Insider Trading & Ownership of JONATHAN JAY MAZELSKY

Location: Westbrook, ME
Summary: The estimated net worth of JONATHAN JAY MAZELSKY is at least $56,237,397 dollars as of 02 Jan 2026. JONATHAN JAY MAZELSKY is the President and CEO, Director of IDEXX LABORATORIES INC /DE and owns shares of IDEXX LABORATORIES INC /DE (IDXX) stock worth about $55.71M. JONATHAN JAY MAZELSKY is the Director of DENTSPLY SIRONA Inc. and owns shares of DENTSPLY SIRONA Inc. (XRAY) stock worth about $524.6K.
Signature: /s/ Jessica Nielsen Causey, Attorney-in-Fact for Jonathan Jay Mazelsky
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Ownership of JONATHAN JAY MAZELSKY

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
IDXX	IDEXX LABORATORIES INC /DE	President and CEO, Director	$55,712,833	-$18,491,642	-25%	15 Aug 2025
XRAY	DENTSPLY SIRONA Inc.	Director	$524,564			31 Dec 2025

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.