Quentin S. Blackford - Insider Trading & Ownership

Location: 7475 Lusk Blvd., San Diego, CA
Summary: The estimated net worth of Quentin S. Blackford is at least $40M dollars as of November 4, 2025. Quentin S. Blackford is the President and CEO, Director of iRhythm Technologies, Inc. and owns shares of iRhythm Technologies, Inc. (IRTC) stock worth about $30.2M. Quentin S. Blackford is the Director of Alphatec Holdings, Inc. and owns shares of Alphatec Holdings, Inc. (ATEC) stock worth about $7.2M. Quentin S. Blackford is the Chief Operating Officer of DEXCOM INC and owns shares of DEXCOM INC (DXCM) stock worth about $2.38M. Quentin S. Blackford is the Director of Axogen, Inc. and owns shares of Axogen, Inc. (AXGN) stock worth about $247K.
Signature: /s/ Marc Rosenbaum, attorney-in-fact
All Insider Reports: All Insider Reports

Notify me when Quentin S. Blackford files a new Insider Trading report.

Ownership of Quentin S. Blackford

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
IRTC	iRhythm Technologies, Inc.	President and CEO, Director	$30.2M	-$10.8M	-26.3%	Nov 3, 2025
ATEC	Alphatec Holdings, Inc.	Director	$7.2M			Jun 11, 2025
DXCM	DEXCOM INC	Chief Operating Officer	$2.38M			Sep 8, 2021
AXGN	Axogen, Inc.	Director	$247K			Mar 30, 2022
FNA	Paragon 28, Inc.	Director	$0			Apr 21, 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.