Insider Trading & Ownership of Sarah Boyce

Location: San Diego, CA
Summary: The estimated net worth of Sarah Boyce is at least $21.1M dollars as of 19 Dec 2025. Sarah Boyce is the President and CEO, Director of Avidity Biosciences, Inc. and owns shares of Avidity Biosciences, Inc. (RNA) stock worth about $20.6M. Sarah Boyce is the Director of OmniAb, Inc. and owns shares of OmniAb, Inc. (OABI) stock worth about $302K. Sarah Boyce is the Former Director of LIGAND PHARMACEUTICALS INC and owns shares of LIGAND PHARMACEUTICALS INC (LGND) stock worth about $209K. Sarah Boyce is the Director of Berkeley Lights, Inc. and owns shares of Bruker Cellular Analysis, Inc. stock worth about $770.
Signature: /s/ John B. Moriarty, Jr., J.D., Attorney-in-Fact
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Ownership of Sarah Boyce

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
RNA	Avidity Biosciences, Inc.	President and CEO, Director	$20.6M	-$5.01M	-19.5%	17 Dec 2025
OABI, OABIW	OmniAb, Inc.	Director	$302K			18 Jun 2024
LGND, LGNDZ	LIGAND PHARMACEUTICALS INC	Former Director	$209K			01 Nov 2022
CELL	Bruker Cellular Analysis, Inc.	Director	$770			14 May 2021
CTNM	Contineum Therapeutics, Inc.	Director				26 Jun 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.