Latest EDGAR 4 filed on 2026-07-17, report date 2026-07-15: Sciammas Maurice / MONOLITHIC POWER SYSTEMS, INC. reports ownership changes; on 07/15/2026; in Common Stock; including 166,117 shares at 274 per share; 165,843 shares at 409 per share; 165,434 shares at 464 per share; 164,970 shares at 776 per share; 153,674 shares at 240 per share; 153,434 shares at 472 per share; 152,962 shares at 418 per share; 152,544 shares at 410 per share; 1. This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on 11/24/2025. 2. The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,311.45 to $1,316.40 The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. 3. The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,316.56 to $1,321.56. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. 4. The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,321.72 to $1,326.11. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. 5. The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,326.94 to $1,331.90. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. 6.
Stock detail
Monolithic Power Systems, Inc. (MPWR) stock price, chart, and key data
View Monolithic Power Systems, Inc. stock price, chart movement, and headline metrics on Woodstock's stock detail page.

Stock detail
Monolithic Power Systems, Inc.
MPWR · XNAS
-$87.79 (-6.27%) past day
$1,312.08
Overnight $1,334.10 (+1.68%)
Key metrics
Financials
Quarterly revenue, profitability, and balance-sheet snapshot
Dividend
Past Dividend Performance
$1.56
$2.00
$2.00
Annual Dividend Yield
0.61%
Dividend
$2.00 / Stock
Frequency
Quarterly Payment
Operating income & Operating cash flow
Quarterly revenue, profitability, and balance-sheet snapshot
Total assets & Total liabilities
Quarterly revenue, profitability, and balance-sheet snapshot
Total equity & Shares outstanding
Quarterly revenue, profitability, and balance-sheet snapshot
Day range
$1,320.42 - $1,402.51
52-week range
$702.32 - $1,714.09
Close price
$1,397.15
Market cap
$68.6B
P/E ratio
93.79
Beta
1.71
Financials
FY2026 Q1Operating income
$241M
Operating cash flow
$250M
EPS
3.92
Shares outstanding
49.1M
Total assets
$4B
Total equity
$4B
Total liabilities
$771M
About the company
Monolithic Power Systems, Inc.
Monolithic Power Systems, Inc. is an American, publicly traded company headquartered in West Palm Beach, Florida. It operates in more than 15 locations worldwide. Monolithic Power Systems provides power circuits for systems found in cloud computing, telecom infrastructures, automotive, industrial applications and consumer applications.
Analyst rating summary
A current read on analyst sentiment from the insight feed.
Mean target
$1,786
11
Buy
/ 12
Recent calls
07/20/2026
Rosenblatt Securities
Kevin Cassidy
Hold · Price target $1,575
07/20/2026
Wells Fargo
Joseph Quatrochi
Buy · Price target $1,700
06/12/2026
Oppenheimer
Rick Schafer
Buy · Price target $1,700
Ticker holders
Review politician disclosures and insider transactions in tabs.
Holder directory
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#1Markwayne Mullin
republican · Executive · OK
- Buy$15,001 / $32,501 / $50,000
#2Markwayne Mullin
republican · Executive · OK
- Buy$15,001 / $32,501 / $50,000
#3Ro Khanna
democrat · House · CA-17
- Sell$1,000 / $8,000 / $15,000
- Buy$1,000 / $8,000 / $15,000
- Buy$1,000 / $8,000 / $15,000
#4Rob Bresnahan
republican · House · PA-8
- Sell$1,000 / $8,000 / $15,000
#5Ro Khanna
democrat · House · CA-17
- Sell$1,000 / $8,000 / $15,000
#6Markwayne Mullin
republican · Executive · OK
- Buy$15,001 / $32,501 / $50,000
#7Rob Bresnahan
republican · House · PA-8
- Buy$1,001 / $8,001 / $15,000
#8Byron Donalds
republican · House · FL-19
#9Byron Donalds
republican · House · FL-19
#10Ro Khanna
democrat · House · CA-17
#11Michael Guest
republican · House · MS-3
- Buy$1,001 / $8,001 / $15,000
#12Donald J Trump
republican · Executive
Market action
A concise summary of the latest filing, transaction, or market-moving item.
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