| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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CEO
1 company
Hsing Michael is a CEO at MONOLITHIC POWER SYSTEMS INC. Recent SEC Form 4 filings include 0 buys and 79 sells.
Estimated insider holdings value: $1576.7M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb 10, 2026 | MPWR Monolithic Power Systems Inc | CEO | Sell | 34,000 | $1,142.28 | $38,837,435.26 | -0.4% | +40.2% | - | |
| Nov 12, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 37,000 | $965.52 | $35,724,379.66 | -0.2% | +19.2% | - | |
| Nov 11, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 40,000 | $958.39 | $38,335,721.29 | -0.2% | +26.3% | - | |
| Aug 15, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 21,777 | $829.46 | $18,063,059.43 | -0.2% | +11.8% | - | |
| Feb 18, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 5,200 | $700.00 | $3,640,000.00 | -0.6% | +1.7% | +72.0% | |
| Feb 10, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 2,594 | $717.10 | $1,860,157.40 | -0.3% | +0.5% | +61.9% | |
| Feb 7, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 11,964 | $700.00 | $8,374,800.00 | -1.4% | -11.2% | +70.7% | |
| Jan 24, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 3,636 | $700.00 | $2,545,200.00 | -0.4% | -14.4% | +56.8% | |
| Nov 8, 2024 | MPWR Monolithic Power Systems Inc | CEO | Sell | 2,812 | $765.15 | $2,151,601.80 | -0.3% | -13.2% | +25.9% | |
| Aug 16, 2024 | MPWR Monolithic Power Systems Inc | CEO | Sell | 4,263 | $827.18 | $3,526,277.06 | - | -36.9% | -9.6% |