Insider Trading & Ownership of David R. Epstein

Location: New York, NY
Summary: The estimated net worth of David R. Epstein is at least $2,148,762 dollars as of 03 Dec 2025. David R. Epstein is the Director of Tempus AI, Inc. and owns shares of Tempus AI, Inc. (TEM) stock worth about $2M. David R. Epstein is the Director of Axcella Health Inc. and owns shares of Axcella Health Inc. stock worth about $121.7K. David R. Epstein is the Director of Evelo Biosciences, Inc. and owns shares of Evelo Biosciences, Inc. stock worth about $31K.
Signature: /s/ Andrew Polovin, Attorney-in-Fact
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Ownership of David R. Epstein

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
TEM	Tempus AI, Inc.	Director	$1,996,106	-$205,068	-9.3%	01 Dec 2025
AXLA	Axcella Health Inc.	Director	$121,658			19 May 2022
EVLO	Evelo Biosciences, Inc.	Director	$30,998			30 Jun 2022
OHAA	Opy Acquisition Corp. I	Director				26 Oct 2021
RUBY	Rubius Therapeutics, Inc.	Director				12 May 2022
SGEN	Seagen Inc.	CEO, Director				14 Dec 2023
SNTI	Senti Biosciences, Inc.	Director				13 Jul 2022

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.