Monolithic Power Systems INC (MPWR) — SEC Filings

Overview

Monolithic Power Systems INC (MPWR) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 8-K filed on Dec 12, 2025: Monolithic Power Systems, Inc. filed an 8-K on December 12, 2025, reporting "Other Events" and "Financial Statements and Exhibits." The filing does not contain specific details about new events, financial figures, or acquisitions, but rather serves as a procedural update.

Sentiment Summary

Across 35 filings, the sentiment breakdown is: 3 bullish, 32 neutral. The dominant filing sentiment for Monolithic Power Systems INC is neutral.

Filing Type Overview

Monolithic Power Systems INC (MPWR) has filed 19 8-K, 6 10-Q, 2 DEF 14A, 2 10-K, 3 SC 13G/A, 1 DEFA14A, 2 SC 13G with the SEC between Jan 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent Filings (35)

• Monolithic Power Systems Files 8-K — 8-K · Dec 12, 2025 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on December 12, 2025, reporting "Other Events" and "Financial Statements and Exhibits." The filing does not contain
• Monolithic Power Systems Files 8-K — 8-K · Nov 21, 2025 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on November 21, 2025, reporting events that occurred on November 19, 2025. The filing indicates amendments to its Ar
• Monolithic Power Systems Posts Strong Q3 Growth, Net Income Up 23% — 10-Q · Nov 5, 2025 Risk: low
  Monolithic Power Systems Inc. (MPWR) reported robust financial performance for the three and nine months ended September 30, 2025. Revenue for the three months
• Monolithic Power Systems Files 8-K on Financials — 8-K · Oct 30, 2025 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on October 30, 2025, reporting on its results of operations and financial condition, and including financial stateme
• Monolithic Power Systems Files 8-K — 8-K · Sep 11, 2025 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on September 11, 2025, reporting other events and financial statements. The filing does not detail specific transact
• MPWR's Q2 Net Income Soars to $150K, EPS Jumps to $3.12 — 10-Q · Aug 4, 2025 Risk: low
  Monolithic Power Systems Inc. (MPWR) reported a net income of $150,000 for the three months ended June 30, 2025, a significant increase from $50 for the same pe
• Monolithic Power Systems Files 8-K on Financials — 8-K · Jul 31, 2025 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on July 31, 2025, reporting on its results of operations and financial condition. The filing includes financial stat
• Monolithic Power Systems Files 8-K — 8-K · Jun 16, 2025 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on June 16, 2025, reporting events that occurred on June 12, 2025. The filing indicates changes to its Articles of I
• Monolithic Power Systems Q1 2025: Assets $47.87M, Liabilities $47.82M — 10-Q · May 5, 2025 Risk: low
  Monolithic Power Systems Inc. reported its first quarter 2025 results ending March 31, 2025. The company's financial statements show total assets of $47,877,000
• Monolithic Power Systems Files 8-K — 8-K · May 1, 2025 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on May 1, 2025, reporting on its results of operations and financial condition. The filing includes financial statem
• Monolithic Power Systems: Executive Pay Details Revealed — DEF 14A · Apr 30, 2025 Risk: low
  Monolithic Power Systems Inc. filed its DEF 14A on April 30, 2025, detailing executive compensation for the fiscal year ending December 31, 2024. The filing inc
• Monolithic Power Systems Files 8-K — 8-K · Mar 26, 2025 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on March 26, 2025, to report amendments to its articles of incorporation or bylaws and to file financial statements
• Monolithic Power Systems Files 8-K — 8-K · Mar 20, 2025 Risk: low
  On March 20, 2025, Monolithic Power Systems, Inc. filed an 8-K report. The filing primarily concerns financial statements and exhibits, indicating a routine upd
• Monolithic Power Systems Files 2024 10-K — 10-K · Mar 3, 2025 Risk: low
  Monolithic Power Systems Inc. reported its 2024 fiscal year results, filing its 10-K on March 3, 2025. The company, based in Kirkland, WA, operates in the semic
• Monolithic Power Systems Files 8-K — 8-K · Feb 6, 2025 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on February 6, 2025, reporting on results of operations, other events, and financial statements. The filing details
