"TER","tx_kind":"open_market_sale","tx_date":"2026-02-25","shares":788,"price":332.87,"value":262301.56,"is_10b5_1":true,"filing_date":"2026-02-27"}
Days between
-20
Opposite side
Yes
Public from
Mar 9, 2026
Method version
2026-11-03
65Insider overlapPublic Nov 21, 2025 · traded Oct 30, 2025
Rep. Lisa C. McClain's spouse bought TER 13 days before its CEO sold $200K
RLisa C. McClainGregory Stephen SmithTER Filing 4
Details
Politician
Lisa C. McClain
Ticker
TER
Asset
Teradyne, Inc. (TER)
Tx type
buy
Traded
Oct 30, 2025
Filed
Nov 21, 2025
Amount low
$1,001
Amount high
$15,000
Range midpoint (estimate)
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
22
Owner type
spouse
Is whale
No
Insider trade
{"insider":{"slug":"gregory-stephen-smith","name":"Gregory Stephen Smith","title":"President and CEO","short_title":"CEO"},"company":"TERADYNE, INC","ticker":"TER","tx_kind":"open_market_sale","tx_date":"2025-11-12","shares":1108,"price":180.2,"value":199661.6,"is_10b5_1":true,"filing_date":"2025-11-14"}
Days between
-13
Opposite side
Yes
Public from
Nov 21, 2025
Method version
2026-11-03