Onto Innovation Inc.
A maker of metrology and inspection systems that help semiconductor factories spot defects on chips as they're being made, using tools like the Dragonfly G3 and JetStep X500. It was born in 2019 from the merger of Rudolph Technologies and Nanometrics, two longtime players in chip measurement. The name is a pun: its instruments are literally placed "onto" wafer-processing machines to measure them mid-production.
Sold 133.7K
Granted 289.2K · Sold 156.0K
Granted 5.1K
Granted 8.0K
Granted 30.4K
Granted 24.3K
Granted 9.0K · Sold 10.0K
Granted 38.9K · Sold 4.4K
Granted 5.1K · Sold 5.3K
Granted 15.8K · Sold 11.5K
Granted 18.9K
Granted 15.5K
Granted 27.0K · Sold 5.1K
Granted 8.0K · Sold 13.3K
Granted 9.5K · Sold 6.1K
Granted 12.6K · Sold 10.8K
Granted 9.0K
Granted 8.0K
Granted 6.4K
Granted 5.2K
Granted 3.7K
Granted 3.5K
Granted 3.1K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Rhine Bruce CDirector · 7 transactions | -31.1% | 299.5Kas of Feb 2022 | — | — | 133.7K |
| Plisinski Michael PChief Executive Officer, Director · 55 transactions | -17.6% | 179.2K | 289.2K | — | 156.0K |
| Tsingos Christine ADirector · 3 transactions | +13.5% | 42.9Kas of May 2024 | 5.1K | — | — |
| Kocher RollinSr VP, Field Operations · 4 transactions | -18.5% | 39.6Kas of Sep 2021 | — | — | — |
| Seams Christopher ADirector · 5 transactions | +26.2% | 38.5K | 8.0K | — | — |
| Dolev IdoEVP, Prod Solutions Grp · 5 transactions | — | 26.5K | 30.4K | — | — |
| Roberts Brian KChief Financial Officer · 2 transactions | — | 24.3K | 24.3K | — | — |
| Roth Steven RSr VP & CFO · 8 transactions | -20% | 23.0Kas of Feb 2022 | 9.0K | — | 10.0K |
| OH Yoon AhSVP, Gen Counsel & Corp Sec · 33 transactions | — | 21.1K | 38.9K | — | 4.4K |
| Berlinghieri LeoDirector · 6 transactions | -21.9% | 20.2Kas of May 2024 | 5.1K | — | 5.3K |
| Vedula SrinivasSVP, Customer Success · 27 transactions | -31% | 18.7Kas of Mar 2025 | 15.8K | — | 11.5K |
| Yaldaei RamilChief Operating Officer · 18 transactions | — | 18.2K | 18.9K | — | — |
| Chen ShirleySVP Customer Success · 2 transactions | — | 15.5K | 15.5K | — | — |
| Slicer MarkChief Financial Officer · 19 transactions | — | 13.6Kas of May 2025 | 27.0K | — | 5.1K |
| Miller David BrianDirector · 9 transactions | -29.5% | 12.7K | 8.0K | — | 13.3K |
| Jin JuSVP & GM, IBU · 12 transactions | +27.4% | 10.3Kas of Jun 2023 | 9.5K | — | 6.1K |
| Fiordalice RobertSVP & GM, Metrology BU · 30 transactions | -36.4% | 8.8Kas of Mar 2024 | 12.6K | — | 10.8K |
| Harlow JamesChief Operating Officer · 5 transactions | — | 8.6Kas of Feb 2023 | 9.0K | — | — |
| Su MayDirector · 5 transactions | — | 8.0K | 8.0K | — | — |
| Kelley Stephen DouglasDirector · 5 transactions | — | 6.4K | 6.4K | — | — |
| Rogge Karen MDirector · 3 transactions | — | 5.2Kas of May 2023 | 5.2K | — | — |
| Lynch Susan DDirector · 3 transactions | — | 3.7K | 3.7K | — | — |
| Schwartz Stephen SDirector · 3 transactions | — | 3.5K | 3.5K | — | — |
| Brooks D MaysonVice President & GM, IBU · 3 transactions | — | 3.0Kas of Sep 2024 | 3.1K | — | — |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over the last 5 years: -356.1K shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.