Saria Tseng
Insider
First SEC filing: Feb. 10, 2010 · Latest: Feb. 10, 2010
Insider at
Insider transactions
0 buys (P)
66 sells (S)
Net: $-150,896,739
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 31, 2026 | MPWR | G | 2,000 | · | · | 142,218 Direct | -1.39% | Disposed | (price as of 2026-10-02) |
| Aug. 31, 2026 | MPWR | G | 2,000 | · | · | 2,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 27, 2026 | MPWR | S | 7,565 | $1700.00 | $12,860,500 | 144,218 Direct | -4.98% | Disposed | -15.3% (price as of 2026-10-02) |
| May 22, 2026 | MPWR | S | 5,000 | $1586.43 | $7,932,150 | 151,783 Direct | -3.19% | Disposed | -9.2% (price as of 2026-10-02) |
| May 22, 2026 | MPWR | G | 200 | · | · | 156,783 Direct | -0.13% | Disposed | (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 120 | $1321.94 | $158,633 | 156,983 Direct | -0.08% | Disposed | 8.9% (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 840 | $1319.25 | $1,108,170 | 157,103 Direct | -0.53% | Disposed | 9.1% (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 4,244 | $1312.82 | $5,571,608 | 157,943 Direct | -2.62% | Disposed | 9.7% (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 1,279 | $1308.30 | $1,673,316 | 162,187 Direct | -0.78% | Disposed | 10.0% (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 800 | $1302.52 | $1,042,016 | 163,466 Direct | -0.49% | Disposed | 10.5% (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 400 | $1292.08 | $516,832 | 164,266 Direct | -0.24% | Disposed | 11.4% (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 120 | $1287.12 | $154,454 | 164,666 Direct | -0.07% | Disposed | 11.9% (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 240 | $1279.55 | $307,092 | 164,786 Direct | -0.15% | Disposed | 12.5% (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 360 | $1270.29 | $457,304 | 165,026 Direct | -0.22% | Disposed | 13.3% (price as of 2026-10-02) |
| April 8, 2026 | MPWR | S 10b5-1 | 560 | $1266.48 | $709,229 | 165,386 Direct | -0.34% | Disposed | 13.7% (price as of 2026-10-02) |
| April 6, 2026 | MPWR | S 10b5-1 | 1,396 | $1179.50 | $1,646,582 | 165,946 Direct | -0.83% | Disposed | 22.1% (price as of 2026-10-02) |
| April 6, 2026 | MPWR | S 10b5-1 | 1,680 | $1176.35 | $1,976,268 | 167,342 Direct | -0.99% | Disposed | 22.4% (price as of 2026-10-02) |
| April 6, 2026 | MPWR | S 10b5-1 | 2,036 | $1170.38 | $2,382,894 | 169,022 Direct | -1.19% | Disposed | 23.0% (price as of 2026-10-02) |
| April 6, 2026 | MPWR | S 10b5-1 | 684 | $1165.66 | $797,311 | 171,058 Direct | -0.40% | Disposed | 23.5% (price as of 2026-10-02) |
| April 6, 2026 | MPWR | S 10b5-1 | 560 | $1159.62 | $649,387 | 171,742 Direct | -0.33% | Disposed | 24.2% (price as of 2026-10-02) |
| April 6, 2026 | MPWR | S 10b5-1 | 480 | $1149.05 | $551,544 | 172,302 Direct | -0.28% | Disposed | 25.3% (price as of 2026-10-02) |
| April 6, 2026 | MPWR | S 10b5-1 | 556 | $1144.42 | $636,298 | 172,782 Direct | -0.32% | Disposed | 25.8% (price as of 2026-10-02) |
| April 6, 2026 | MPWR | S 10b5-1 | 244 | $1139.96 | $278,150 | 173,338 Direct | -0.14% | Disposed | 26.3% (price as of 2026-10-02) |
| April 1, 2026 | MPWR | S 10b5-1 | 292 | $1136.99 | $332,001 | 173,582 Direct | -0.17% | Disposed | 26.6% (price as of 2026-10-02) |
| April 1, 2026 | MPWR | S 10b5-1 | 188 | $1135.91 | $213,551 | 173,874 Direct | -0.11% | Disposed | 26.7% (price as of 2026-10-02) |
| April 1, 2026 | MPWR | S 10b5-1 | 160 | $1134.14 | $181,462 | 174,062 Direct | -0.09% | Disposed | 26.9% (price as of 2026-10-02) |
| April 1, 2026 | MPWR | S 10b5-1 | 184 | $1132.15 | $208,316 | 174,222 Direct | -0.11% | Disposed | 27.2% (price as of 2026-10-02) |
| April 1, 2026 | MPWR | S 10b5-1 | 576 | $1131.24 | $651,594 | 174,406 Direct | -0.33% | Disposed | 27.3% (price as of 2026-10-02) |
