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250 insider filings on record.
Byron DonaldsOversight and Government Reform · Financial Servicestraded 5 Jun · filed 15 Jul · selfSell (part)$1K–$15Kself5 Jun15 JulByron DonaldsOversight and Government Reform · Financial Servicestraded 5 Jun · filed 15 Jul · spouseSell (part)$1K–$15Kspouse5 Jun15 Jul
Michael GuestEthics · Homeland Security +1traded 20 Oct 2025 · filed 19 Nov 2025 · childBuy$1K–$15Kchild20 Oct 202519 Nov 2025250 filings on record.
MPWRMONOLITHIC POWER SYSTEMS, INC.
NasdaqGS · Technology · $56.09B
$1,143.24
-7.39% · Sep 14
250 insider filings on record.
None of them an open-market buy in the last year.
Price · 1Y · daily● 228 sells
▸ hover a marker for the filing · drag to zoom · daily bars sharpen to 30-min on close ranges · 4 moves explained
AI brief · from the filings on this pagePro
The filings, the score and the setup on this page, read for you in about ten seconds — what the insiders did, and what stands against it.
Market cap
$56.09B
Float
47.4M
96% public
Short % float
Pro
Price / profit
69.8
Price / future profit
32.7
Price / sales
17.1
Congress
▸ Disclosures lag trades by 30–45 days.
3 disclosures12 mo
MemberTypeAmountOwnerTradedFiled
The record
newest first
DateTypeInsiderOf stakeShares @ priceValue
245 more transactions on Pro →Context
Wall St
$1,789.23 avg target
+56.5% vs today · 13 analysts
▸ relayed analyst opinion, which tends to run optimistic — not our forecast or advice
Earnings · EPS vs forecast
4 of 4 quarters beat
Q1 '26$5.10 act+$0.20
Q4 '25$4.79 act+$0.05
Q3 '25$4.73 act+$0.09
Q2 '25$4.21 act+$0.09
Coverage
Monolithic Power Systems, Vishay Intertechnology, and Microchip Technology Stocks Trade Up, What You Need To KnowStockStory · 07-06Reflecting On Analog Semiconductors Stocks’ Q1 Earnings: Monolithic Power Systems (NASDAQ:MPWR)StockStory · 07-02Here’s What Fueled Monolithic Power Systems’ (MPWR) 21% SurgeInsider Monkey · 07-01Monolithic Power Systems, Power Integrations, and Amkor Stocks Trade Down, What You Need To KnowStockStory · 06-23
The file stays open
250 filings on record.
The next one will be too.
▸ SEC EDGAR · FINRA · Nasdaq — public sources only · research, not advice