ONTO INNOVATION INC.

For the period ended Jun 30, 2026. Filed Aug 6, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 6, 2026

ONTO$194.04+12.0%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

Exhibit No.	Description
2.1^	Share Purchase Agreement, dated as of April 21, 2026 (Tokyo time), by and between Onto Innovation Inc. and Atom Investments, L.P., incorporated by reference to Exhibit 2.1 to the Company’s Form 8-K filed with the SEC on April 21, 2026 (File No. 001-39110).
3.1	Amended and Restated Certificate of Incorporation of Onto Innovation Inc., dated October 25, 2019, incorporated by reference to Exhibit 3.2 to the Company’s Form 8-K filed with the SEC on October 28, 2019 (File No. 001-39110).
3.2	Amended and Restated Bylaws of Onto Innovation Inc., dated January 22, 2020, incorporated by reference to Exhibit 3.1 to the Company’s Form 8-K filed with the SEC on January 27, 2020 (File No. 001-39110).
4.1	Indenture, dated May 21, 2026, between Onto Innovation Inc. and U.S. Bank Trust Company, National Association, as Trustee, incorporated by reference to Exhibit 4.1 to the Company’s Form 8-K filed with the SEC on May 21, 2026 (File No. 001-39110).
4.2	Form of Global Note representing Onto Innovation Inc.’s 0.00% Convertible Senior Notes due 2031, incorporated by reference to and included within Exhibit 4.1 to the Company’s Form 8-K filed with the SEC on May 21, 2026 (File No. 001-39110).
10.1	Form of Capped Call Confirmation, incorporated by reference to Exhibit 10.1 to the Company’s Form 8-K filed with the SEC on May 21, 2026 (File No. 001-39110).
31.1*	Rule 13a-14(a) Certification of Chief Executive Officer of the Registrant pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Rule 13a-14(a) Certification of Chief Financial Officer of the Registrant pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification of the Chief Executive Officer pursuant to 18 U.S.C Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Certification of the Chief Financial Officer pursuant to 18 U.S.C Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS*	Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH*	Inline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents
104*	Cover Page Interactive Data File (formatted as Inline XBRL and included in Exhibit 101)

^Schedules ommitted pursuant to Item 601(b)(2) of Regulation S-K. The Company agrees to finish supplementally a copy of any ommitted schedule or exhibit to the SEC upon request.

Filed herewith.

** Furnished herewith.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.