Monolithic Power Systems, Inc. SEC filings MPWR
Monolithic Power Systems, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Dec 3, 2019. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations, officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Aug 3, 2020 | — |
Showing 1 filing. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- MPWR (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- West Palm Beach, FL
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1280452
- Former names
- MONOLITHIC POWER SYSTEMS INC (until Jul 15, 2026)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.