Michael Hsing Insider Trading Activity
Michael Hsing has been net-selling over the last 12 months with 0 purchases and 90 sales across 1 company.
MPWR is the most-traded position with 90 trades. The largest single transaction was a sale of MPWR for $64.3M on Feb 6, 2026.
Performance Scorecard
Forward stock performance after each transaction by Michael Hsing. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +2.5% | 54% | 90 |
| 90 days | — | -27.4% | 0% | 77 |
| 120 days | — | -19.2% | 0% | 77 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersMPWR · MONOLITHIC POWER SYSTEMS INC
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Showing the 50 most recent of 90 disclosed trades.
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 18, 2026 | MPWR | Sell | 3,424 | $1462.61 | $5.0M | −0.4% | CEO | |
May 18, 2026 | MPWR | Sell | 5,819 | $1467.62 | $8.5M | −0.7% | CEO | |
May 18, 2026 | MPWR | Sell | 5,049 | $1472.84 | $7.4M | −0.6% | CEO | |
May 18, 2026 | MPWR | Sell | 4,082 | $1476.96 | $6.0M | −0.5% | CEO | |
May 18, 2026 | MPWR | Sell | 5,737 | $1482.51 | $8.5M | −0.7% | CEO | |
May 18, 2026 | MPWR | Sell | 6,688 | $1486.76 | $9.9M | −0.8% | CEO | |
May 18, 2026 | MPWR | Sell | 862 | $1491.48 | $1.3M | −0.1% | CEO | |
May 18, 2026 | MPWR | Sell | 608 | $1499.46 | $912K | −0.1% | CEO | |
May 18, 2026 | MPWR | Sell | 2,929 | $1503.05 | $4.4M | −0.3% | CEO | |
May 18, 2026 | MPWR | Sell | 3,769 | $1507.70 | $5.7M | −0.4% | CEO | |
May 18, 2026 | MPWR | Sell | 551 | $1513.11 | $834K | −0.1% | CEO | |
May 18, 2026 | MPWR | Sell | 352 | $1518.15 | $534K | −0.0% | CEO | |
May 18, 2026 | MPWR | Sell | 130 | $1521.43 | $198K | −0.0% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 12,731 | $1155.71 | $14.7M | −1.4% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 4,992 | $1159.84 | $5.8M | −0.5% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 4,001 | $1164.92 | $4.7M | −0.4% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 2,076 | $1168.80 | $2.4M | −0.2% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 200 | $1173.39 | $235K | −0.0% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 480 | $1180.79 | $567K | −0.1% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 160 | $1188.23 | $190K | −0.0% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 600 | $1194.34 | $717K | −0.1% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 1,440 | $1200.81 | $1.7M | −0.2% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 3,640 | $1205.82 | $4.4M | −0.4% | CEO | |
Feb 12, 2026 Filed 3d late | MPWR | Sell | 1,240 | $1210.11 | $1.5M | −0.1% | CEO | |
Feb 11, 2026 | MPWR | Sell | 363 | $1158.71 | $421K | −0.0% | CEO | |
Feb 11, 2026 | MPWR | Sell | 1,366 | $1163.71 | $1.6M | −0.1% | CEO | |
Feb 11, 2026 | MPWR | Sell | 1,533 | $1167.62 | $1.8M | −0.2% | CEO | |
Feb 11, 2026 | MPWR | Sell | 1,987 | $1172.92 | $2.3M | −0.2% | CEO | |
Feb 11, 2026 | MPWR | Sell | 2,799 | $1177.67 | $3.3M | −0.3% | CEO | |
Feb 11, 2026 | MPWR | Sell | 1,542 | $1182.82 | $1.8M | −0.2% | CEO | |
Feb 11, 2026 | MPWR | Sell | 2,104 | $1188.17 | $2.5M | −0.2% | CEO | |
Feb 11, 2026 | MPWR | Sell | 6,079 | $1192.67 | $7.3M | −0.6% | CEO | |
Feb 11, 2026 | MPWR | Sell | 14,578 | $1197.20 | $17.5M | −1.6% | CEO | |
Feb 11, 2026 | MPWR | Sell | 649 | $1202.28 | $780K | −0.1% | CEO | |
Feb 10, 2026 | MPWR | Sell | 4,302 | $1132.01 | $4.9M | −0.4% | CEO | |
Feb 10, 2026 | MPWR | Sell | 6,325 | $1136.75 | $7.2M | −0.6% | CEO | |
Feb 10, 2026 | MPWR | Sell | 16,080 | $1141.88 | $18.4M | −1.6% | CEO | |
Feb 10, 2026 | MPWR | Sell | 3,864 | $1145.90 | $4.4M | −0.4% | CEO | |
Feb 10, 2026 | MPWR | Sell | 1,215 | $1151.11 | $1.4M | −0.1% | CEO | |
Feb 10, 2026 | MPWR | Sell | 694 | $1154.96 | $802K | −0.1% | CEO | |
Feb 10, 2026 | MPWR | Sell | 360 | $1161.41 | $418K | −0.0% | CEO | |
Feb 10, 2026 | MPWR | Sell | 880 | $1176.04 | $1.0M | −0.1% | CEO | |
Feb 10, 2026 | MPWR | Sell | 280 | $1197.26 | $335K | −0.0% | CEO | |
Feb 6, 2026 | MPWR | Sell | 54,923 | $1171.16 | $64.3M | −5.3% | CEO | |
Nov 12, 2025 | MPWR | Sell | 3,264 | $964.47 | $3.1M | −0.3% | CEO | |
Nov 12, 2025 | MPWR | Sell | 403 | $957.58 | $386K | −0.0% | CEO | |
Nov 12, 2025 | MPWR | Sell | 2,799 | $958.34 | $2.7M | −0.3% | CEO | |
Nov 12, 2025 | MPWR | Sell | 440 | $959.36 | $422K | −0.0% | CEO | |
Nov 12, 2025 | MPWR | Sell | 1,904 | $961.63 | $1.8M | −0.2% | CEO | |
Nov 12, 2025 | MPWR | Sell | 2,817 | $962.61 | $2.7M | −0.3% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| MPWR | MONOLITHIC POWER SYSTEMS INC | 90 | $329.1M |
Other insiders at MONOLITHIC POWER SYSTEMS INC
7 other tracked filers at MPWR.