Form 4 Tracker
Kathleen Flaherty Burke

EVP, GC & Secretary · 4 filings · Latest: May 11, 2026

MKS INC
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MKSI
Kathleen Flaherty BurkeEVP, GC & SecretaryMay 11, 2026
Sale
$319.944,355$1.4M49,439.485
MKSI
Burke Kathleen FlahertyMay 11, 2026
Proposed Sale
$319.944,355$1.4M
MKSI
Kathleen Flaherty BurkeEVP, GC & SecretaryFeb 20, 2026
Sale
$250.004,254$1.1M53,794.485
MKSI
Burke Kathleen FlahertyFeb 20, 2026
Proposed Sale
$250.004,254$1.1M
MKSI
Kathleen Flaherty BurkeEVP, GC & SecretaryFeb 17, 2026
Option Exercise
12,206.13463,366.283