Form 4 Tracker
Nishan J. Vartanian

Director; Director, Other · 5 filings · Latest: May 13, 2026

Koppers Holdings Inc.
MSA Safety Inc
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
KOP
Nishan J. VartanianDirectorMay 7, 2026
Option Exercise
$0.00507,384
MSA
NISHAN J VARTANIANMay 13, 2025
Proposed Sale
$161.3230,000$4.8M