Insider Trading & Ownership of Clay B. Siegall

Location: Bothell, WA
Summary: The estimated net worth of Clay B. Siegall is at least $166,708,974 dollars as of 30 Dec 2025. Clay B. Siegall is the President & CEO, Director of Seagen Inc. and owns shares of Seagen Inc. stock worth about $152.53M. Clay B. Siegall is the President and CEO, Director of Immunome Inc. and owns shares of Immunome Inc. (IMNM) stock worth about $14.07M. Clay B. Siegall is the Director of Shattuck Labs, Inc. and owns shares of Shattuck Labs, Inc. (STTK) stock worth about $111.1K.
Signature: /s/ Sandra Stoneman, Attorney-in-Fact
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Ownership of Clay B. Siegall

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
SGEN	Seagen Inc.	President & CEO, Director	$152,527,740			12 May 2022
IMNM	Immunome Inc.	President and CEO, Director	$14,070,122	+$2,248,517	+19%	30 Dec 2025
STTK	Shattuck Labs, Inc.	Director	$111,112			25 Aug 2025
NRIX	Nurix Therapeutics, Inc.	Director				05 May 2022
TRML	Tourmaline Bio, Inc.	Director				28 Oct 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.