Insider Trading & Ownership of Jeffrey G. Black

Location: San Diego, CA
Summary: The estimated net worth of Jeffrey G. Black is at least $4,449,634 dollars as of 04 Sep 2025. Jeffrey G. Black is the Chief Financial Officer of EXAGEN INC. and owns shares of EXAGEN INC. (XGN) stock worth about $2.67M. Jeffrey G. Black is the SVP & Chief Financial Officer of STANDARD BIOTOOLS INC. and owns shares of STANDARD BIOTOOLS INC. (LAB) stock worth about $1.78M.
Signature: /s/ Jeffrey G. Black
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Ownership of Jeffrey G. Black

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
XGN	EXAGEN INC.	Chief Financial Officer	$2,669,564	-$200,362	-7%	02 Sep 2025
LAB	STANDARD BIOTOOLS INC.	SVP & Chief Financial Officer	$1,780,070			20 Aug 2024
APEN	Apollo Endosurgery, Inc.	Chief Financial Officer				04 Apr 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.