Stocks
TER Teradyne, Inc

TER

Teradyne, Inc

Company with tickers: TER

CIK

97210

CUSIP

880770102

Shares Outstanding

156,542,162

Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-15	MATZ MARILYN	Director	Sell	800	$338.98	$271,184	19,040
2026-05-15	Smith Gregory Stephen	Director, President and CEO	Convert	4,597	$72.10	$331,444	133,066
2026-05-15	Smith Gregory Stephen	Director, President and CEO	Convert	4,597	—	—	0
2026-05-15	Smith Gregory Stephen	Director, President and CEO	Sell	8,597	$338.98	$2,914,211	124,469
2026-05-08	Herweck Peter	Director	Award	668	—	—	16,134
2026-05-08	JOHNSON MERCEDES	Director	Award	668	—	—	7,031
2026-05-08	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2026-05-08	MATZ MARILYN	Director	Award	668	—	—	19,840
2026-05-08	van Kralingen Bridget A	Director	Award	668	—	—	6,224
2026-05-08	Henry Andrew Chisholm	Director	Award	668	—	—	2,875
2026-05-08	TUFANO PAUL J	Director	Award	668	—	—	65,713
2026-05-08	Sayiner Necip	Director	Award	668	—	—	2,800
2026-05-08	MADDOCK ERNEST E	Director	Award	668	—	—	10,265
2026-05-07	Driscoll Ryan	VP, General Counsel, Secretary	Sell	680	$377.60	$256,768	7,665
2026-04-08	Mills Regan	President, Product Test	Sell	16	$342.17	$5,475	11,399
2026-04-06	JOHNSON MERCEDES	Director	Sell	625	$312.20	$195,125	6,363
2026-04-06	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2026-04-02	Mills Regan	President, Product Test	Sell	252	$290.88	$73,302	11,415
2026-04-01	Poulin Shannon John	President, Semiconductor Test	Tax	1,162	$312.20	$362,776	16,073
2026-04-01	Mills Regan	President, Product Test	Tax	222	$312.20	$69,308	11,667
2026-03-26	Herweck Peter	Director	Award	92	—	—	15,466
2026-03-26	TUFANO PAUL J	Director	Award	159	—	—	65,045
2026-03-26	Henry Andrew Chisholm	Director	Award	75	—	—	2,207
2026-03-13	MADDOCK ERNEST E	Director	Other	2	—	—	9,597
2026-03-13	TUFANO PAUL J	Director	Other	25	—	—	64,886
2026-03-13	Herweck Peter	Director	Other	5	—	—	15,374
2026-03-05	JOHNSON MERCEDES	Director	Sell	625	$299.20	$187,000	6,988
2026-03-05	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2026-02-25	Mills Regan	President, Product Test	Sell	788	$332.87	$262,302	11,889
2026-02-05	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2026-02-05	JOHNSON MERCEDES	Director	Sell	625	$266.98	$166,863	7,613
2026-02-04	Smith Gregory Stephen	Director, President and CEO	Award	13,380	—	—	128,469
2026-02-04	Smith Gregory Stephen	Director, President and CEO	Award	11,810	—	—	11,810
2026-02-04	Poulin Shannon John	President, Semiconductor Test	Award	3,937	—	—	3,937
2026-02-04	Poulin Shannon John	President, Semiconductor Test	Award	4,460	—	—	17,235
2026-02-04	Driscoll Ryan	VP, General Counsel, Secretary	Award	1,784	—	—	8,345
2026-02-04	Driscoll Ryan	VP, General Counsel, Secretary	Award	1,575	—	—	1,575
2026-02-04	Mills Regan	President, Product Test	Award	886	—	—	886
2026-02-04	Mills Regan	President, Product Test	Award	1,004	—	—	12,677
2026-02-04	Hathout Jean Pierre	President, Teradyne Robotics	Award	1,004	—	—	10,174
2026-02-04	Hathout Jean Pierre	President, Teradyne Robotics	Award	886	—	—	886
2026-02-02	Hathout Jean Pierre	President, Teradyne Robotics	Tax	381	$249.53	$95,071	9,170
2026-02-02	Mills Regan	President, Product Test	Tax	345	$249.53	$86,088	11,673
2026-02-02	Smith Gregory Stephen	Director, President and CEO	Tax	6,763	$249.53	$1,687,571	115,089
2026-02-02	Driscoll Ryan	VP, General Counsel, Secretary	Tax	414	$249.53	$103,305	6,561
2026-01-28	Smith Gregory Stephen	Director, President and CEO	Tax	486	$250.48	$121,733	121,852
2026-01-28	Mills Regan	President, Product Test	Tax	167	$250.48	$41,830	12,018
2026-01-28	Driscoll Ryan	VP, General Counsel, Secretary	Tax	82	$250.48	$20,539	6,975
