TATSIS OURANIA

PrivateCIK: 1789815
Location

BOSTON, MA

TATSIS OURANIA (SVP, CRO) sold 3.1% of their position (1.50K shares) of VERTEX PHARMACEUTICALS INC / MA on the open market

Open‑market sale worth $750.0K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderTATSIS OURANIACIK 1789815
Officer· SVP, CRO
Since Oct 2019
-5.30K
Net shares
Net seller
$2.61M
Total sold
1
Open market trades
0B · 1S
2
Total transactions
5.30K disposed
Non-Derivative Transactions2

Common Stock

Direct
F · Tax Withholding

Shares

3.80K

Price / share

$487.76

Trade value

$1.86M

% of position

7.4%
2/13/2026
51.44K47.63K

Common Stock

Direct
S · Sale

Shares

1.50K

Price / share

$499.99

Trade value

$749.99K

% of position

3.1%
2/13/2026
47.63K46.13K
Total

Net shares

5.30K

Net value

-$2.61M

Derivative Transactions0
No derivative transactions reported
TATSIS OURANIA — Insider Transaction (Form 4) Filed Feb 18, 2026 | Finecho