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ONON Semiconductor

Technology · Semiconductors · Nasdaq

ON Semiconductor Corporation, together with its wholly and majority-owned subsidiaries, which operate under the onsemiTM brand ("onsemi," "we," "us," "our," or the "Company"), was incorporated under the laws of the State of Delaware in 1992. 10-K, Item 1

ON quote by TradingView
Headquarters
Scottsdale, AZ
Next results
around Feb 8, 2027
Compare with peers → Embed

Timeline

1 yr2 yr3 yr
Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)
All 33 events

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing ON made with the SEC since Aug 19, 2016, newest first, linked to the document on sec.gov. Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results".

All 1001 Annual & quarterly 41Current reports (8-K) 152Insiders 686Proxy & votes 20Big owners (13D/13G) 49Shares & debt offered 6SEC letters 6Other 41
FiledFormWhat it isPeriod
Nov 2, 20268-K Material agreement signed, Regulation FD disclosureNov 2, 2026 all files
Nov 2, 20268-K Quarterly resultsNov 2, 2026 all files
Nov 2, 202610-Q Quarterly reportOct 2, 2026 all files · tables
Oct 7, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Oct 2, 20264 Insider tradeOct 2, 2026 all files
Oct 2, 20264 Insider tradeOct 1, 2026 all files
Oct 2, 2026RW all files
Oct 1, 2026144 Notice of planned insider sale all files
Oct 1, 2026DEFA14A Extra proxy material all files
Oct 1, 20268-K Material agreement signed, Other eventsOct 1, 2026 all files
Sep 16, 2026425 all files
Aug 21, 2026S-4 all files
Aug 13, 2026425 all files
Aug 13, 20268-K Other eventsAug 12, 2026 all files
Aug 12, 2026425 all files
Aug 3, 20268-K Quarterly resultsAug 3, 2026 all files
Aug 3, 202610-Q Quarterly reportJul 3, 2026 all files · tables
Jul 2, 20264 Insider tradeJul 2, 2026 all files
Jun 30, 2026425 all files
Jun 26, 2026425 all files
Jun 26, 2026425 all files
Jun 26, 2026425 all files
Jun 26, 2026425 all files
Jun 26, 2026425 all files
Jun 26, 2026425 all files
Jun 26, 2026425 all files
Jun 26, 2026425 all files
Jun 25, 2026425 all files
Jun 25, 2026425 all files
Jun 25, 20268-K Material agreement signed, Other eventsJun 25, 2026 all files
Jun 10, 2026144 Notice of planned insider sale all files
Jun 3, 2026144 Notice of planned insider sale all files
May 27, 20264 Insider tradeMay 26, 2026 all files
May 22, 20263 New insiderMay 15, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 2026SD Conflict minerals report all files
May 18, 20268-K Director or officer change, Shareholder vote resultsMay 14, 2026 all files
May 15, 2026144 Notice of planned insider sale all files
May 12, 20268-K Material agreement signed, New debt or obligation, Unregistered share sale, Other eventsMay 6, 2026 all files
May 11, 2026144 Notice of planned insider sale all files
May 7, 20268-K Other eventsMay 6, 2026 all files
May 6, 20268-K Other eventsMay 6, 2026 all files
May 4, 20268-K Quarterly resultsMay 4, 2026 all files
May 4, 202610-Q Quarterly reportApr 3, 2026 all files · tables
Apr 30, 2026SCHEDULE 13G 5%+ owner (passive) all files
Apr 29, 2026SCHEDULE 13G 5%+ owner (passive) all files
Apr 27, 20264 Insider tradeApr 23, 2026 all files
Apr 24, 2026144 Notice of planned insider sale all files
Apr 23, 2026144 Notice of planned insider sale all files
Apr 17, 20264 Insider tradeApr 16, 2026 all files
Apr 16, 2026144 Notice of planned insider sale all files
Apr 6, 20264 Insider tradeApr 3, 2026 all files
Apr 2, 2026ARS Annual report to shareholdersDec 31, 2025 all files
Apr 2, 2026DEFA14A Extra proxy material all files
Apr 2, 2026DEF 14A Proxy statementMay 14, 2026 all files
Mar 27, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Mar 16, 20264 Insider tradeMar 13, 2026 all files
Mar 13, 2026144 Notice of planned insider sale all files
Mar 11, 20268-K Director or officer changeMar 9, 2026 all files
Feb 24, 20264 Insider tradeFeb 20, 2026 all files
Feb 24, 20264 Insider tradeFeb 20, 2026 all files
Feb 24, 20264 Insider tradeFeb 20, 2026 all files
Feb 24, 20264 Insider tradeFeb 20, 2026 all files
Feb 18, 20264 Insider tradeFeb 17, 2026 all files
Feb 17, 2026144 Notice of planned insider sale all files
Feb 13, 20264 Insider tradeFeb 12, 2026 all files
Feb 12, 2026144 Notice of planned insider sale all files
Feb 12, 2026144 Notice of planned insider sale all files
Feb 12, 20264 Insider tradeFeb 10, 2026 all files
Feb 12, 20264 Insider tradeFeb 10, 2026 all files
Feb 12, 20264 Insider tradeFeb 10, 2026 all files
Feb 12, 20264 Insider tradeFeb 10, 2026 all files
Feb 9, 20264 Insider tradeFeb 5, 2026 all files
Feb 9, 20264 Insider tradeFeb 5, 2026 all files
Feb 9, 20264 Insider tradeFeb 5, 2026 all files
Feb 9, 20264 Insider tradeFeb 5, 2026 all files
Feb 9, 20268-K Quarterly resultsFeb 9, 2026 all files
Feb 9, 202610-K Annual reportDec 31, 2025 all files · tables
Jan 30, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Dec 19, 20254 Insider tradeDec 19, 2025 all files
Dec 8, 20254 Insider tradeDec 4, 2025 all files
Dec 4, 2025144 Notice of planned insider sale all files
Dec 4, 20254 Insider tradeDec 3, 2025 all files
Dec 3, 2025144 Notice of planned insider sale all files
Nov 17, 20258-K ImpairmentNov 13, 2025 all files
Nov 5, 20258-K Director or officer changeNov 4, 2025 all files
Nov 5, 2025SCHEDULE 13G/A 5%+ owner (passive), amended all files
Nov 3, 20258-K Quarterly resultsNov 3, 2025 all files
Nov 3, 202510-Q Quarterly reportOct 3, 2025 all files · tables
Oct 6, 20254 Insider tradeOct 3, 2025 all files
Sep 23, 20258-K Material agreement signed, Regulation FD disclosureSep 23, 2025 all files
Aug 15, 20254 Insider tradeAug 13, 2025 all files
Aug 13, 2025144 Notice of planned insider sale all files
Aug 6, 2025SCHEDULE 13G/A 5%+ owner (passive), amended all files
Aug 4, 20258-K Quarterly resultsAug 4, 2025 all files

From SEC's filing index (data.sec.gov submissions).

Work on ON in a spreadsheet: Excel workbook (a sheet per section, ten years by column, charts, links to the filings) · CSV. For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/ON/export.csv") into a cell.