Maurice Sciammas
CIK 1360833 · View on SEC EDGAR ↗
Insider
First SEC filing: May 1, 2006 · Latest: Feb. 12, 2009
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
61 sells (S)
Net:
$-101,386,047
+ 26 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
26 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 3, 2026 | MPWR | S 10b5-1 | 30 | $1343.94 | $40,318 | 1,119 Indirect | -2.61% | Disposed | -4.1% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 110 | $1405.71 | $154,628 | 151,644 Direct | -0.07% | Disposed | -8.3% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 117 | $1400.45 | $163,853 | 151,754 Direct | -0.08% | Disposed | -7.9% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 213 | $1396.16 | $297,382 | 151,871 Direct | -0.14% | Disposed | -7.7% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 50 | $1388.19 | $69,410 | 152,084 Direct | -0.03% | Disposed | -7.1% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 410 | $1384.11 | $567,485 | 152,134 Direct | -0.27% | Disposed | -6.9% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 418 | $1378.73 | $576,309 | 152,544 Direct | -0.27% | Disposed | -6.5% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 472 | $1375.47 | $649,222 | 152,962 Direct | -0.31% | Disposed | -6.3% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 240 | $1369.18 | $328,603 | 153,434 Direct | -0.16% | Disposed | -5.8% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 50 | $1359.36 | $67,968 | 153,674 Direct | -0.03% | Disposed | -5.2% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 5,640 | $1352.95 | $7,630,638 | 153,724 Direct | -3.54% | Disposed | -4.7% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 1,506 | $1348.91 | $2,031,458 | 159,364 Direct | -0.94% | Disposed | -4.4% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 1,864 | $1344.16 | $2,505,514 | 160,870 Direct | -1.15% | Disposed | -4.1% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 1,460 | $1339.59 | $1,955,801 | 162,734 Direct | -0.89% | Disposed | -3.8% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 776 | $1334.59 | $1,035,642 | 164,194 Direct | -0.47% | Disposed | -3.4% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 464 | $1329.30 | $616,795 | 164,970 Direct | -0.28% | Disposed | -3.0% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 409 | $1323.93 | $541,487 | 165,434 Direct | -0.25% | Disposed | -2.6% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 274 | $1318.42 | $361,247 | 165,843 Direct | -0.16% | Disposed | -2.2% (price as of 2026-08-19) |
| July 15, 2026 | MPWR | S 10b5-1 | 527 | $1314.03 | $692,494 | 166,117 Direct | -0.32% | Disposed | -1.9% (price as of 2026-08-19) |
| July 1, 2026 | MPWR | S 10b5-1 | 30 | $1351.61 | $40,548 | 1,149 Indirect | -2.54% | Disposed | -4.6% (price as of 2026-08-19) |
| June 1, 2026 | MPWR | S 10b5-1 | 30 | $1533.95 | $46,018 | 1,179 Indirect | -2.48% | Disposed | -16.0% (price as of 2026-08-19) |
| May 15, 2026 | MPWR | S 10b5-1 | 50 | $1585.51 | $79,276 | 166,644 Direct | -0.03% | Disposed | -18.7% (price as of 2026-08-19) |
| May 15, 2026 | MPWR | S 10b5-1 | 447 | $1582.21 | $707,248 | 166,694 Direct | -0.27% | Disposed | -18.5% (price as of 2026-08-19) |
| May 15, 2026 | MPWR | S 10b5-1 | 703 | $1577.75 | $1,109,158 | 167,141 Direct | -0.42% | Disposed | -18.3% (price as of 2026-08-19) |
| May 15, 2026 | MPWR | S 10b5-1 | 1,312 | $1571.49 | $2,061,795 | 167,844 Direct | -0.78% | Disposed | -18.0% (price as of 2026-08-19) |
| May 15, 2026 | MPWR | S 10b5-1 | 2,020 | $1567.15 | $3,165,643 | 169,156 Direct | -1.18% | Disposed | -17.7% (price as of 2026-08-19) |
| May 15, 2026 | MPWR | S 10b5-1 | 2,010 | $1562.01 | $3,139,640 | 171,176 Direct | -1.16% | Disposed | -17.5% (price as of 2026-08-19) |
| May 15, 2026 | MPWR | S 10b5-1 | 1,717 | $1557.48 | $2,674,193 | 173,186 Direct | -0.98% | Disposed | -17.2% (price as of 2026-08-19) |
