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MONOLITHIC POWER SYSTEMS INC
Semiconductors & Related Devices · DE · CIK 1280452
Monolithic Power Systems provides high-performance, semiconductor-based power electronics solutions for various applications
🔥 High media attention
$77.49B
Market cap
$1312.77
Last close
-0.0%
1D
-14.6%
5D
1.1M
Volume
Price · last 39 sessions-16.6%
May 4L $1312.77 · H $1689.89Jun 29
107
Total filings
Jun 12, 2026
Last filing
12/31
Fiscal year end
Insider Activity
In the 90 days to Mar 20, 2026: 6 sold $295.4M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 20, 2026 | Sciammas MauriceEVP, WW Sales & Marketing | Sell | 30 | $1095.07 | $33K |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 12,731 | $1155.71 | $14.7M |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 4,992 | $1159.84 | $5.8M |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 4,001 | $1164.92 | $4.7M |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 3,640 | $1205.82 | $4.4M |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 2,076 | $1168.80 | $2.4M |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 1,440 | $1217.12 | $1.8M |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 1,440 | $1200.81 | $1.7M |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 1,240 | $1210.11 | $1.5M |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 600 | $1194.34 | $717K |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 480 | $1180.79 | $567K |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 200 | $1173.39 | $235K |
| Feb 12, 2026 | Hsing MichaelCEO | Sell | 160 | $1188.23 | $190K |
| Feb 11, 2026 | Hsing MichaelCEO | Sell | 14,578 | $1197.20 | $17.5M |
| Feb 11, 2026 | Hsing MichaelCEO | Sell | 6,079 | $1192.67 | $7.3M |
| Feb 11, 2026 | Hsing MichaelCEO | Sell | 2,799 | $1177.67 | $3.3M |
| Feb 11, 2026 | Hsing MichaelCEO | Sell | 2,104 | $1188.17 | $2.5M |
| Feb 11, 2026 | Hsing MichaelCEO | Sell | 1,987 | $1172.92 | $2.3M |
| Feb 11, 2026 | Hsing MichaelCEO | Sell | 1,542 | $1182.82 | $1.8M |
| Feb 11, 2026 | Hsing MichaelCEO | Sell | 1,533 | $1167.62 | $1.8M |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
In the News
🔥 High media attentionCoverage (30d): 9 reputable articles · skews ▲ positive.
MarketWatchMonolithic Power Systems Inc. stock outperforms competitors on strong trading day11d agoMarketWatchMonolithic Power Systems Inc. stock underperforms Tuesday when compared to competitors13d agoMarketWatchMonolithic Power Systems Inc. stock underperforms Friday when compared to competitors24d agoInvestor's Business DailyThis Nvidia Chip Supplier Is In The Middle Of A Legendary Comeback25d agoMarketWatchMonolithic Power Systems Inc. stock underperforms Thursday when compared to competitors25d ago
Reputable outlets only (Reuters, WSJ, CNBC, Barron's, and peers). More on Google News ↗
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