Insider Trading & Ownership of Jonathan Jay Mazelsky

Location: One Idexx Drive, Westbrook, ME
Summary: The estimated net worth of Jonathan Jay Mazelsky is at least $56.2M dollars as of October 15, 2025. 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 $55.7M. Jonathan Jay Mazelsky is the Director of DENTSPLY SIRONA Inc. and owns shares of DENTSPLY SIRONA Inc. (XRAY) stock worth about $502K.
Signature: /s/ Jessica Nielsen Causey, Attorney-in-Fact for Jonathan Jay Mazelsky
All Insider Reports: All Insider Reports

Notify me when Jonathan Jay Mazelsky files a new Insider Trading report.

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	$55.7M	-$18.5M	-24.9%	Aug 15, 2025
XRAY	DENTSPLY SIRONA Inc.	Director	$502K			Oct 10, 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.