2026-01-27	Smith Gregory Stephen	Director, President and CEO	Tax	30,610	$238.94	$7,313,953	122,338
2026-01-27	Smith Gregory Stephen	Director, President and CEO	Award	59,475	—	—	152,948
2026-01-27	Mills Regan	President, Product Test	Tax	193	$238.94	$46,115	12,185
2026-01-27	Driscoll Ryan	VP, General Counsel, Secretary	Tax	113	$238.94	$27,000	7,057
2026-01-05	JOHNSON MERCEDES	Director	Sell	625	$211.85	$132,406	8,238
2026-01-05	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2025-12-17	MADDOCK ERNEST E	Director	Other	2	—	—	9,595
2025-12-17	TUFANO PAUL J	Director	Other	36	—	—	64,861
2025-12-17	TUFANO PAUL J	Director	Award	256	—	—	64,825
2025-12-17	Herweck Peter	Director	Award	148	—	—	15,362
2025-12-17	Herweck Peter	Director	Other	7	—	—	15,369
2025-12-12	Smith Gregory Stephen	Director, President and CEO	Sell	1,108	$201.31	$223,051	93,408
2025-12-05	JOHNSON MERCEDES	Director	Sell	625	$200.00	$125,000	8,863
2025-12-05	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2025-11-12	Smith Gregory Stephen	Director, President and CEO	Sell	1,108	$180.20	$199,662	94,516
2025-11-05	Smith Gregory Stephen	Director, President and CEO	Convert	2,072	$36.75	$76,146	96,848
2025-11-05	Smith Gregory Stephen	Director, President and CEO	Tax	1,224	$177.05	$216,709	95,624
2025-11-05	Smith Gregory Stephen	Director, President and CEO	Convert	2,072	—	—	0
2025-11-05	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2025-11-05	JOHNSON MERCEDES	Director	Sell	625	$177.05	$110,656	9,488
2025-11-03	Turner Michelle L.	Chief Financial Officer	Award	9,156	—	—	9,156
2025-11-03	Turner Michelle L.	Chief Financial Officer	Award	11,144	—	—	11,260
2025-11-03	Turner Michelle L.	Chief Financial Officer	Other	116	—	—	116
2025-10-10	Smith Gregory Stephen	Director, President and CEO	Sell	1,108	$145.24	$160,926	94,776
2025-10-06	JOHNSON MERCEDES	Director	Sell	625	$147.90	$92,438	10,113
2025-10-06	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2025-09-29	MADDOCK ERNEST E	Director	Other	3	—	—	9,593
2025-09-29	TUFANO PAUL J	Director	Other	49	—	—	64,569
2025-09-29	Herweck Peter	Director	Other	9	—	—	15,214
2025-09-25	TUFANO PAUL J	Director	Award	357	—	—	64,520
2025-09-25	Herweck Peter	Director	Award	206	—	—	15,205
2025-09-22	Smith Gregory Stephen	Director, President and CEO	Sell	554	$126.39	$70,020	95,884
2025-09-12	Smith Gregory Stephen	Director, President and CEO	Sell	554	$115.00	$63,710	96,438
2025-09-05	JOHNSON MERCEDES	Director	Sell	625	$120.06	$75,038	10,738
2025-09-05	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2025-09-02	Hathout Jean Pierre	President, Teradyne Robotics	Other	9,551	—	—	9,551
2025-08-12	Smith Gregory Stephen	Director, President and CEO	Sell	554	$106.00	$58,724	96,992
2025-08-05	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2025-08-05	JOHNSON MERCEDES	Director	Sell	625	$106.00	$66,250	11,363
2025-08-01	Kumar Ujjwal	President, Teradyne Robotics	Tax	657	$104.16	$68,433	16,369
2025-07-30	Smith Gregory Stephen	Director, President and CEO	Sell	554	$105.73	$58,574	97,546
2025-07-30	JOHNSON MERCEDES	Director	Sell	1,875	$105.73	$198,244	11,988
2025-07-30	JOHNSON MERCEDES	Director	Other	1,876	—	—	1,876
2025-07-01	Sayiner Necip	Director	Award	2,132	—	—	2,132
2025-07-01	Henry Andrew Chisholm	Director	Award	2,132	—	—	2,132
2025-07-01	Henry Andrew Chisholm	Director	Other	0	—	—	0
2025-07-01	Sayiner Necip	Director	Other	0	—	—	0
2025-06-26	TUFANO PAUL J	Director	Award	521	—	—	64,163
2025-06-26	Herweck Peter	Director	Award	302	—	—	14,999
2025-06-13	TUFANO PAUL J	Director	Other	79	—	—	63,642
2025-06-13	Herweck Peter	Director	Other	15	—	—	14,697
2025-06-13	MADDOCK ERNEST E	Director	Other	6	—	—	9,590