Insider Trading & Ownership of ERNEST E. MADDOCK

Location: North Reading, MA
Summary: The estimated net worth of ERNEST E. MADDOCK is at least $4,466,880 dollars as of 05 Jan 2026. ERNEST E. MADDOCK is the Director of TERADYNE, INC and owns shares of TERADYNE, INC (TER) stock worth about $1.61M. ERNEST E. MADDOCK is the Director of Ultra Clean Holdings, Inc. and owns shares of Ultra Clean Holdings, Inc. (UCTT) stock worth about $1.08M. ERNEST E. MADDOCK is the Director of Ouster, Inc. and owns shares of Ouster, Inc. (OUST) stock worth about $920.9K. ERNEST E. MADDOCK is the Director of AVNET INC and owns shares of AVNET INC (AVT) stock worth about $852K.
Signature: /s/ Darrel S. Jackson, Attorney-In-Fact
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Ownership of ERNEST E. MADDOCK

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
TER	TERADYNE, INC	Director	$1,614,166			17 Dec 2025
UCTT	Ultra Clean Holdings, Inc.	Director	$1,079,827	+$242,900	+29%	21 May 2025
OUST, OUSTW	Ouster, Inc.	Director	$920,896			18 Jun 2025
AVT	AVNET INC	Director	$851,991			02 Jan 2026
VLDR	Velodyne Lidar, Inc.	Director				10 Feb 2023

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.