| May 15, 2026 | MPWR | S 10b5-1 | 3,741 | $1550.36 | $5,799,897 | 174,903 Direct | -2.09% | Disposed | -16.8% (price as of 2026-08-19) |
| May 5, 2026 | MPWR | S | 380 | $1583.81 | $601,848 | 919 Indirect | -29.25% | Disposed | -18.6% (price as of 2026-08-19) |
| May 4, 2026 | MPWR | S 10b5-1 | 30 | $1588.73 | $47,662 | 1,209 Indirect | -2.42% | Disposed | -18.9% (price as of 2026-08-19) |
| April 1, 2026 | MPWR | S 10b5-1 | 30 | $1116.44 | $33,493 | 1,239 Indirect | -2.36% | Disposed | 15.5% (price as of 2026-08-19) |
| March 20, 2026 | MPWR | S 10b5-1 | 30 | $1095.07 | $32,852 | 1,269 Indirect | -2.31% | Disposed | 17.7% (price as of 2026-08-19) |
| Feb. 11, 2026 | MPWR | S | 200 | $1179.97 | $235,994 | 1,299 Indirect | -13.34% | Disposed | 9.3% (price as of 2026-08-19) |
| Feb. 6, 2026 | MPWR | S | 22,875 | $1171.16 | $26,790,285 | 178,625 Direct | -11.35% | Disposed | 10.1% (price as of 2026-08-19) |
| Nov. 24, 2025 | MPWR | S | 3,976 | $895.23 | $3,559,434 | 144,330 Direct | -2.68% | Disposed | 44.0% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 810 | $886.01 | $717,668 | 148,306 Direct | -0.54% | Disposed | 45.5% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 1,738 | $885.10 | $1,538,304 | 149,116 Direct | -1.15% | Disposed | 45.7% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 2,149 | $884.44 | $1,900,662 | 150,854 Direct | -1.40% | Disposed | 45.8% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 6,513 | $883.50 | $5,754,236 | 153,003 Direct | -4.08% | Disposed | 45.9% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 3,344 | $882.51 | $2,951,113 | 159,516 Direct | -2.05% | Disposed | 46.1% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 2,469 | $881.42 | $2,176,226 | 162,860 Direct | -1.49% | Disposed | 46.3% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 3,776 | $880.58 | $3,325,070 | 165,329 Direct | -2.23% | Disposed | 46.4% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 1,966 | $879.54 | $1,729,176 | 169,105 Direct | -1.15% | Disposed | 46.6% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 1,854 | $878.55 | $1,628,832 | 171,071 Direct | -1.07% | Disposed | 46.7% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 1,976 | $877.45 | $1,733,841 | 172,925 Direct | -1.13% | Disposed | 46.9% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 940 | $876.62 | $824,023 | 174,901 Direct | -0.53% | Disposed | 47.1% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 431 | $875.26 | $377,237 | 175,841 Direct | -0.24% | Disposed | 47.3% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 731 | $874.50 | $639,260 | 176,272 Direct | -0.41% | Disposed | 47.4% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 1,146 | $873.78 | $1,001,352 | 177,003 Direct | -0.64% | Disposed | 47.5% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 574 | $872.80 | $500,987 | 178,149 Direct | -0.32% | Disposed | 47.7% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 220 | $871.45 | $191,719 | 178,723 Direct | -0.12% | Disposed | 47.9% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 320 | $870.36 | $278,515 | 178,943 Direct | -0.18% | Disposed | 48.1% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 1,842 | $869.39 | $1,601,416 | 179,263 Direct | -1.02% | Disposed | 48.3% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 723 | $868.42 | $627,868 | 181,105 Direct | -0.40% | Disposed | 48.4% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 699 | $867.57 | $606,431 | 181,828 Direct | -0.38% | Disposed | 48.6% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 339 | $866.19 | $293,638 | 182,527 Direct | -0.19% | Disposed | 48.8% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 40 | $865.89 | $34,636 | 182,866 Direct | -0.02% | Disposed | 48.9% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 160 | $863.86 | $138,218 | 182,906 Direct | -0.09% | Disposed | 49.2% (price as of 2026-08-19) |
