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MPWRMonolithic Power Systems

Technology · Semiconductors · Nasdaq

Monolithic Power Systems, Inc. is a fabless global company that provides high-performance, semiconductor-based power electronics solutions. 10-K, Item 1

MPWR quote by TradingView
Employees
4,501
Headquarters
West Palm Beach, FL
CEO
Michael Hsing
Next results
around Feb 4, 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 27 events

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

Every filing MPWR made with the SEC since Nov 15, 2019, newest first, linked to the document on sec.gov. Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results".

All 1005 Annual & quarterly 28Current reports (8-K) 58Insiders 858Proxy & votes 21Big owners (13D/13G) 27Shares & debt offered 1Other 12
FiledFormWhat it isPeriod
Nov 5, 20264 Insider tradeNov 3, 2026 all files
Nov 5, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Nov 3, 202610-Q Quarterly reportSep 30, 2026 all files · tables
Oct 29, 20268-K Quarterly results, Director or officer changeOct 27, 2026 all files
Oct 29, 20263 New insiderOct 27, 2026 all files
Sep 30, 20264 Insider tradeSep 28, 2026 all files
Sep 28, 2026144 Notice of planned insider sale all files
Sep 10, 20268-K Other eventsSep 10, 2026 all files
Sep 2, 20264 Insider tradeAug 31, 2026 all files
Aug 26, 20264 Insider tradeAug 24, 2026 all files
Aug 25, 20264 Insider tradeAug 24, 2026 all files
Aug 24, 2026144 Notice of planned insider sale all files
Aug 19, 20264 Insider tradeAug 17, 2026 all files
Aug 17, 2026144 Notice of planned insider sale all files
Aug 13, 20264 Insider tradeAug 11, 2026 all files
Aug 11, 2026144 Notice of planned insider sale all files
Aug 6, 20264 Insider tradeAug 4, 2026 all files
Aug 6, 20264 Insider tradeAug 5, 2026 all files
Aug 5, 2026144 Notice of planned insider sale all files
Aug 5, 202610-Q Quarterly reportJun 30, 2026 all files · tables
Aug 5, 20264 Insider tradeAug 3, 2026 all files
Jul 30, 20268-K Quarterly resultsJul 30, 2026 all files
Jul 28, 20264 Insider tradeJul 25, 2026 all files
Jul 17, 20264 Insider tradeJul 15, 2026 all files
Jul 15, 2026144 Notice of planned insider sale all files
Jul 15, 2026SCHEDULE 13G 5%+ owner (passive) all files
Jul 8, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Jul 6, 20264 Insider tradeJul 1, 2026 all files
Jun 12, 20268-K Shareholder vote results, Other eventsJun 11, 2026 all files
Jun 3, 20264 Insider tradeJun 1, 2026 all files
Jun 2, 20264 Insider tradeMay 29, 2026 all files
Jun 1, 2026144 Notice of planned insider sale all files
May 29, 2026SD Conflict minerals report all files
May 29, 20264 Insider tradeMay 27, 2026 all files
May 28, 2026144 Notice of planned insider sale all files
May 28, 20264 Insider tradeMay 26, 2026 all files
May 27, 20264 Insider tradeMay 26, 2026 all files
May 27, 20264 Insider tradeMay 22, 2026 all files
May 26, 2026144 Notice of planned insider sale all files
May 26, 2026144 Notice of planned insider sale all files
May 22, 2026144 Notice of planned insider sale all files
May 20, 20264 Insider tradeMay 18, 2026 all files
May 20, 20264 Insider tradeMay 18, 2026 all files
May 19, 20264 Insider tradeMay 15, 2026 all files
May 18, 2026144 Notice of planned insider sale all files
May 18, 2026144 Notice of planned insider sale all files
May 15, 2026144 Notice of planned insider sale all files
May 15, 20264 Insider tradeMay 13, 2026 all files
May 15, 20264 Insider tradeMay 13, 2026 all files
May 8, 20264 Insider tradeMay 6, 2026 all files
May 8, 20264 Insider tradeMay 6, 2026 all files
May 8, 20264 Insider tradeMay 6, 2026 all files
May 6, 2026144 Notice of planned insider sale all files
May 6, 2026144 Notice of planned insider sale all files
May 6, 2026144 Notice of planned insider sale all files
May 6, 2026144 Notice of planned insider sale all files
May 6, 20264 Insider tradeMay 5, 2026 all files
May 6, 20264 Insider tradeMay 5, 2026 all files
May 6, 20264 Insider tradeMay 4, 2026 all files
May 5, 2026144 Notice of planned insider sale all files
May 5, 2026144 Notice of planned insider sale all files
May 4, 202610-Q Quarterly reportMar 31, 2026 all files · tables
May 1, 2026144 Notice of planned insider sale all files
Apr 30, 2026SCHEDULE 13G 5%+ owner (passive) all files
Apr 30, 20268-K Quarterly resultsApr 30, 2026 all files
Apr 30, 2026ARS Annual report to shareholdersDec 31, 2025 all files
Apr 30, 2026DEFA14A Extra proxy material all files
Apr 30, 2026DEF 14A Proxy statementJun 11, 2026 all files
Apr 29, 2026SCHEDULE 13G 5%+ owner (passive) all files
Apr 10, 20264 Insider tradeApr 8, 2026 all files
Apr 8, 2026144 Notice of planned insider sale all files
Apr 8, 20264 Insider tradeApr 6, 2026 all files
Apr 6, 2026144 Notice of planned insider sale all files
Apr 3, 20264 Insider tradeApr 1, 2026 all files
Apr 3, 20264 Insider tradeApr 1, 2026 all files
Apr 1, 2026144 Notice of planned insider sale all files
Apr 1, 2026144 Notice of planned insider sale all files
Apr 1, 20264 Insider tradeMar 30, 2026 all files
Mar 30, 2026144 Notice of planned insider sale all files
Mar 27, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Mar 24, 20264 Insider tradeMar 20, 2026 all files
Mar 20, 2026144 Notice of planned insider sale all files
Mar 9, 20263 New insiderFeb 27, 2026 all files
Mar 2, 2026144 Notice of planned insider sale all files
Feb 27, 202610-K Annual reportDec 31, 2025 all files · tables
Feb 27, 20268-K Earlier financial statements no longer reliableFeb 26, 2026 all files
Feb 17, 20264 Insider tradeFeb 12, 2026 all files
Feb 13, 20264 Insider tradeFeb 11, 2026 all files
Feb 12, 2026144 Notice of planned insider sale all files
Feb 12, 20264 Insider tradeFeb 11, 2026 all files
Feb 12, 20264 Insider tradeFeb 10, 2026 all files
Feb 11, 2026144 Notice of planned insider sale all files
Feb 11, 20264 Insider tradeFeb 9, 2026 all files
Feb 10, 2026144 Notice of planned insider sale all files
Feb 10, 2026144 Notice of planned insider sale all files
Feb 10, 20264 Insider tradeFeb 6, 2026 all files
Feb 10, 20264 Insider tradeFeb 6, 2026 all files
Feb 10, 20264 Insider tradeFeb 6, 2026 all files
Feb 10, 20264 Insider tradeFeb 6, 2026 all files
Feb 10, 20264 Insider tradeFeb 6, 2026 all files

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

Work on MPWR 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/MPWR/export.csv") into a cell.