Maurice Sciammas Insider Trading Activity
Maurice Sciammas has been net-selling over the last 12 months with 0 purchases and 40 sales across 1 company.
MPWR is the most-traded position with 40 trades. The largest single transaction was a sale of MPWR for $26.8M on Feb 6, 2026.
Performance Scorecard
Forward stock performance after each transaction by Maurice Sciammas. 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 | — | -7.6% | 9% | 32 |
| 90 days | — | -33.6% | 0% | 28 |
| 120 days | — | -24.6% | 0% | 27 |
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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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| May 15, 2026 | MPWR | Sell | 2,020 | $1567.15 | $3.2M | VP |
| May 15, 2026 | MPWR | Sell | 50 | $1585.51 | $79K | VP |
| May 15, 2026 | MPWR | Sell | 447 | $1582.21 | $707K | VP |
| May 15, 2026 | MPWR | Sell | 3,741 | $1550.36 | $5.8M | VP |
| May 15, 2026 | MPWR | Sell | 703 | $1577.75 | $1.1M | VP |
| May 15, 2026 | MPWR | Sell | 1,312 | $1571.49 | $2.1M | VP |
| May 15, 2026 | MPWR | Sell | 1,717 | $1557.48 | $2.7M | VP |
| May 15, 2026 | MPWR | Sell | 2,010 | $1562.01 | $3.1M | VP |
| May 5, 2026 | MPWR | Sell | 380 | $1583.81 | $602K | VP |
| May 4, 2026 | MPWR | Sell | 30 | $1588.73 | $48K | VP |
| Apr 1, 2026 | MPWR | Sell | 30 | $1116.44 | $33K | VP |
| Mar 20, 2026 | MPWR | Sell | 30 | $1095.07 | $33K | VP |
| Feb 11, 2026 | MPWR | Sell | 200 | $1179.97 | $236K | VP |
| Feb 6, 2026 | MPWR | Sell | 22,875 | $1171.16 | $26.8M | VP |
| Nov 24, 2025 | MPWR | Sell | 3,976 | $895.23 | $3.6M | VP |
| Nov 19, 2025 | MPWR | Sell | 1,854 | $878.55 | $1.6M | VP |
| Nov 19, 2025 | MPWR | Sell | 1,966 | $879.54 | $1.7M | VP |
| Nov 19, 2025 | MPWR | Sell | 3,776 | $880.58 | $3.3M | VP |
| Nov 19, 2025 | MPWR | Sell | 2,469 | $881.42 | $2.2M | VP |
| Nov 19, 2025 | MPWR | Sell | 3,344 | $882.51 | $3.0M | VP |
| Nov 19, 2025 | MPWR | Sell | 6,513 | $883.50 | $5.8M | VP |
| Nov 19, 2025 | MPWR | Sell | 2,149 | $884.44 | $1.9M | VP |
| Nov 19, 2025 | MPWR | Sell | 1,738 | $885.10 | $1.5M | VP |
| Nov 19, 2025 | MPWR | Sell | 810 | $886.01 | $718K | VP |
| Nov 19, 2025 | MPWR | Sell | 723 | $868.42 | $628K | VP |
| Nov 19, 2025 | MPWR | Sell | 240 | $862.58 | $207K | VP |
| Nov 19, 2025 | MPWR | Sell | 160 | $863.86 | $138K | VP |
| Nov 19, 2025 | MPWR | Sell | 40 | $865.89 | $35K | VP |
| Nov 19, 2025 | MPWR | Sell | 339 | $866.19 | $294K | VP |
| Nov 19, 2025 | MPWR | Sell | 699 | $867.57 | $606K | VP |
| Nov 19, 2025 | MPWR | Sell | 1,842 | $869.39 | $1.6M | VP |
| Nov 19, 2025 | MPWR | Sell | 320 | $870.36 | $279K | VP |
| Nov 19, 2025 | MPWR | Sell | 220 | $871.45 | $192K | VP |
| Nov 19, 2025 | MPWR | Sell | 574 | $872.80 | $501K | VP |
| Nov 19, 2025 | MPWR | Sell | 1,146 | $873.78 | $1.0M | VP |
| Nov 19, 2025 | MPWR | Sell | 731 | $874.50 | $639K | VP |
| Nov 19, 2025 | MPWR | Sell | 431 | $875.26 | $377K | VP |
| Nov 19, 2025 | MPWR | Sell | 940 | $876.62 | $824K | VP |
| Nov 19, 2025 | MPWR | Sell | 1,976 | $877.45 | $1.7M | VP |
| Nov 5, 2025 | MPWR | Sell | 200 | $986.81 | $197K | VP |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| MPWR | MONOLITHIC POWER SYSTEMS INC | 40 | $81.0M |
Other insiders at MONOLITHIC POWER SYSTEMS INC
7 other tracked filers at MPWR.