Teradyne · Insider Trading

Last 365 days · Open-market buys and sells by officers and directors · Same-day, same-person, same-direction trades combined · Amounts in USD millions← TER

Buy

0 · $0.00M

Sell

21 · $12.6M

Net

−$12.6M

By Insider

Name	Title	Buy	Sell	Latest Trade
Smith Gregory Stephen	President and CEO	—	24,597 shares · $9.1M	2026-09-15
MATZ MARILYN	—	—	5,600 shares · $2.1M	2026-09-15
Poulin Shannon John	President, Semiconductor Test	—	1,664 shares · $0.58M	2026-05-22
JOHNSON MERCEDES	—	—	1,292 shares · $0.45M	2026-09-01
Driscoll Ryan	VP, General Counsel, Secretary	—	680 shares · $0.26M	2026-05-07
Mills Regan	President, Product Test	—	268 shares · $0.08M	2026-04-08

All Trades

Date	Name	Title	Side	Shares	Trades	Avg Price	Value
2026-09-15	MATZ MARILYN	Director	Sell	800	1	337.83	$0.27M
2026-09-15	Smith Gregory Stephen	President and CEO	Sell	4,000	1	337.83	$1.4M
2026-09-01	JOHNSON MERCEDES	Director	Sell	167	1	341.30	$0.06M
2026-08-17	MATZ MARILYN	Director	Sell	1,200	1	425.00	$0.51M
2026-08-17	Smith Gregory Stephen	President and CEO	Sell	4,000	1	425.00	$1.7M
2026-08-03	JOHNSON MERCEDES	Director	Sell	166	1	358.15	$0.06M
2026-07-15	MATZ MARILYN	Director	Sell	1,200	1	356.31	$0.43M
2026-07-15	Smith Gregory Stephen	President and CEO	Sell	4,000	1	356.31	$1.4M
2026-07-01	JOHNSON MERCEDES	Director	Sell	167	1	460.00	$0.08M
2026-06-15	Smith Gregory Stephen	President and CEO	Sell	4,000	1	423.03	$1.7M
2026-06-15	MATZ MARILYN	Director	Sell	1,200	1	423.03	$0.51M
2026-06-02	JOHNSON MERCEDES	Director	Sell	167	1	369.74	$0.06M
2026-05-22	Poulin Shannon John	President, Semiconductor Test	Sell	656	1	355.00	$0.23M
2026-05-21	MATZ MARILYN	Director	Sell	400	1	350.00	$0.14M
2026-05-21	Poulin Shannon John	President, Semiconductor Test	Sell	1,008	1	345.37	$0.35M
2026-05-15	MATZ MARILYN	Director	Sell	800	1	338.98	$0.27M
2026-05-15	Smith Gregory Stephen	President and CEO	Sell	8,597	1	338.98	$2.9M
2026-05-07	Driscoll Ryan	VP, General Counsel, Secretary	Sell	680	1	377.60	$0.26M
2026-04-08	Mills Regan	President, Product Test	Sell	16	1	342.17	$0.01M
2026-04-06	JOHNSON MERCEDES	Director	Sell	625	1	312.20	$0.20M
2026-04-02	Mills Regan	President, Product Test	Sell	252	1	290.88	$0.07M

Data comes from insiders' SEC ownership filings (Form 4). Only open-market purchases (P) and sales (S) are counted; option exercises, grants, tax withholding and other non-trading changes are excluded.