| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Monolithic Power Systems, Inc. (MPWR) has 11 insiders with recent SEC Form 4 filings, including 0 buys and 38 sells. MPWR is classified in the Semiconductors & Semiconductor Equipment industry within the Information Technology sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 956.4K | $1.51B | - | |
| VP | 201.6K | $318.05M | - | |
| VP | 163.5K | $257.84M | - | |
| CFO | 65.4K | $103.18M | - | |
| Dir | 28.0K | $44.11M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 2, 2025 | Blegen Theodore51 | EVP And CFO | Sell | 3,000 | $814.34 | $2,443,032.12 | -0.5% | +12.7% | - | |
| Aug 29, 2025 | Elmiger Eugen J | Director | Sell | 4,000 | $846.71 | $3,386,841.00 | -3.4% | +11.1% | - | |
| Aug 27, 2025 | Zhou Jeff50 | Director | Sell | 193 | $870.00 | $167,910.00 | -3.3% | +4.9% | - | |
| Aug 15, 2025 | Hsing Michael49 | CEO | Sell | 20,231 | $829.10 | $16,773,550.18 | -0.2% | +11.8% | - | |
| Aug 13, 2025 | Zhou Jeff50 | Director | Sell | 400 | $850.00 | $340,000.00 | -6.4% | +10.8% | - | |
| Aug 12, 2025 | Zhou Jeff50 | Director | Sell | 200 | $830.00 | $166,000.00 | -3.1% | +16.1% | - | |
| Aug 1, 2025 | Xiao Deming51 | EVP, Global Operations | Sell | 39,999 | $780.00 | $31,199,220.00 | -24.8% | +38.4% | - | |
| Aug 1, 2025 | Blegen Theodore51 | EVP And CFO | Sell | 3,000 | $750.00 | $2,250,000.00 | -6.4% | +38.4% | - | |
| Jul 1, 2025 | Blegen Theodore51 | EVP And CFO | Sell | 6,000 | $750.00 | $4,500,000.00 | -11.3% | +18.7% | - | |
| May 13, 2025 | Chang Kuo Wei Herbert49 | Director | Sell | 50 | $738.00 | $36,900.00 | -7.4% | +8.1% | +123.7% |