Form 4 Tracker
John Richard Stamm

Director · 1 filing · Latest: Jun 10, 2026

Vertex, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
VERX
Stamm John RichardDec 6, 2024
Proposed Sale
$56.113,815$214.1K
VERX
Stamm John RichardNov 22, 2024
Proposed Sale
$53.812,500$134.5K
VERX
Stamm John RichardSep 12, 2024
Proposed Sale
$35.4310,000$354.3K
VERX
Stamm John RichardAug 22, 2024
Proposed Sale
$35.9516,000$575.2K
John Richard Stamm — Insider Trading Activity | LevelFields AI