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Onto Innovation Inc SEC Filings

What Onto Innovation Inc has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.

ONTO overview →
Filings on file
143
since Oct 27, 2016
Warning signs
3
latest Jan 22, 2020
Last results
Aug 6, 2026
8-K item 2.02
Industry
Measuring & Controlling Devices, NEC
SIC 3829

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Each label is a form type or an 8-K item as filed; each row links to the filing.

FiledWhat it reportsDocument
Aug 10, 2026
Acquisition or sale completed
8-K
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Nov 17, 2025
Acquisition or sale completedUnregistered share sale
8-K
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Oct 28, 2019
Delisting notice or listing transferExecutive or director changeAcquisition or sale completedChange in control
8-K
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Aug 15, 2019
Merger vote or registration
S-4
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Source: Onto Innovation Inc's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.

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