| Nov. 19, 2025 | MPWR | S | 240 | $862.58 | $207,019 | 183,066 Direct | -0.13% | Disposed | 49.5% (price as of 2026-08-19) |
| Nov. 5, 2025 | MPWR | S | 200 | $986.81 | $197,362 | 1,299 Indirect | -13.34% | Disposed | 30.6% (price as of 2026-08-19) |
| May 12, 2025 | MPWR | S | 12,000 | $701.00 | $8,412,000 | 4,015 Indirect | -74.93% | Disposed | 83.9% (price as of 2026-08-19) |
| Feb. 10, 2025 | MPWR | S | 662 | $717.10 | $474,720 | 102,301 Direct | -0.64% | Disposed | 79.8% (price as of 2026-08-19) |
| Feb. 7, 2025 | MPWR | S | 200 | $704.92 | $140,984 | 16,015 Indirect | -1.23% | Disposed | 82.9% (price as of 2026-08-19) |
| Feb. 7, 2025 | MPWR | S | 1,259 | $703.88 | $886,185 | 16,215 Indirect | -7.20% | Disposed | 83.1% (price as of 2026-08-19) |
| Feb. 7, 2025 | MPWR | S | 1,600 | $702.46 | $1,123,936 | 17,474 Indirect | -8.39% | Disposed | 83.5% (price as of 2026-08-19) |
| Feb. 7, 2025 | MPWR | S | 3,941 | $701.03 | $2,762,759 | 19,074 Indirect | -17.12% | Disposed | 83.9% (price as of 2026-08-19) |
| Nov. 8, 2024 | MPWR | S | 866 | $765.14 | $662,611 | 102,963 Direct | -0.83% | Disposed | 68.5% (price as of 2026-08-19) |
| Oct. 7, 2024 | MPWR | S | 200 | $935.00 | $187,000 | 103,829 Direct | -0.19% | Disposed | 37.9% (price as of 2026-08-19) |
| Oct. 7, 2024 | MPWR | S | 2 | $933.16 | $1,866 | 104,012 Direct | 0.00% | Disposed | 38.1% (price as of 2026-08-19) |
| Oct. 7, 2024 | MPWR | S | 1,559 | $932.52 | $1,453,799 | 104,014 Direct | -1.48% | Disposed | 38.2% (price as of 2026-08-19) |
| Oct. 7, 2024 | MPWR | S | 2,304 | $931.33 | $2,145,784 | 105,573 Direct | -2.14% | Disposed | 38.4% (price as of 2026-08-19) |
| Oct. 7, 2024 | MPWR | S | 789 | $930.51 | $734,172 | 107,877 Direct | -0.73% | Disposed | 38.5% (price as of 2026-08-19) |
| Oct. 7, 2024 | MPWR | S | 1,774 | $929.55 | $1,649,022 | 108,666 Direct | -1.61% | Disposed | 38.7% (price as of 2026-08-19) |
Showing latest 100 of 935 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 2, 2021 | MPWR | Performance Shares | Common Stock (32,165) | — | — | 32,165 | Disposed |
| July 21, 2020 | MPWR | Performance Shares [F1] | Common Stock (32,165) | — | — | 32,165 | Acquired |
| Feb. 4, 2020 | MPWR | Restricted Stock Units | Common Stock (19,200) | — | — | 19,200 | Disposed |
| July 23, 2019 | MPWR | Restricted Stock Units | Common Stock (9,600) | — | — | 9,600 | Disposed |
| April 23, 2019 | MPWR | Restricted Stock Units | Common Stock (9,600) | — | — | 9,600 | Disposed |
| Oct. 25, 2018 | MPWR | Performance Shares | Common Stock (12,885) | — | — | 12,885 | Disposed |
| Oct. 25, 2018 | MPWR | Performance Shares | Common Stock (15,075) | — | — | 15,075 | Disposed |
| Oct. 25, 2018 | MPWR | Restricted Stock Units [F3] | Common Stock (48,000) | — | — | 48,000 | Acquired |
| Feb. 7, 2017 | MPWR | Performance Shares | Common Stock (4,876) | — | — | 4,876 | Disposed |
| Oct. 28, 2016 | MPWR | Performance Shares | Common Stock (14,628) | — | — | 14,628 | Disposed |
| Dec. 31, 2015 | MPWR | Performance Shares | Common Stock | — | — | 75,678 | Acquired |
| Dec. 17, 2015 | MPWR | Performance Shares | Common Stock (43,200) | — | — | 43,200 | Disposed |
| June 11, 2015 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (3,999) | $8.90 | June 15, 2015 | 3,999 | Disposed |
| June 11, 2015 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (4,235) | $15.03 | Oct. 28, 2015 | 4,235 | Disposed |
| March 18, 2015 | MPWR | Performance Shares | Common Stock (43,200) | — | — | 43,200 | Disposed |
| Feb. 5, 2015 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (1,103) | $14.89 | Feb. 8, 2015 | 1,103 | Disposed |
| Feb. 3, 2015 | MPWR | Performance Shares | Common Stock (43,200) | — | — | 43,200 | Disposed |
| Nov. 21, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (10,000) | — | Oct. 28, 2015 | 10,000 | Disposed |
