TER

Nasdaq

TERADYNE, INC

Latest disclosureOctober 2, 2026

Insider score Why 0?: 0/ 100
Qualifying buys · 30d: $0

0 purchases · 23 sales

Price by TradingView

Insider transactions 55

Limited filing history

Filters

Last 30 daysNo qualifying insider buying. Sales: $1.83M by 3 insiders.

Showing the first 6 of 20 trades on this page.

Sale disclosed

Mercedes Johnson

Director

Common Stock

Reported value: $67.28K
Reported price: $402.90 / share

Sale disclosed

Marilyn Matz

Director

Common Stock

Reported value: $140.44K
Reported price: $351.11 / share

Sale disclosed

Gregory Stephen Smith

President and CEO

Common Stock

Reported value: $1.35M
Reported price: $337.83 / share

Sale disclosed

Marilyn Matz

Director

Common Stock

Reported value: $270.26K
Reported price: $337.83 / share

Sale disclosed

Mercedes Johnson

Director

Common Stock

Reported value: $57K
Reported price: $341.30 / share

Sale disclosed

Gregory Stephen Smith

President and CEO

Common Stock

Reported value: $1.7M
Reported price: $425.00 / share

Sale disclosed

Marilyn Matz

Director

Common Stock

Reported value: $510K
Reported price: $425.00 / share

Sale disclosed

Mercedes Johnson

Director

Common Stock

Reported value: $59.45K
Reported price: $358.15 / share

Sale disclosed

Gregory Stephen Smith

President and CEO

Common Stock

Reported value: $1.43M
Reported price: $356.31 / share

Sale disclosed

Marilyn Matz

Director

Common Stock

Reported value: $427.57K
Reported price: $356.31 / share

Sale disclosed

Mercedes Johnson

Director

Common Stock

Reported value: $76.82K
Reported price: $460.00 / share

Sale disclosed

Marilyn Matz

Director

Common Stock

Reported value: $507.64K
Reported price: $423.03 / share

Sale disclosed

Gregory Stephen Smith

President and CEO

Common Stock

Reported value: $1.69M
Reported price: $423.03 / share

Sale disclosed

Mercedes Johnson

Director

Common Stock

Reported value: $61.75K
Reported price: $369.74 / share

Sale disclosed

Shannon John Poulin

President, Semiconductor Test

Common Stock

Reported value: $348.13K
Reported price: $345.37 / share

Sale disclosed

Shannon John Poulin

President, Semiconductor Test

Common Stock

Reported value: $232.88K
Reported price: $355.00 / share

Sale disclosed

Marilyn Matz

Director

Common Stock

Reported value: $140K
Reported price: $350.00 / share

Sale disclosed

Gregory Stephen Smith

President and CEO

Common Stock

Reported value: $2.91M
Reported price: $338.98 / share

Sale disclosed

Marilyn Matz

Director

Common Stock

Reported value: $271.18K
Reported price: $338.98 / share

Sale disclosed

Ryan Driscoll

VP, General Counsel, Secretary

Common Stock

Reported value: $256.77K
Reported price: $377.60 / share

Reporting insider	Security / transaction	Amount / price	Value	Traded / disclosed	Source
Director	Common StockSale10b5-1	167$402.90 / share	$67.28K	Oct 1Filed Oct 2 · 1d later	SEC filing
Director	Common StockSale10b5-1	400$351.11 / share	$140.44K	Sep 17Filed Sep 18 · 1d later	SEC filing
President and CEO	Common StockSale10b5-1	4,000$337.83 / share	$1.35M	Sep 15Filed Sep 16 · 1d later	SEC filing
Director	Common StockSale10b5-1	800$337.83 / share	$270.26K	Sep 15Filed Sep 16 · 1d later	SEC filing
Director	Common StockSale10b5-1	167$341.30 / share	$57K	Sep 1Filed Sep 2 · 1d later	SEC filing
President and CEO	Common StockSale10b5-1	4,000$425.00 / share	$1.7M	Aug 17Filed Aug 18 · 1d later	SEC filing
Director	Common StockSale10b5-1	1,200$425.00 / share	$510K	Aug 17Filed Aug 18 · 1d later	SEC filing
Director	Common StockSale10b5-1	166$358.15 / share	$59.45K	Aug 3Filed Aug 4 · 1d later	SEC filing
President and CEO	Common StockSale10b5-1	4,000$356.31 / share	$1.43M	Jul 15Filed Jul 16 · 1d later	SEC filing
Director	Common StockSale10b5-1	1,200$356.31 / share	$427.57K	Jul 15Filed Jul 16 · 1d later	SEC filing
Director	Common StockSale10b5-1	167$460.00 / share	$76.82K	Jul 1Filed Jul 2 · 1d later	SEC filing
Director	Common StockSale10b5-1	1,200$423.03 / share	$507.64K	Jun 15Filed Jun 16 · 1d later	SEC filing
President and CEO	Common StockSale10b5-1	4,000$423.03 / share	$1.69M	Jun 15Filed Jun 16 · 1d later	SEC filing
Director	Common StockSale10b5-1	167$369.74 / share	$61.75K	Jun 2Filed Jun 3 · 1d later	SEC filing
President, Semiconductor Test	Common StockSale10b5-1	1,008$345.37 / share	$348.13K	May 21Filed May 26 · 5d later	SEC filing
President, Semiconductor Test	Common StockSale10b5-1	656$355.00 / share	$232.88K	May 22Filed May 26 · 4d later	SEC filing
Director	Common StockSale10b5-1	400$350.00 / share	$140K	May 21Filed May 26 · 5d later	SEC filing
President and CEO	Common StockSale10b5-1	8,597$338.98 / share	$2.91M	May 15Filed May 19 · 4d later	SEC filing
Director	Common StockSale10b5-1	800$338.98 / share	$271.18K	May 15Filed May 19 · 4d later	SEC filing
VP, General Counsel, Secretary	Common StockSale10b5-1	680$377.60 / share	$256.77K	May 7Filed May 11 · 4d later	SEC filing

Showing the latest 20 of 23 trades. Show all 23 trades

Congress transactions 5

All Congress filings

Full sale disclosedAmended report

Teradyne, Inc. - Common Stock · Stock

The filing reports a full sale for a joint account.

Thomas H TubervilleReporting Senate member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: May 3, 2024

Purchase disclosed

Teradyne, Inc. - Common Stock · Stock

The filing reports a purchase for the member.

AAAlan ArmstrongReporting Senate member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: March 27, 2026

Sale disclosed

Teradyne, Inc. (TER) · Stock

The filing reports a sale for a spouse.

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 31, 2025

Purchase disclosed

Teradyne, Inc. (TER) · Stock

The filing reports a purchase for a spouse.

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 30, 2025

Sale disclosed

Teradyne, Inc. (TER) · Stock

The filing reports a sale for a spouse.

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 30, 2025

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0000097210
Latest public acceptance: Oct 2, 2026, 04:44 PM UTC
Score calculated: Oct 8, 2026, 12:03 AM UTC
Parser: form4-parser-1.5
Classifier: form4-classifier-1.1
Scoring methodology: insider-experimental-1.1
Availability: Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Reporting insider

Security / transaction

Amount / price

Value

Traded / disclosed

Source

Director

Common StockSale10b5-1

167$402.90 / share

$67.28K

Oct 1Filed Oct 2 · 1d later