Recent Insider Transactions • Aug 20
Lead Independent Director recently sold US$71k worth of stock On the 11th of August, Kuo Wei Chang sold around 50.0 shares on-market at roughly US$1,420 per share. This transaction amounted to 12% of their direct individual holding at the time of the trade. In the last 3 months, there was an even bigger sale from another insider worth US$13m. Insiders have been net sellers, collectively disposing of US$473m more than they bought in the last 12 months. Recent Insider Transactions • Aug 15
Lead Independent Director recently sold US$71k worth of stock On the 11th of August, Kuo Wei Chang sold around 50.0 shares on-market at roughly US$1,420 per share. This transaction amounted to 12% of their direct individual holding at the time of the trade. In the last 3 months, there was an even bigger sale from another insider worth US$59m. Insiders have been net sellers, collectively disposing of US$473m more than they bought in the last 12 months. Board Change • Aug 13
Insufficient new directors No new directors have joined the board in the last 3 years. The company's board is composed of: No new directors. 2 experienced directors. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Announcement • Jul 31
Monolithic Power Systems, Inc. Provides Earnings Guidance for the Third Quarter Ending September 30, 2026 Monolithic Power Systems, Inc. provided earnings guidance for the third quarter ending September 30, 2026. For the third quarter of 2026 ending September 30, the company are forecasting: Revenue in the range of $1,140 million to $1,160 million. Board Change • Jul 15
Insufficient new directors No new directors have joined the board in the last 3 years. The company's board is composed of: No new directors. 2 experienced directors. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Announcement • Jul 15
Monolithic Power Systems, Inc. to Report Q2, 2026 Results on Jul 30, 2026 Monolithic Power Systems, Inc. announced that they will report Q2, 2026 results After-Market on Jul 30, 2026 Board Change • Jun 29
Insufficient new directors No new directors have joined the board in the last 3 years. The company's board is composed of: No new directors. 2 experienced directors. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Declared Dividend • Jun 29
First quarter dividend of US$2.00 announced Shareholders will receive a dividend of US$2.00. Ex-date: 30th June 2026 Payment date: 15th July 2026 Dividend yield will be 0.5%, which is lower than the industry average of 1.2%. Payout Ratios Payout ratio: 48%. Cash payout ratio: 63%. Announcement • Jun 13
Monolithic Power Systems, Inc. Announces Dividend for Second Quarter of 2026, Payable on July 15, 2026 On June 12, 2026, Monolithic Power Systems, Inc. announced the second quarter cash dividend of $2.00 per share to all stockholders of record as of the close of business on June 30, 2026. The dividend will be paid to stockholders on July 15, 2026. Board Change • Jun 04
Insufficient new directors No new directors have joined the board in the last 3 years. The company's board is composed of: No new directors. 2 experienced directors. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Recent Insider Transactions • May 11
Key Executive recently sold US$50m worth of stock On the 6th of May, Deming Xiao sold around 30k shares on-market at roughly US$1,655 per share. This transaction amounted to 12% of their direct individual holding at the time of the trade. This was the largest sale by an insider in the last 3 months. Deming has been a net seller over the last 12 months, reducing personal holdings by US$108m. Announcement • May 04
Monolithic Power Systems, Inc., Annual General Meeting, Jun 11, 2026 Monolithic Power Systems, Inc., Annual General Meeting, Jun 11, 2026. Reported Earnings • May 02
First quarter 2026 earnings released: EPS: US$3.94 (vs US$2.80 in 1Q 2025) First quarter 2026 results: EPS: US$3.94 (up from US$2.80 in 1Q 2025). Revenue: US$804.2m (up 26% from 1Q 2025). Net income: US$193.2m (up 44% from 1Q 2025). Profit margin: 24% (up from 21% in 1Q 2025). The increase in margin was driven by higher revenue. Revenue is forecast to grow 17% p.a. on average during the next 3 years, compared to a 13% growth forecast for the Semiconductor industry in Europe. Announcement • Apr 16
