Form 4 Tracker
Michael P Plisinski

Director, Chief Executive Officer · 3 filings · Latest: Mar 2, 2026

ONTO INNOVATION INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
ONTO
Michael P PlisinskiDirector, Chief Executive OfficerMar 1, 2026
Option Exercise
$0.004,597—172,652
ONTO
Michael P PlisinskiDirector, Chief Executive OfficerFeb 14, 2026
Option Exercise
$0.0018,445—180,606
ONTO
Plisinski Michael P—Jan 21, 2025
Proposed Sale
$219.1935,000$7.7M—
ONTO
Plisinski Michael P—Jan 16, 2025
Proposed Sale
$211.2430,000$6.3M—
ONTO
Plisinski Michael P—Jan 14, 2025
Proposed Sale
$200.2020,000$4.0M—