Insider Trading & Ownership of David S. Tierney

Location: South Plainfield, NJ
Summary: The estimated net worth of David S. Tierney is at least $9,562,643 dollars as of 30 Dec 2025. David S. Tierney is the Director of CATALYST PHARMACEUTICALS, INC. and owns shares of CATALYST PHARMACEUTICALS, INC. (CPRX) stock worth about $9.51M. David S. Tierney is the Director of ZEVRA THERAPEUTICS, INC. and owns shares of ZEVRA THERAPEUTICS, INC. (ZVRA) stock worth about $53.7K.
Signature: /s/ David S. Tierney
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Ownership of David S. Tierney

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
CPRX	CATALYST PHARMACEUTICALS, INC.	Director	$9,508,911	-$525,200	-5.2%	29 Dec 2025
ZVRA	ZEVRA THERAPEUTICS, INC.	Director	$53,732			09 Mar 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.