MONOLITHIC POWER SYSTEMS INC (MPWR) Risk Factors

Recent key developments

Concrete developments — dated events, named agreements and instruments, legal proceedings — that MONOLITHIC POWER SYSTEMS INC surfaced in its latest filing.

• In 2025, 92% of total revenue was from customers in Asia.2025
• The U.S. administration imposed additional tariffs in 2025, some of which prompted or could prompt additional retaliatory Chinese tariffs.2025
• Top three distributors accounted for an aggregate of 54%, 61% and 55% of revenue in 2025, 2024 and 2023 respectively.
• In 2024, a foreign subsidiary was granted a ten-year tax incentive starting in 2025, with a deferred tax benefit of $1.1 billion recorded in 2024.2024
• OECD Administrative Guidance released in January 2025 may materially impact the global tax provision if adopted by the jurisdiction that granted the tax incentive.January 2025
• G7 Statement in June 2025 agreed to exclude U.S. Multi-National Entities from certain aspects of the global minimum tax.June 2025
• Restatement of audited consolidated financial statements for fiscal year ended December 31, 2024 due to inappropriate accounting for deferred income taxes related to a one-time tax incentive granted by a certain foreign jurisdiction.December 31, 2024
• Restatement of unaudited condensed consolidated financial statements for quarterly periods ended March 31, 2025, June 30, 2025, and September 30, 2025 due to the same deferred tax error.2025
• Material weakness identified in internal control over financial reporting related to accounting for deferred income taxes; internal control over financial reporting was not effective as of December 31, 2024 and December 31, 2025.December 31, 2025
• Board approved a $500 million stock repurchase program in February 2025, expiring in February 2028.February 2025