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Insider Activity
Institutional Holdings
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Market Pulse
Insider Activity
Institutional Holdings
Sentiment
AI Capex Stress
About
← Companies
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Table
ONTO
ONTO INNOVATION INC.
SEC EDGAR ↗
Insider Activity Table
Total Insiders
13
Total Shares Held
358K
Latest Quarter Net
+0
Insider positions and quarterly net share changes
Insider · 13 positions
Net Shares per Quarter (+ Bought / − Sold)
Name
Role
Shares Held ↑
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Q4 2023
Q3 2023
Q2 2023
Q1 2023
Q4 2022
Q3 2022
Mark Slicer
Chief Financial Officer
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Stephen S Schwartz
—
4K
+761
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Susan D Lynch
—
4K
+761
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Stephen Douglas Kelley
—
6K
+761
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
May Su
—
8K
+761
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
David Brian Miller
—
13K
+761
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Shirley Chen
SVP Customer Success
16K
—
+4K
—
+13K
—
—
—
—
—
—
—
—
—
—
—
—
Ramil Yaldaei
Chief Operating Officer
18K
-843
+8K
-594
—
—
—
—
—
—
—
—
—
—
—
—
—
Yoon Ah Oh
SVP, Gen Counsel & Corp Sec
21K
-530
+2K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Brian K Roberts
Chief Financial Officer
24K
—
+5K
—
+21K
—
—
—
—
—
—
—
—
—
—
—
—
Ido Dolev
EVP, Prod Solutions Grp
27K
—
+4K
-3K
—
—
—
—
—
—
—
—
—
—
—
—
—
Christopher A Seams
—
39K
+761
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Plisinski Michael P
Chief Executive Officer
179K
—
+7K
-25K
—
—
—
—
—
—
—
—
—
—
—
—
—
13 insiders · 16 quarters shown