Monolithic Power Systems, Inc. to Report Q1, 2026 Results on Apr 30, 2026 Monolithic Power Systems, Inc. announced that they will report Q1, 2026 results After-Market on Apr 30, 2026 Board Change • Mar 31
Insufficient new directors No new directors have joined the board in the last 3 years. The company's board is composed of: No new directors. 2 experienced directors. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Recent Insider Transactions • Feb 13
Founder recently sold US$64m worth of stock On the 6th of February, Michael Hsing sold around 55k shares on-market at roughly US$1,171 per share. This transaction amounted to 4.6% of their direct individual holding at the time of the trade. This was the largest sale by an insider in the last 3 months. Michael has been a net seller over the last 12 months, reducing personal holdings by US$159m. Declared Dividend • Feb 09
Fourth quarter dividend increased to US$2.00 Dividend of US$2.00 is 28% higher than last year. Ex-date: 31st March 2026 Payment date: 15th April 2026 Dividend yield will be 0.6%, which is lower than the industry average of 1.2%. Payout Ratios Payout ratio: 49%. Cash payout ratio: 54%. Reported Earnings • Feb 07
Full year 2025 earnings released: EPS: US$12.82 (vs US$36.76 in FY 2024) Full year 2025 results: EPS: US$12.82 (down from US$36.76 in FY 2024). Revenue: US$2.79b (up 26% from FY 2024). Net income: US$615.9m (down 66% from FY 2024). Profit margin: 22% (down from 81% in FY 2024). The decrease in margin was driven by higher expenses. Revenue is forecast to grow 16% p.a. on average during the next 3 years, compared to a 12% growth forecast for the Semiconductor industry in Europe. New Risk • Feb 07
New minor risk - Profit margin trend The company's profit margins are lower than last year and have reduced by more than 30%. Net profit margin: 22% Last year net profit margin: 81% This is considered a minor risk. A large drop in profit margin could indicate the company does not have strong competitive advantages or it is yet to establish itself and its core business. Even if it is a well established business, this may make it a much riskier investment than one that has a combination of proven competitive advantages and a stable or growing profit margin. Currently, the following risks have been identified for the company: Major Risk Shares are highly illiquid. Minor Risks Profit margins are more than 30% lower than last year (22% net profit margin). Significant insider selling over the past 3 months (US$145m sold). Announcement • Jan 15
Monolithic Power Systems, Inc. to Report Q4, 2025 Results on Feb 05, 2026 Monolithic Power Systems, Inc. announced that they will report Q4, 2025 results After-Market on Feb 05, 2026 Board Change • Jan 13
Insufficient new directors There is 1 new director who has joined the board in the last 3 years. The company's board is composed of: 1 new director. 1 experienced director. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Announcement • Dec 13
Monolithic Power Systems, Inc. Announces Fourth Quarter Cash Dividend, Payable on January 15, 2026 On December 12, 2025, Monolithic Power Systems, Inc. issued a press release announcing the fourth quarter cash dividend of $1.56 per share to all stockholders of record as of the close of business on December 31, 2025. The dividend will be paid to stockholders on January 15, 2026. Recent Insider Transactions • Nov 23
Insider recently sold US$31m worth of stock On the 19th of November, Maurice Sciammas sold around 35k shares on-market at roughly US$879 per share. This transaction amounted to 13% of their direct individual holding at the time of the trade. In the last 3 months, there was an even bigger sale from another insider worth US$74m. Insiders have been net sellers, collectively disposing of US$197m more than they bought in the last 12 months. Recent Insider Transactions • Nov 20
Founder recently sold US$74m worth of stock On the 12th of November, Michael Hsing sold around 77k shares on-market at roughly US$962 per share. This transaction amounted to 6.7% of their direct individual holding at the time of the trade. This was the largest sale by an insider in the last 3 months. Michael has been a net seller over the last 12 months, reducing personal holdings by US$107m. Recent Insider Transactions • Nov 15
