Onto Innovation Inc. SEC filings ONTO

Onto Innovation Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Jan 9, 2014. Its latest annual report, Form ARS, was filed on Apr 6, 2026 for the period ended Jan 3, 2026. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 10, 2026 (acquisition or sale of assets, regulation fd disclosure). The company's fiscal year ends on December 26.

Form Description Filed Period
S-3ASR Automatic shelf registration Nov 26, 2025 —
S-8 Employee stock plan registration Nov 21, 2025 —
S-3 Shelf registration Nov 21, 2025 —
S-8 POS Filing Aug 6, 2020 —
S-8 Employee stock plan registration May 19, 2020 —
S-8 Employee stock plan registration Nov 8, 2019 —
424B3 Prospectus Sep 10, 2019 —
S-4/A Amendment no. 1 to form s-4 Sep 6, 2019 —
S-4 Registration for a merger or exchange Aug 15, 2019 —
S-8 Employee stock plan registration Aug 23, 2017 —
S-8 Employee stock plan registration Aug 24, 2016 —

Showing 11 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

Company profile

Industry
Measuring & Controlling Devices, NEC (SIC 3829)
Listed as
ONTO (NYSE)
Fiscal year ends
December 26
Incorporated in
DE
Headquarters
Wilmington, MA
SEC filer status
Large accelerated filer
SEC CIK
704532
Former names
NANOMETRICS INC (until Oct 25, 2019)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.