Insider Trading & Ownership of ERIC P. LEFKOFSKY

Location: Wilmongton, DE
Summary: The estimated net worth of ERIC P. LEFKOFSKY is at least $2,713,257,515 dollars as of 22 Dec 2025. ERIC P. LEFKOFSKY is the CEO and Chairman, Director, 10%+ Owner of Tempus AI, Inc. and owns shares of Tempus AI, Inc. (TEM) stock worth about $2.67B. ERIC P. LEFKOFSKY is the 10%+ Owner of Groupon, Inc. and owns shares of Groupon, Inc. (GRPN) stock worth about $40.92M. ERIC P. LEFKOFSKY is the 10%+ Owner of Personalis, Inc. and owns shares of Personalis, Inc. (PSNL) stock worth about $193.5K.
Signature: /s/ Andrew Polovin, Attorney-in-Fact
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Ownership of ERIC P. LEFKOFSKY

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
TEM	Tempus AI, Inc.	CEO and Chairman, Director, 10%+ Owner	$2,672,147,822	-$516,897,238	-16%	18 Dec 2025
GRPN	Groupon, Inc.	10%+ Owner	$40,916,193			14 May 2024
PSNL	Personalis, Inc.	10%+ Owner	$193,500			28 Nov 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.