• Monolithic Power Systems Files 8-K — 8-K · Dec 13, 2024 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on December 13, 2024, to report other events and financial statements. The filing does not contain specific financia
• Monolithic Power Systems Files 8-K — 8-K · Nov 12, 2024 Risk: medium
  Monolithic Power Systems, Inc. (MPWR) filed an 8-K on November 12, 2024, reporting an event on November 11, 2024. The filing is a current report pursuant to Sec
• SC 13G/A Filing — SC 13G/A · Nov 12, 2024
• Monolithic Power Systems Q3 2024: $60M Prepaid Wafer Deals — 10-Q · Nov 6, 2024 Risk: low
  Monolithic Power Systems Inc. reported its Q3 2024 results, ending September 30, 2024. The company had $60 million in prepaid wafer purchases as of the reportin
• Monolithic Power Systems Files 8-K on Financials — 8-K · Oct 30, 2024 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on October 30, 2024, reporting on its results of operations and financial condition, and filing financial statements
• Monolithic Power Systems Elects New Directors, Sees Director Departure — 8-K · Oct 22, 2024 Risk: low
  Monolithic Power Systems, Inc. announced on October 21, 2024, the departure of Director Michael R. Ruzicka. The company also elected two new directors, Michael
• Monolithic Power Systems Files 8-K — 8-K · Sep 13, 2024 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on September 13, 2024, to report other events and financial statements and exhibits. The filing does not contain spe
• Monolithic Power Systems Q2 2024: Assets $48.7B, Liab. $48.0B — 10-Q · Aug 2, 2024 Risk: low
  Monolithic Power Systems Inc. reported its Q2 2024 results, ending June 30, 2024. The company's financial statements show total assets of $48,698 and total liab
• Monolithic Power Systems Files 8-K on Financials — 8-K · Aug 1, 2024 Risk: low
  Monolithic Power Systems, Inc. (MPWR) filed an 8-K on July 30, 2024, reporting on its results of operations and financial condition, along with other events and
• Monolithic Power Systems Files 8-K — 8-K · Jun 14, 2024 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on June 14, 2024, reporting on matters submitted to a vote of security holders and other events. The filing includes
• Monolithic Power Systems Files Additional Proxy Materials — DEFA14A · Jun 6, 2024 Risk: low
  Monolithic Power Systems, Inc. (MPWR) filed a Definitive Additional Materials (DEFA14A) on June 6, 2024, related to its proxy statement for the annual meeting.
• Monolithic Power Systems Inc. Files 10-Q for Period Ending March 31, 2024 — 10-Q · May 3, 2024 Risk: medium
  MONOLITHIC POWER SYSTEMS INC (MPWR) filed a Quarterly Report (10-Q) with the SEC on May 3, 2024. Monolithic Power Systems Inc. reported financial results for th
• Monolithic Power Systems Files 8-K — 8-K · May 1, 2024 Risk: low
  Monolithic Power Systems, Inc. filed an 8-K on May 1, 2024, reporting on its results of operations and financial condition, as well as financial statements and
• Monolithic Power Systems Files DEF 14A for Annual Meeting — DEF 14A · Apr 29, 2024 Risk: low
  MONOLITHIC POWER SYSTEMS INC (MPWR) filed a Proxy Statement (DEF 14A) with the SEC on April 29, 2024. Monolithic Power Systems, Inc. (MPWR) filed a DEF 14A with
• Monolithic Power Systems Inc. Files 2023 Annual Report on Form 10-K — 10-K · Feb 29, 2024 Risk: low
  MONOLITHIC POWER SYSTEMS INC (MPWR) filed a Annual Report (10-K) with the SEC on February 29, 2024. Monolithic Power Systems Inc. reported its fiscal year 2023
• SC 13G Filing — SC 13G · Feb 14, 2024
• SC 13G/A Filing — SC 13G/A · Feb 13, 2024
• FMR LLC Discloses 5.276% Passive Stake in Monolithic Power Systems — SC 13G · Feb 9, 2024 Risk: low
  FMR LLC, a major investment management firm, and its principal owner, Abigail P. Johnson, have disclosed a 5.276% beneficial ownership stake in Monolithic Power
• MPWR Files 8-K on Financial Results & Operations — 8-K · Feb 7, 2024
  Monolithic Power Systems, Inc. (MPWR) filed an 8-K on February 7, 2024, to report its results of operations and financial condition, along with other events and
• BlackRock Amends MPS Stake, Maintains Significant Position — SC 13G/A · Jan 24, 2024
  BlackRock Inc. filed an amended SC 13G/A on January 24, 2024, disclosing its ownership of Monolithic Power Systems Inc. (MPS) common stock as of December 31, 20

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