ONTO SEC Filings
SEC filings for ONTO. Annual and quarterly reports, 8-K events, Form 4 insider filings and 13D/G stake disclosures.
| Form | Filed | Accession |
|---|---|---|
| 8-K | Aug 10, 2026 | 0001193125-26-341337EDGAR |
| 8-K | Aug 6, 2026 | 0001193125-26-337990EDGAR |
| 8-K | May 21, 2026 | 0001193125-26-234610EDGAR |
| 8-K | May 20, 2026 | 0001193125-26-232522EDGAR |
| 8-K | May 18, 2026 | 0001193125-26-227915EDGAR |
| 8-K | May 5, 2026 | 0001193125-26-206365EDGAR |
| 8-K | Apr 20, 2026 | 0001193125-26-164529EDGAR |
| 8-K | Apr 16, 2026 | 0001193125-26-158081EDGAR |
| 8-K | Feb 19, 2026 | 0001193125-26-059380EDGAR |
| 8-K | Nov 21, 2025 | 0001193125-25-291346EDGAR |
| 8-K | Nov 17, 2025 | 0001193125-25-283980EDGAR |
| 8-K | Nov 6, 2025 | 0001193125-25-269460EDGAR |
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Source: SEC EDGAR.