Insider Trading & Ownership of YUNG H. CHYUNG

Location: Cambridge, MA
Summary: The estimated net worth of YUNG H. CHYUNG is at least $7,019,589 dollars as of 19 Feb 2025. YUNG H. CHYUNG is the Chief Medical Officer of Scholar Rock Holding Corp and owns shares of Scholar Rock Holding Corp (SRRK) stock worth about $4.12M. YUNG H. CHYUNG is the Chief Medical Officer of Keros Therapeutics, Inc. and owns shares of Keros Therapeutics, Inc. (KROS) stock worth about $1.94M. YUNG H. CHYUNG is the Chief Medical Officer of Tourmaline Bio, Inc. and owns shares of Tourmaline Bio, Inc. (TRML) stock worth about $965.6K.
Signature: /s/ Keith Regnante, Attorney-in-Fact
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Ownership of YUNG H. CHYUNG

Symbol	Company	Relationship	Holdings Value	Report Period
SRRK	Scholar Rock Holding Corp	Chief Medical Officer	$4,117,505	14 Feb 2022
KROS	Keros Therapeutics, Inc.	Chief Medical Officer	$1,936,440	18 Feb 2025
TRML	Tourmaline Bio, Inc.	Chief Medical Officer	$965,644	19 Oct 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.