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VRTX - Vertex Pharmaceuticals Inc / Ma

Insider Sale by Tatsis Ourania (EVP, Chief Reg., Quality Offic)

1 Month
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Trade Summary

2 days ago, Tatsis Ourania, serving as EVP, Chief Reg., Quality Offic at Vertex Pharmaceuticals Inc / Ma (VRTX), sold 260 shares at $486.35 per share, for a total transaction value of $126,451.00. Following this transaction, Tatsis Ourania now holds 46,763 shares of VRTX.

This sale represents a 1.00% decrease in Tatsis Ourania's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Wednesday, February 25, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, February 26, 2026, 1 day after the trade was made.

Vertex Pharmaceuticals Inc / Ma operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Tatsis Ourania

EVP, Chief Reg., Quality Offic

Ourania “Nia” Tatsis, Ph.D. is an accomplished pharmaceutical executive serving as Executive Vice President and Chief Regulatory and Quality Officer at Vertex Pharmaceuticals Incorporated (VRTX), where she has been responsible for managing all aspects of global regulatory affairs and quality assurance since joining the company in 2017.[[1]](https://odysseytx.com/odyssey-therapeutics-appoints-pharmaceutical-leader-nia-tatsis-ph-d-to-its-board-of-directors/)[[5]](https://www.vervetx.com/sites/default/files/2025-07/newsarticle-asset-auto-20240628-8521.pdf)[[6]](https://fortune.com/company-assets/949/quartr/annual-report-10-k-df057-2025-02-13-09-12-04.pdf) In this role, she oversees critical functions supporting Vertex's portfolio of transformative medicines for serious diseases, including cystic fibrosis, sickle cell disease, and others.[[6]](https://fortune.com/company-assets/949/quartr/annual-report-10-k-df057-2025-02-13-09-12-04.pdf) Tatsis is recognized as a corporate insider who has recently traded Vertex stock.[[4]](https://www.gurufocus.com/insider/5602/ourania-tatsis) Prior to Vertex, Tatsis held senior regulatory leadership positions at Sanofi, Stemnion, Pfizer, and Wyeth, accumulating over 20 years of experience in regulatory affairs, quality assurance, clinical development, manufacturing, and commercialization.[[1]](https://odysseytx.com/odyssey-therapeutics-appoints-pharmaceutical-leader-nia-tatsis-ph-d-to-its-board-of-directors/) She holds a B.S. in Biology from Temple University and a Ph.D. in Cell and Molecular Biology from the University of Vermont, followed by a postdoctoral fellowship in immunology at Thomas Jefferson University.[[1]](https://odysseytx.com/odyssey-therapeutics-appoints-pharmaceutical-leader-nia-tatsis-ph-d-to-its-board-of-directors/) Tatsis serves on the boards of Odyssey Therapeutics and Verve Therapeutics, and is a member of the Leadership Council for the International Institute of New England.[[1]](https://odysseytx.com/odyssey-therapeutics-appoints-pharmaceutical-leader-nia-tatsis-ph-d-to-its-board-of-directors/)[[3]](https://au.marketscreener.com/insider/NIA-TATSIS-A2U84O/)[[5]](https://www.vervetx.com/sites/default/files/2025-07/newsarticle-asset-auto-20240628-8521.pdf)

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Trade Price

$486.35

Quantity

260

Total Value

$126,451.00

Shares Owned

46,763

Trade Date

Wednesday, February 25, 2026

2 days ago

SEC Filing Date

Thursday, February 26, 2026

Filed 1 day after trade

HEALTHCAREBIOTECHNOLOGY

About Vertex Pharmaceuticals Inc / Ma

Company Overview

No company information available
View news mentioning VRTX

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