| Oct. 21, 2014 | MPWR | Performance Shares | Common Stock (43,200) | — | — | 43,200 | Disposed |
| July 29, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (2,682) | $17.92 | Aug. 3, 2014 | 2,682 | Disposed |
| July 22, 2014 | MPWR | Performance Shares | Common Stock (43,200) | — | — | 43,200 | Disposed |
| June 17, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (12,700) | — | Oct. 28, 2015 | 12,700 | Disposed |
| June 12, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (3,200) | — | Oct. 28, 2015 | 3,200 | Disposed |
| June 11, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (4,100) | — | Oct. 28, 2015 | 4,100 | Disposed |
| June 6, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (9,987) | — | Oct. 28, 2015 | 9,987 | Disposed |
| June 5, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (5,013) | — | Oct. 28, 2015 | 5,013 | Disposed |
| March 18, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (45,000) | — | Oct. 28, 2015 | 45,000 | Disposed |
| Dec. 14, 2013 | MPWR | Performance Shares [F7] | Common Stock | — | — | 216,000 | Acquired |
| Dec. 14, 2013 | MPWR | Performance Shares | Common Stock (216,000) | — | — | 43,200 | Acquired |
| Nov. 13, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (20,000) | — | Aug. 3, 2014 | 20,000 | Disposed |
| Oct. 25, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (18,788) | — | June 15, 2015 | 18,788 | Disposed |
| Oct. 4, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (27,000) | — | Aug. 3, 2014 | 27,000 | Disposed |
| Sept. 24, 2013 | MPWR | Incentive Stock Option (right to buy) | Common Stock (1,900) | — | June 15, 2015 | 1,900 | Disposed |
| Sept. 24, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (10,000) | — | June 15, 2015 | 10,000 | Disposed |
| Sept. 24, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (23,450) | — | Feb. 8, 2015 | 23,450 | Disposed |
| Sept. 24, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (10,000) | — | Aug. 3, 2014 | 10,000 | Disposed |
| Sept. 23, 2013 | MPWR | Incentive Stock Option (right to buy) | Common Stock (18,417) | — | June 15, 2015 | 18,417 | Disposed |
| May 20, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (1,882) | $11.31 | Oct. 26, 2013 | 1,882 | Disposed |
| May 20, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (40,000) | $11.85 | Oct. 26, 2013 | 40,000 | Disposed |
| April 4, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (35,895) | — | June 15, 2015 | 35,895 | Disposed |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (956) | $8.90 | June 15, 2015 | 956 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (3,043) | $8.90 | June 15, 2015 | 3,043 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (1,882) | $11.31 | Oct. 26, 2016 | 1,882 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (1,103) | $14.89 | Feb. 8, 2015 | 1,103 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (4,235) | $15.03 | Oct. 28, 2015 | 4,235 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (2,682) | $17.92 | Aug. 3, 2014 | 2,682 | Acquired |
| April 30, 2010 | MPWR | Incentive Stock Option (right to buy) | Common Stock (10,000) | $1.20 | Sept. 11, 2013 | 10,000 | Disposed |
| April 13, 2010 | MPWR | Incentive Stock Option (right to buy) | Common Stock (20,000) | $1.20 | Sept. 11, 2013 | 20,000 | Disposed |
| April 1, 2010 | MPWR | Incentive Stock Option (right to buy) | Common Stock (16,300) | $7.77 | Jan. 26, 2015 | 16,300 | Disposed |
| March 31, 2010 | MPWR | Incentive Stock Option (right to buy) | Common Stock (4,906) | $7.77 | Jan. 26, 2015 | 4,906 | Disposed |
| March 29, 2010 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (2,794) | $7.77 | Jan. 26, 2015 | 2,794 | Disposed |
| Dec. 31, 2009 | MPWR | Incentive Stock Option (right to buy) | Common Stock (6,776) | $1.20 | July 17, 2012 | 6,776 | Disposed |
| Dec. 31, 2009 | MPWR | Incentive Stock Option (right to buy) | Common Stock (30,000) | $1.20 | Sept. 11, 2013 | 30,000 | Disposed |
