MADDOCK ERNEST E - Insider Non-Derivative Transactions at TERADYNE, INC (TER) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 17, 2025, MADDOCK ERNEST E's relationship to TERADYNE, INC (TER) is Director, and currently has 9,595 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other TER insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

MADDOCK ERNEST E - Insider Non-Derivative Transactions of TER Common Stock

MADDOCK ERNEST E - Insider Non-Derivative Transactions at TER

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 18, 2025	J -- (Common Stock)	2	0	9595
Sep 30, 2025	J -- (Common Stock)	3	0	9593
Jun 14, 2025	J -- (Common Stock)	6	0	9590
May 10, 2025	Acquisition -- (Common Stock)	2971	0	9584
Mar 15, 2025	J -- (Common Stock)	3	0	6613
Dec 19, 2024	J -- (Common Stock)	2	0	6610
Sep 28, 2024	J -- (Common Stock)	2	0	6608
Jun 15, 2024	J -- (Common Stock)	2	0	6606
May 10, 2024	Acquisition -- (Common Stock)	1876	0	6604
Feb 2, 2024	P -- (Common Stock)	1000	94.07	4728
May 13, 2023	Acquisition -- (Common Stock)	2530	0	3728