Info
Insider Ownership

Insider Trading & Ownership of SPENCER R. BERTHELSEN

Location: Carlsbad, CA
Summary: The estimated net worth of SPENCER R. BERTHELSEN is at least $5,199,580 dollars as of 17 Jul 2025. SPENCER R. BERTHELSEN is the Director of IONIS PHARMACEUTICALS INC and owns shares of IONIS PHARMACEUTICALS INC (IONS) stock worth about $5.2M.
Signature: By: Patrick R. O'Neil, attorney-in-fact For: Spencer R. Berthelsen
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Ownership of SPENCER R. BERTHELSEN

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
IONS	IONIS PHARMACEUTICALS INC	Director	$5,199,580			15 Jul 2025

Insider Transactions Reported by SPENCER R. BERTHELSEN:

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.