Onto Innovation Inc (ONTO) insider trading
Every open-market stock purchase and sale by Onto Innovation Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- David Brian Miller (Director) and 1 other sold $902K in the last 90 days.
- Last insider buy: Ju Jin (Insider), $30K, 6 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $902K (2 sales). Last close $268.01 on Sep 4, 2026.
Recent ONTO insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 29, 2026 | David Brian Miller (Director) | Sold | $600K |
| Sep 2, 2026 | Brian K Roberts (CFO) | Sold (not open market) | $824K |
| Sep 2, 2026 | Brian K Roberts (CFO) | Sold (not open market) | $824K |
| Sep 2, 2026 | Shirley Chen (President) | Sold (not open market) | $386K |
| Aug 21, 2026 | Susan D Lynch (Director) | Sold | $302K |
| May 20, 2026 | Susan D Lynch (Director) | Bought (not open market) | — |
| May 20, 2026 | David Brian Miller (Director) | Bought (not open market) | — |
| May 20, 2026 | May Su (Director) | Bought (not open market) | — |
| May 20, 2026 | Stephen S Schwartz (Director) | Bought (not open market) | — |
| May 20, 2026 | Christopher A Seams (Director) | Bought (not open market) | — |
| May 20, 2026 | Stephen Douglas Kelley (Director) | Bought (not open market) | — |
| May 15, 2026 | Ramil Yaldaei (COO) | Sold (not open market) | $170K |
| May 15, 2026 | Yoon Ah OH (VP) | Sold (not open market) | $144K |
| May 15, 2026 | Ramil Yaldaei (COO) | Sold (not open market) | $59.2K |
| Mar 3, 2026 | Michael P Plisinski (CEO) | Sold (not open market) | $776K |
| Mar 3, 2026 | Ido Dolev (VP) | Sold (not open market) | $170K |
| Mar 3, 2026 | Ramil Yaldaei (COO) | Sold (not open market) | $128K |
| Mar 3, 2026 | Yoon Ah OH (VP) | Sold (not open market) | $86.5K |
| Mar 2, 2026 | Michael P Plisinski (CEO) | Bought (not open market) | — |
| Mar 2, 2026 | Ido Dolev (VP) | Bought (not open market) | — |
| Mar 2, 2026 | Shirley Chen (VP) | Bought (not open market) | — |
| Mar 2, 2026 | Yoon Ah OH (VP) | Bought (not open market) | — |
| Mar 2, 2026 | Brian K Roberts (CFO) | Bought (not open market) | — |
| Mar 2, 2026 | Brian K Roberts (CFO) | Bought (not open market) | — |
| Mar 2, 2026 | Yoon Ah OH (VP) | Bought (not open market) | — |
Who's trading ONTO
- David Brian Miller, Director: sold $600K (1 sale), last Sep 29, 2026
- Shirley Chen, VP: other filings, last Sep 2, 2026
- Brian K Roberts, CFO: other filings, last Sep 2, 2026
- Susan D Lynch, Director: sold $302K (1 sale), last Aug 21, 2026
- Christopher A Seams, Director: other filings, last May 20, 2026
- Stephen S Schwartz, Director: other filings, last May 20, 2026
- May Su, Director: other filings, last May 20, 2026
- Stephen Douglas Kelley, Director: other filings, last May 20, 2026
- Yoon Ah OH, VP: other filings, last May 15, 2026
- Ramil Yaldaei, COO: other filings, last May 15, 2026
- Michael P Plisinski, CEO: other filings, last Mar 3, 2026
- Ido Dolev, VP: other filings, last Mar 3, 2026
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