8-K - ONTO INNOVATION INC. - 1.01 / 7.01 / 8.01 / 9.01

Form 8-K - Current report: SEC Accession No. 0001193125-26-164529

Filing Date: 2026-04-21

Accepted: 2026-04-20 19:23:53

Documents: 14

Period of Report: 2026-04-20

Items: Item 1.01: Entry into a Material Definitive Agreement Item 7.01: Regulation FD Disclosure Item 8.01: Other Events Item 9.01: Financial Statements and Exhibits

ONTO INNOVATION INC. (Filer) CIK : 0000704532 (see all company filings) EIN. : 942276314 | State of Incorp.: DE | Fiscal Year End: 1226 Type: 8-K | Act: 34 | File No.: 001-39110 | Film No.: 26876427 SIC : 3829 Measuring & Controlling Devices, NEC (CF Office: 08 Industrial Applications and Services)

1 | 8-K | d75499d8k.htm iXBRL | 8-K

2 | EX-2.1 | d75499dex21.htm | EX-2.1

3 | EX-99.1 | d75499dex991.htm | EX-99.1

7 | GRAPHIC | g75499g0420033821050.jpg | GRAPHIC