ON Semiconductor CorporationSEC Filings
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All SEC filings by ON Semiconductor Corporation (ON) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.
Financials
| 10-Q | Quarterly report | View Diff | Aug 3, 2026 | |
| 10-Q | Quarterly report | View Diff | May 4, 2026 | |
| ARS | Annual report to shareholders | Apr 2, 2026 | ||
| 10-K | Annual report | View Diff | Feb 9, 2026 | |
| 10-Q | Quarterly report | View Diff | Nov 3, 2025 | |
| 10-Q | Quarterly report | View Diff | Aug 4, 2025 | |
| 10-Q | Quarterly report | View Diff | May 5, 2025 | |
| ARS | Annual report to shareholders | Apr 3, 2025 | ||
| 10-K | Annual report | View Diff | Feb 10, 2025 | |
| 10-Q | Quarterly report | View Diff | Oct 28, 2024 |
Events
| 8-K | Current report | Aug 13, 2026 | ||
| 8-K | Earnings Per Share Increases Four Times Faster Than Revenue Year-Over-Year | Aug 3, 2026 | ||
| 8-K | Current report | Jun 25, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | May 18, 2026 | ||
| 8-K | Entry Into a Material Definitive Agreement | May 11, 2026 | ||
| 8-K | Other Events | May 7, 2026 | ||
| 8-K | Other Events | May 6, 2026 | ||
| 8-K | Year-Over-Year Operating Income Growth Outpaces Revenue Growth by 2x | May 4, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Mar 11, 2026 | ||
| 8-K | Results of Operations and Financial Condition | Feb 9, 2026 |
Registrations and Prospectuses
| S-4 | Registration of securities issued in business combination transactions | Aug 21, 2026 | ||
| 425 | Business combination disclosure | Aug 13, 2026 | ||
| 425 | Business combination disclosure | Aug 11, 2026 | ||
| 425 | Business combination disclosure | Jun 29, 2026 | ||
| 425 | Business combination disclosure | Jun 26, 2026 | ||
| 425 | Business combination disclosure | Jun 26, 2026 | ||
| 425 | Business combination disclosure | Jun 26, 2026 | ||
| 425 | Business combination disclosure | Jun 26, 2026 | ||
| 425 | Business combination disclosure | Jun 26, 2026 | ||
| 425 | Business combination disclosure | Jun 26, 2026 |
Proxies
| DEFA14A | Additional proxy soliciting materials | Apr 2, 2026 | ||
| DEF 14A | Definitive proxy | View Diff | Apr 2, 2026 | |
| DEFA14A | Additional proxy soliciting materials | Apr 3, 2025 | ||
| DEF 14A | Definitive proxy | View Diff | Apr 3, 2025 | |
| DEFA14A | Additional proxy soliciting materials | Apr 4, 2024 | ||
| DEF 14A | Definitive proxy | View Diff | Apr 4, 2024 | |
| DEFA14A | Additional proxy soliciting materials | Apr 6, 2023 | ||
| DEF 14A | Definitive proxy | View Diff | Apr 6, 2023 | |
| DEFA14A | Additional proxy soliciting materials | Apr 6, 2022 | ||
| DEF 14A | Definitive proxy | View Diff | Apr 6, 2022 |
Other
| SD | Conflict minerals disclosure | May 18, 2026 | ||
| SD | Conflict minerals disclosure | May 20, 2025 | ||
| SD | Conflict minerals disclosure | May 23, 2024 | ||
| UPLOAD | Letter from SEC | Sep 14, 2023 | ||
| CORRESP | Correspondence with SEC | Sep 11, 2023 | ||
| UPLOAD | Letter from SEC | Aug 24, 2023 | ||
| SD | Conflict minerals disclosure | May 22, 2023 | ||
| SD | Conflict minerals disclosure | May 27, 2022 | ||
| SD | Conflict minerals disclosure | May 21, 2021 | ||
| SD | Conflict minerals disclosure | May 22, 2020 |
Ownership
| 4 | Mascarenas Paul Anthony | Jul 2, 2026 | ||
| 144 | Notice of proposed sale of securities | Jun 10, 2026 | ||
| 144 | Notice of proposed sale of securities | Jun 3, 2026 | ||
| 4 | Sudhir Gopalswamy | May 27, 2026 | ||
| 3 | Achyut Shah | May 22, 2026 | ||
| 4 | Thomas Deitrich | May 18, 2026 | ||
| 4 | Gregory L Waters | May 18, 2026 | ||
| 4 | Susan K Carter | May 18, 2026 | ||
| 4 | Christine Y Yan | May 18, 2026 | ||
| 4 | Bruce E Kiddoo | May 18, 2026 |