Founder recently sold US$74m worth of stock On the 12th of November, Michael Hsing sold around 77k shares on-market at roughly US$962 per share. This transaction amounted to 6.7% of their direct individual holding at the time of the trade. This was the largest sale by an insider in the last 3 months. Michael has been a net seller over the last 12 months, reducing personal holdings by US$107m. Reported Earnings • Nov 01
Third quarter 2025 earnings released: EPS: US$3.72 (vs US$2.96 in 3Q 2024) Third quarter 2025 results: EPS: US$3.72 (up from US$2.96 in 3Q 2024). Revenue: US$737.2m (up 19% from 3Q 2024). Net income: US$178.3m (up 23% from 3Q 2024). Profit margin: 24% (in line with 3Q 2024). Revenue is forecast to grow 14% p.a. on average during the next 3 years, compared to a 9.2% growth forecast for the Semiconductor industry in Europe. Announcement • Oct 31
Monolithic Power Systems, Inc. Provides Earnings Guidance for the Fourth Quarter Ending December 31, 2025 Monolithic Power Systems, Inc. provided earnings guidance for the fourth quarter ending December 31, 2025. For the year, the company expects Revenue in the range of $730.0 million to $750.0 million. Valuation Update With 7 Day Price Move • Oct 30
Investor sentiment improves as stock rises 32% After last week's 32% share price gain to US$1,090, the stock trades at a forward P/E ratio of 79x. Average forward P/E is 19x in the Semiconductor industry in Europe. Board Change • Oct 30
Insufficient new directors There is 1 new director who has joined the board in the last 3 years. The company's board is composed of: 1 new director. 1 experienced director. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Announcement • Oct 10
Monolithic Power Systems, Inc. to Report Q3, 2025 Results on Oct 30, 2025 Monolithic Power Systems, Inc. announced that they will report Q3, 2025 results After-Market on Oct 30, 2025 Announcement • Oct 07
Reed Semiconductor Corp. Files Patent Infringement Lawsuit Against Monolithic Power Systems Reed Semiconductor Corp. announced that it has filed a patent infringement lawsuit (Case No. 6:25-cv-00449) in the United States District Court for the Western District of Texas against Monolithic Power Systems Inc. (MPS). The lawsuit alleges infringement of U.S. Patent No. 7,960,955, which covers power semiconductor devices incorporating a linear regulator to stabilize input voltage across multiple MPS product families. The filing follows a series of lawsuits initiated by MPS in 2023, 2024, and 2025 in the U.S. District Court for the District of Delaware. According to Reed, discovery in those cases has revealed the claims to be false. Reed's new complaint also asserting that MPS engaged in bad- faith interference with Reed's established business relationships and contractual agreements. Announcement • Sep 12
Monolithic Power Systems, Inc. Announces Third Quarter 2025 Dividend, Payable on October 15, 2025 Monolithic Power Systems, Inc. announced its third quarter dividend of $1.56 per common share to all stockholders of record as of the close of business on September 30, 2025. The dividend will be paid on October 15, 2025. Recent Insider Transactions • Aug 20
Founder recently sold US$17m worth of stock On the 15th of August, Michael Hsing sold around 20k shares on-market at roughly US$829 per share. This transaction amounted to 2.1% of their direct individual holding at the time of the trade. In the last 3 months, there was an even bigger sale from another insider worth US$31m. Michael has been a net seller over the last 12 months, reducing personal holdings by US$35m. Recent Insider Transactions • Aug 16
Independent Director recently sold US$340k worth of stock On the 13th of August, Jeff Zhou sold around 400 shares on-market at roughly US$850 per share. This transaction amounted to 6.8% of their direct individual holding at the time of the trade. In the last 3 months, there was an even bigger sale from another insider worth US$31m. Insiders have been net sellers, collectively disposing of US$111m more than they bought in the last 12 months. Reported Earnings • Aug 07
