Insider Trading & Ownership of Jonathan Jay Mazelsky

Location: Westbrook, ME
Summary: The estimated net worth of Jonathan Jay Mazelsky is at least $43,835,413 dollars as of 02 Mar 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 $43.34M. Jonathan Jay Mazelsky is the Director of DENTSPLY SIRONA Inc. and owns shares of DENTSPLY SIRONA Inc. (XRAY) stock worth about $493.3K.
Signature: /s/ Lily J. Lu, 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	$43,342,160	-$33,829,723	-44%	26 Feb 2026
XRAY	DENTSPLY SIRONA Inc.	Director	$493,253			09 Jan 2026

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.