| Oct. 28, 2008 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (90,000) | $15.74 | Oct. 28, 2015 | 90,000 | Acquired |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (7,100) | $1.20 | July 17, 2012 | 7,100 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (400) | $1.20 | July 17, 2012 | 400 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (100) | $1.20 | July 17, 2012 | 100 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (200) | $1.20 | July 17, 2012 | 200 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (300) | $1.20 | July 17, 2012 | 300 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (3,700) | $1.20 | July 17, 2012 | 3,700 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (600) | $1.20 | July 17, 2012 | 600 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (700) | $1.20 | July 17, 2012 | 700 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (1,400) | $1.20 | July 17, 2012 | 1,400 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (800) | $1.20 | July 17, 2012 | 800 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (1,900) | $1.20 | July 17, 2012 | 1,900 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (1,400) | $1.20 | July 17, 2012 | 1,400 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (300) | $1.20 | July 17, 2012 | 300 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (1,000) | $1.20 | July 17, 2012 | 1,000 | Disposed |
| Aug. 7, 2008 | MPWR | Incentive Stock Option (right to buy) | Common Stock (100) | $1.20 | July 17, 2012 | 100 | Disposed |
| May 21, 2008 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $9.32 | June 15, 2015 | 15,000 | Disposed |
| Feb. 8, 2008 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (23,450) | $15.60 | Feb. 8, 2015 | 23,450 | Acquired |
| Nov. 9, 2007 | MPWR | Incentive Stock Option (right to buy) | Common Stock (30,000) | $1.20 | July 17, 2012 | 30,000 | Disposed |
| Nov. 8, 2007 | MPWR | Incentive Stock Option (right to buy) | Common Stock (13,120) | $1.20 | July 17, 2012 | 13,120 | Disposed |
| Nov. 7, 2007 | MPWR | Incentive Stock Option (right to buy) | Common Stock (7,700) | $1.20 | July 17, 2012 | 7,700 | Disposed |
| Nov. 5, 2007 | MPWR | Incentive Stock Option (right to buy) | Common Stock (3,000) | $1.20 | July 17, 2012 | 3,000 | Disposed |
| Nov. 2, 2007 | MPWR | Incentive Stock Option (right to buy) | Common Stock (1,404) | $1.20 | July 17, 2012 | 1,404 | Disposed |
| Aug. 3, 2007 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (57,000) | $18.77 | Aug. 3, 2014 | 57,000 | Acquired |
| Oct. 26, 2006 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (40,000) | $11.85 | Oct. 26, 2013 | 40,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 1, 2006 | MPWR | Common Stock | 17,762 | Direct |
| May 1, 2006 | MPWR | Common Stock | 257,574 | Indirect |
| May 1, 2006 | MPWR | Common Stock | 42,647 | Indirect |
| May 1, 2006 | MPWR | Common Stock | 42,647 | Indirect |
| May 1, 2006 | MPWR | Incentive Stock Option (right to buy)→ Common Stock (82,000) | 82,000 | Direct |
| May 1, 2006 | MPWR | Incentive Stock Option (right to buy)→ Common Stock (60,000) | 60,000 | Direct |
| May 1, 2006 | MPWR | Incentive Stock Option (right to buy)→ Common Stock (21,206) | 21,206 | Direct |
| May 1, 2006 | MPWR | Incentive Stock Option (right to buy)→ Common Stock (20,317) | 20,317 | Direct |
| May 1, 2006 | MPWR | Non-Qualified Stock Option (right to buy)→ Common Stock (2,794) | 2,794 | Direct |
| May 1, 2006 | MPWR | Non-Qualified Stock Option (right to buy)→ Common Stock (79,683) | 79,683 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $536,100 | — | $5,222,429 | — | $3,229,200 | — | $4,295 | $8,992,024 |
| 2024 | $510,642 | — | $5,050,493 | — | $2,979,236 | — | $1,035 | $8,541,406 |
| 2023 | $434,296 | — | $5,144,271 | — | $796,314 | — | — | $6,374,881 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.