Second quarter 2025 earnings released: EPS: US$2.79 (vs US$2.06 in 2Q 2024) Second quarter 2025 results: EPS: US$2.79 (up from US$2.06 in 2Q 2024). Revenue: US$664.6m (up 31% from 2Q 2024). Net income: US$133.7m (up 33% from 2Q 2024). Profit margin: 20% (in line with 2Q 2024). Revenue is forecast to grow 13% p.a. on average during the next 3 years, compared to a 8.5% growth forecast for the Semiconductor industry in Europe. Board Change • Aug 07
Insufficient new directors There is 1 new director who has joined the board in the last 3 years. The company's board is composed of: 1 new director. 1 experienced director. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Announcement • Jul 16
Monolithic Power Systems, Inc. to Report Q2, 2025 Results on Jul 31, 2025 Monolithic Power Systems, Inc. announced that they will report Q2, 2025 results After-Market on Jul 31, 2025 Valuation Update With 7 Day Price Move • Jul 14
Investor sentiment improves as stock rises 32% After last week's 32% share price gain to US$710, the stock trades at a forward P/E ratio of 57x. Average forward P/E is 20x in the Semiconductor industry in Europe. Simply Wall St's valuation model estimates the intrinsic value at US$304 per share. Board Change • Jul 14
Insufficient new directors There is 1 new director who has joined the board in the last 3 years. The company's board is composed of: 1 new director. 1 experienced director. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Announcement • Jun 14
Monolithic Power Systems Announces Second Quarter 2025 Dividend, Payable on July 15, 2025 Monolithic Power Systems, Inc. announced its second quarter dividend of $1.56 per common share to all stockholders of record as of the close of business on June 30, 2025. The dividend will be paid on July 15, 2025. Announcement • May 02
Monolithic Power Systems, Inc. Provides Earnings Guidance for the Second Quarter Ending June 30, 2025 Monolithic Power Systems, Inc. provided earnings guidance for the second quarter ending June 30, 2025. For the quarter, the company expects Revenue in the range of $640.0 million to $660.0 million. Announcement • Apr 24
Monolithic Power Systems, Inc., Annual General Meeting, Jun 12, 2025 Monolithic Power Systems, Inc., Annual General Meeting, Jun 12, 2025. Board Change • Apr 17
Insufficient new directors There is 1 new director who has joined the board in the last 3 years. The company's board is composed of: 1 new director. 1 experienced director. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. Announcement • Apr 17
Monolithic Power Systems, Inc. to Report Q1, 2025 Results on May 01, 2025 Monolithic Power Systems, Inc. announced that they will report Q1, 2025 results After-Market on May 01, 2025 Reported Earnings • Mar 05
Full year 2024 earnings released: EPS: US$36.76 (vs US$8.98 in FY 2023) Full year 2024 results: EPS: US$36.76 (up from US$8.98 in FY 2023). Revenue: US$2.21b (up 21% from FY 2023). Net income: US$1.79b (up 318% from FY 2023). Profit margin: 81% (up from 24% in FY 2023). The increase in margin was primarily driven by lower expenses. Revenue is forecast to grow 15% p.a. on average during the next 3 years, compared to a 25% growth forecast for the Semiconductor industry in the United Kingdom. Recent Insider Transactions • Feb 23
Founder recently sold US$3.6m worth of stock On the 18th of February, Michael Hsing sold around 5k shares on-market at roughly US$700 per share. This transaction amounted to less than 1% of their direct individual holding at the time of the trade. In the last 3 months, they made an even bigger sale worth US$8.4m. Michael has been a net seller over the last 12 months, reducing personal holdings by US$59m. Board Change • Feb 19
Insufficient new directors There is 1 new director who has joined the board in the last 3 years. The company's board is composed of: 1 new director. 1 experienced director. 5 highly experienced directors. Independent Director Eileen Wynne was the last director to join the board, commencing their role in 2023. The company’s insufficient board refreshment is considered a risk according to the Simply Wall St Risk Model. 
