Info
Insider Ownership

Insider Trading & Ownership of Ourania Tatsis

Location: Boston, MA
Summary: The estimated net worth of Ourania Tatsis is at least $23,044,532 dollars as of 19 Feb 2026. Ourania Tatsis is the EVP, Chief Reg. & Quality Off. of VERTEX PHARMACEUTICALS INC / MA and owns shares of VERTEX PHARMACEUTICALS INC / MA (VRTX) stock worth about $23.04M.
Signature: /s/ Christiana Stevenson, Attorney-in-Fact
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Ownership of Ourania Tatsis

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
VRTX	VERTEX PHARMACEUTICALS INC / MA	EVP, Chief Reg. & Quality Off.	$23,044,532	-$9,612,623	-29%	17 Feb 2026
VERV	Verve Therapeutics, Inc.	Director				25 Jul 2025

Insider Transactions Reported by Ourania Tatsis:

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.