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 |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 3, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Oct 29, 2026 | Oct 27, 2026 |
| 8-K |
Current report
Other events
|
Sep 10, 2026 | Sep 10, 2026 |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2026 | Jul 30, 2026 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 12, 2026 | Jun 11, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 10-Q | Quarterly report | May 4, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2026 | Apr 30, 2026 |
| ARS | Annual report to shareholders | Apr 30, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 30, 2026 | — |
| DEF 14A | Proxy statement | Apr 30, 2026 | Jun 11, 2026 |
| 10-K | Annual report | Feb 27, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Restatement
|
Feb 27, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
Feb 5, 2026 | Feb 3, 2026 |
| 8-K |
Current report
Other events
|
Dec 12, 2025 | Dec 12, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Nov 21, 2025 | Nov 19, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Other events
|
Sep 11, 2025 | Sep 11, 2025 |
| 10-Q | Quarterly report | Aug 4, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results, Other events
|
Jun 16, 2025 | Jun 12, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2025 | — |
| 10-Q | Quarterly report | May 5, 2025 | Mar 31, 2025 |
| DEFR14A | Form defr14a | May 2, 2025 | — |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Apr 30, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 30, 2025 | — |
| DEF 14A | Proxy statement | Apr 30, 2025 | Jun 12, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 18, 2025 | Jun 12, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 26, 2025 | Mar 26, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 20, 2025 | Mar 20, 2025 |
| 10-K | Annual report | Mar 3, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 6, 2025 | Feb 6, 2025 |
| 8-K |
Current report
Other events
|
Dec 13, 2024 | Dec 13, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 12, 2024 | Nov 11, 2024 |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Officer or director change
|
Oct 22, 2024 | Oct 21, 2024 |
| 8-K |
Current report
Other events
|
Sep 13, 2024 | Sep 13, 2024 |
| 10-Q | Quarterly report | Aug 2, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 1, 2024 | Jul 30, 2024 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 14, 2024 | Jun 13, 2024 |
| DEFA14A | Additional proxy material | Jun 6, 2024 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| 10-Q | Quarterly report | May 3, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 1, 2024 | May 1, 2024 |
| DEFA14A | Additional proxy material | Apr 29, 2024 | — |
| DEF 14A | Proxy statement | Apr 29, 2024 | Jun 13, 2024 |
| ARS | Annual report to shareholders | Apr 29, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Feb 29, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 7, 2024 | Feb 7, 2024 |
| 8-K |
Current report
Other events
|
Dec 15, 2023 | Dec 15, 2023 |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 30, 2023 | Oct 30, 2023 |
| 8-K |
Current report
Other events
|
Sep 15, 2023 | Sep 15, 2023 |
| 10-Q | Quarterly report | Aug 4, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2023 | Jul 31, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Jun 15, 2023 | Jun 15, 2023 |
| DEFA14A | Additional proxy material | Jun 7, 2023 | — |
| DEFA14A | Additional proxy material | Jun 5, 2023 | — |
| DEFA14A | Additional proxy material | May 22, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 12, 2023 | — |
| 10-Q | Quarterly report | May 5, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| ARS | Annual report to shareholders | May 1, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | May 1, 2023 | — |
| DEF 14A | Proxy statement | May 1, 2023 | — |
| 10-K | Annual report | Feb 24, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
Feb 8, 2023 | Feb 7, 2023 |
| 8-K |
Current report
Other events
|
Dec 15, 2022 | Dec 15, 2022 |
| 10-Q | Quarterly report | Nov 9, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Other events
|
Sep 16, 2022 | Sep 15, 2022 |
| 10-Q | Quarterly report | Aug 5, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2022 | Aug 1, 2022 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 21, 2022 | Jun 16, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| 10-Q | Quarterly report | May 10, 2022 | Mar 31, 2022 |
| DEFA14A | Additional proxy material | May 2, 2022 | — |
| DEF 14A | Proxy statement | May 2, 2022 | Jun 16, 2022 |
| 8-K |
Current report
Results of operations
|
May 2, 2022 | May 2, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Apr 28, 2022 | Apr 26, 2022 |
| 10-K | Annual report | Feb 25, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 10, 2022 | Feb 10, 2022 |
| 8-K |
Current report
Other events
|
Dec 15, 2021 | Dec 15, 2021 |
| 10-Q | Quarterly report | Nov 8, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Other events
|
Sep 15, 2021 | Sep 15, 2021 |
| 10-Q | Quarterly report | Aug 9, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2021 | Jul 27, 2021 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 11, 2021 | Jun 10, 2021 |
| DEFA14A | Additional proxy material | Jun 7, 2021 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2021 | — |
| 8-K |
Current report
Officer or director change
|
May 28, 2021 | May 27, 2021 |
| 10-Q | Quarterly report | May 10, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 4, 2021 | May 4, 2021 |
| DEFA14A | Additional proxy material | Apr 30, 2021 | — |
| DEF 14A | Proxy statement | Apr 30, 2021 | Jun 10, 2021 |
| 10-K | Annual report | Mar 1, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 4, 2021 | Feb 4, 2021 |
| 8-K |
Current report
Other events
|
Dec 15, 2020 | Dec 15, 2020 |
| 10-Q | Quarterly report | Nov 6, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Other events
|
Sep 15, 2020 | Sep 15, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 14, 2020 | Sep 14, 2020 |
| S-8 | Employee stock plan registration | Aug 3, 2020 | — |
| 10-Q | Quarterly report | Aug 3, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2020 | Jul 28, 2020 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Jun 12, 2020 | Jun 11, 2020 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2020 | — |
| DEFA14A | Additional proxy material | May 28, 2020 | — |
| 10-Q | Quarterly report | May 11, 2020 | Mar 31, 2020 |
| DEFA14A | Additional proxy material | Apr 29, 2020 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 11, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2020 | Apr 28, 2020 |
| 10-K | Annual report | Feb 28, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 5, 2020 | Feb 5, 2020 |
| 8-K |
Current report
Other events
|
Dec 12, 2019 | Dec 12, 2019 |
Showing 120 filings. 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.