David M. Epstein - Insider Trading & Ownership

Location: Osi Pharmaceuticals, Inc., 41 Pinelawn Road, Melville, NY
Summary: The estimated net worth of David M. Epstein is at least $1.88M dollars as of June 6, 2025. David M. Epstein is the Officer Title: President and Chief Executive Officer, Director of Black Diamond Therapeutics, Inc. and owns shares of Black Diamond Therapeutics, Inc. (BDTX) stock worth about $1.88M.
Signature: /s/ Ruoyu Chen, as attorney-in-fact for David M. Epstein
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Ownership of David M. Epstein

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
BDTX	Black Diamond Therapeutics, Inc.	Officer Title: President and Chief Executive Officer, Director	$1.88M			Jun 27, 2023
GYRE	GYRE THERAPEUTICS, INC.	Director				Jun 4, 2025

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Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership
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* An asterisk sign (*) next to the price indicates that the price is likely invalid.