ONTO - CIK 0000704532
ONTO INNOVATION INC. has filed 1,844 documents with the SEC between 1995 and 2026. The most frequent type is insider trade (950 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Major company event | 8-K | 2026-05-21 | 2026-05-18 |
| Major company event | 8-K | 2026-05-20 | 2026-05-20 |
| Insider trade | 4 | 2026-05-18 | 2026-05-15 |
| Insider trade | 4 | 2026-05-18 | 2026-05-15 |
| Major company event | 8-K | 2026-05-18 | 2026-05-18 |
| Quarterly report | 10-Q | 2026-05-05 | 2026-03-31 |
| Major company event | 8-K | 2026-05-05 | 2026-05-05 |
| SCHEDULE 13G | - | 2026-04-29 | - |
| SCHEDULE 13G | - | 2026-04-29 | - |
| Major company event | 8-K | 2026-04-21 | 2026-04-20 |
| Major company event | 8-K | 2026-04-16 | 2026-04-16 |
| Annual report to shareholders | ARS | 2026-04-06 | 2026-01-03 |
| Proxy materials | DEFA14A | 2026-04-06 | - |
| Proxy statement | DEF 14A | 2026-04-06 | 2026-04-06 |
| SCHEDULE 13G/A | - | 2026-03-27 | - |
| Insider trade | 4 | 2026-03-04 | 2026-03-02 |
| Insider trade | 4 | 2026-03-04 | 2026-03-02 |
| Insider trade | 4 | 2026-03-04 | 2026-03-02 |
| Insider trade | 4 | 2026-03-04 | 2026-03-02 |
| Insider trade | 4 | 2026-03-04 | 2026-03-02 |
| Insider trade | 4 | 2026-03-04 | 2026-03-02 |
| Insider trade | 4 | 2026-03-03 | 2026-03-01 |
| Insider trade | 4 | 2026-03-03 | 2026-03-01 |
| Insider trade | 4 | 2026-03-03 | 2026-03-01 |
| Annual report | 10-K | 2026-02-24 | 2026-01-03 |
| Major company event | 8-K | 2026-02-19 | 2026-02-19 |
| Insider trade | 4 | 2026-02-18 | 2026-02-14 |
| Insider trade | 4 | 2026-02-18 | 2026-02-14 |
| Insider trade | 4 | 2025-12-29 | 2025-12-24 |
| Insider trade | 4 | 2025-12-04 | 2025-12-02 |
| S-3ASR | - | 2025-11-26 | - |
| RW | - | 2025-11-26 | - |
| Employee stock plan | S-8 | 2025-11-21 | - |
| Major company event | 8-K | 2025-11-21 | 2025-11-19 |
| Securities registration | S-3 | 2025-11-21 | - |
| Major company event | 8-K | 2025-11-17 | 2025-11-17 |
| Quarterly report | 10-Q | 2025-11-06 | 2025-09-27 |
| Major company event | 8-K | 2025-11-06 | 2025-11-06 |
| SCHEDULE 13G/A | - | 2025-10-17 | - |
| Major company event | 8-K | 2025-10-10 | 2025-10-09 |
| Insider trade | 4 | 2025-10-06 | 2025-10-03 |
| Insider trade | 4 | 2025-09-03 | 2025-09-02 |
| Insider trade | 4 | 2025-09-03 | 2025-09-02 |
| Quarterly report | 10-Q | 2025-08-07 | 2025-06-28 |