Insider Transactions

What Teradyne, Inc.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	0	0
Sells	11	34
Total trades	17	91

Shares traded

	3 months	12 months
Acquired	307	108,477
Disposed	16,100	90,131
Net activity	−15,793	+18,346

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Matz Marilyn	Director	Oct 21	Open-market sale · S	−400	$350.00	−$140K	12,641
Matz Marilyn	Director	Oct 15	Open-market sale · S	−800	$341.28	−$273K	13,041
Smith Gregory Stephen	President and CEO	Oct 15	Open-market sale · S	−4,000	$341.28	−$1.37M	104,495
Johnson Mercedes	Director	Oct 01	Open-market sale · S	−167	$402.90	−$67.3K	6,197
Tufano Paul J	Director	Sep 25	Other Transaction · J	+19	—	—	66,008
Maddock Ernest E	Director	Sep 25	Other Transaction · J	+2	—	—	10,269
Herweck Peter	Director	Sep 25	Other Transaction · J	+4	—	—	16,282
Tufano Paul J	Director	Sep 24	Grant / award · A	+141	—	—	65,989
Herweck Peter	Director	Sep 24	Grant / award · A	+77	—	—	16,278
Henry Andrew Chisholm	Director	Sep 24	Grant / award · A	+64	—	—	2,991
Matz Marilyn	Director	Sep 17	Open-market sale · S	−400	$351.11	−$140K	13,841
Smith Gregory Stephen	President and CEO	Sep 15	Open-market sale · S	−4,000	$337.83	−$1.35M	108,495
Matz Marilyn	Director	Sep 15	Open-market sale · S	−800	$337.83	−$270K	14,241
Johnson Mercedes	Director	Sep 01	Open-market sale · S	−167	$341.30	−$57K	6,364
Smith Gregory Stephen	President and CEO	Aug 17	Open-market sale · S	−4,000	$425.00	−$1.7M	112,495
Matz Marilyn	Director	Aug 17	Open-market sale · S	−1,200	$425.00	−$510K	15,041
Johnson Mercedes	Director	Aug 03	Open-market sale · S	−166	$358.15	−$59.5K	6,531
Matz Marilyn	Director	Jul 15	Open-market sale · S	−1,200	$356.31	−$428K	16,241
Smith Gregory Stephen	President and CEO	Jul 15	Open-market sale · S	−4,000	$356.31	−$1.43M	116,495
Johnson Mercedes	Director	Jul 01	Open-market sale · S	−167	$460.00	−$76.8K	6,697

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