DESTEFANO DAVID

PrivateCIK: 1818526
Location

KING OF PRUSSIA, PA

DESTEFANO DAVID (President & CEO) exercised options at VERTEX, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderDESTEFANO DAVIDCIK 1818526
IssuerVERTEX, INC.CIK 1806837
DirectorOfficer· President & CEO
Since Jul 2020
-47.11K
Net shares
Net seller
$566.8K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
101.39K acquired · 148.51K disposed
Non-Derivative Transactions2

Class A Common Stock

Direct
M · Option Exercise

Shares

+101.39K

Price / share

Trade value

% of position

8.9%
2/23/2026
1.14M1.25M

Class A Common Stock

Direct
F · Tax Withholding

Shares

47.11K

Price / share

$12.03

Trade value

$566.76K

% of position

3.8%
2/23/2026
1.25M1.20M
Total

Net shares

+54.28K

Net value

-$566.76K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Class A Common Stock

101.39K shares

Shares

101.39K

Strike price

Held after

101.40K

Exercisable

2/23/2026
Non-Derivative Holdings (Post-Transaction)1

Class A Common Stock

Indirect
Shares owned204.03K
Total
204.03K indirect204.03K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
DESTEFANO DAVID — Insider Transaction (Form 4) Filed Feb 25, 2026 | Finecho