Insider Trading & Ownership of Bihua Chen

Location: Boston, MA
Summary: The estimated net worth of Bihua Chen is at least $238,003,038 dollars as of 28 Jan 2026. Bihua Chen is the Director, 10%+ Owner of BridgeBio Oncology Therapeutics, Inc. and owns shares of BridgeBio Oncology Therapeutics, Inc. (BBOT) stock worth about $191.61M. Bihua Chen is the Director of Erasca, Inc. and owns shares of Erasca, Inc. (ERAS) stock worth about $17.19M. Bihua Chen is the Former 10% Owner of MoonLake Immunotherapeutics and owns shares of MoonLake Immunotherapeutics (MLTX) stock worth about $13.88M. Bihua Chen is the Chairperson and CEO, Director, 10%+ Owner of Helix Acquisition Corp. III and owns shares of Helix Acquisition Corp. III (HLXC) stock worth about $8M. Bihua Chen is the Former Director of Biomea Fusion, Inc. and owns shares of Biomea Fusion, Inc. (BMEA) stock worth about $7.33M.
Signature: /s/ Bihua Chen, Name: Bihua Chen
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Ownership of Bihua Chen

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
BBOT	BridgeBio Oncology Therapeutics, Inc.	Director, 10%+ Owner	$191,610,255			11 Aug 2025
ERAS	Erasca, Inc.	Director	$17,187,655			22 Jun 2023
MLTX	MoonLake Immunotherapeutics	Former 10% Owner	$13,879,444	-$46,868,184	-77%	29 Sep 2025
HLXC	Helix Acquisition Corp. III	Chairperson and CEO, Director, 10%+ Owner	$8,000,000			26 Jan 2026
BMEA	Biomea Fusion, Inc.	Former Director	$7,325,684			01 Aug 2025

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.