| March 30, 2026 | MPWR | S 10b5-1 | 80 | $1041.12 | $83,290 | 174,982 Direct | -0.05% | Disposed | 38.3% (price as of 2026-10-02) |
| March 30, 2026 | MPWR | S 10b5-1 | 166 | $1035.60 | $171,910 | 175,062 Direct | -0.09% | Disposed | 39.0% (price as of 2026-10-02) |
| March 30, 2026 | MPWR | S 10b5-1 | 2,440 | $1029.21 | $2,511,272 | 175,228 Direct | -1.37% | Disposed | 39.9% (price as of 2026-10-02) |
| March 30, 2026 | MPWR | S 10b5-1 | 2,200 | $1023.00 | $2,250,600 | 177,668 Direct | -1.22% | Disposed | 40.7% (price as of 2026-10-02) |
| March 30, 2026 | MPWR | S 10b5-1 | 3,194 | $1017.22 | $3,249,001 | 179,868 Direct | -1.74% | Disposed | 41.5% (price as of 2026-10-02) |
| March 30, 2026 | MPWR | S 10b5-1 | 3,360 | $1009.63 | $3,392,357 | 183,062 Direct | -1.80% | Disposed | 42.6% (price as of 2026-10-02) |
| March 30, 2026 | MPWR | S 10b5-1 | 9,080 | $1005.18 | $9,127,034 | 186,422 Direct | -4.64% | Disposed | 43.2% (price as of 2026-10-02) |
| March 30, 2026 | MPWR | S 10b5-1 | 5,154 | $1000.81 | $5,158,175 | 195,502 Direct | -2.57% | Disposed | 43.9% (price as of 2026-10-02) |
| Feb. 6, 2026 | MPWR | S | 22,875 | $1171.16 | $26,790,285 | 200,626 Direct | -10.23% | Disposed | 22.9% (price as of 2026-10-02) |
| Feb. 3, 2026 | MPWR | A | 57,170 | · | · | 223,501 Direct | +34.37% | Acquired | (price as of 2026-10-02) |
| Dec. 24, 2025 | MPWR | G | 1,000 | · | · | 1,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 24, 2025 | MPWR | G | 1,000 | · | · | 166,331 Direct | -0.60% | Disposed | (price as of 2026-10-02) |
| Nov. 26, 2025 | MPWR | S | 680 | $930.48 | $632,726 | 167,331 Direct | -0.40% | Disposed | 54.7% (price as of 2026-10-02) |
| Nov. 26, 2025 | MPWR | S | 2,238 | $929.29 | $2,079,751 | 168,011 Direct | -1.31% | Disposed | 54.9% (price as of 2026-10-02) |
| Nov. 26, 2025 | MPWR | S | 984 | $928.60 | $913,742 | 170,249 Direct | -0.57% | Disposed | 55.0% (price as of 2026-10-02) |
| Nov. 26, 2025 | MPWR | S | 1,845 | $927.41 | $1,711,071 | 171,233 Direct | -1.07% | Disposed | 55.2% (price as of 2026-10-02) |
| Nov. 26, 2025 | MPWR | S | 10,360 | $926.02 | $9,593,567 | 173,078 Direct | -5.65% | Disposed | 55.5% (price as of 2026-10-02) |
| Nov. 26, 2025 | MPWR | S | 1,126 | $925.55 | $1,042,169 | 183,438 Direct | -0.61% | Disposed | 55.6% (price as of 2026-10-02) |
| Nov. 26, 2025 | MPWR | S | 1,327 | $924.32 | $1,226,573 | 184,564 Direct | -0.71% | Disposed | 55.8% (price as of 2026-10-02) |
| Nov. 26, 2025 | MPWR | S | 1,200 | $923.54 | $1,108,248 | 185,891 Direct | -0.64% | Disposed | 55.9% (price as of 2026-10-02) |
| Nov. 26, 2025 | MPWR | S | 240 | $922.78 | $221,467 | 187,091 Direct | -0.13% | Disposed | 56.0% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 346 | $900.41 | $311,542 | 201,690 Direct | -0.17% | Disposed | 59.9% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 320 | $899.37 | $287,798 | 202,036 Direct | -0.16% | Disposed | 60.1% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 145 | $898.38 | $130,265 | 202,356 Direct | -0.07% | Disposed | 60.3% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 754 | $897.54 | $676,745 | 202,501 Direct | -0.37% | Disposed | 60.4% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 2,066 | $896.37 | $1,851,900 | 203,255 Direct | -1.01% | Disposed | 60.6% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 1,625 | $895.63 | $1,455,399 | 205,321 Direct | -0.79% | Disposed | 60.8% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 385 | $894.54 | $344,398 | 206,946 Direct | -0.19% | Disposed | 60.9% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 880 | $901.58 | $793,390 | 200,810 Direct | -0.44% | Disposed | 59.7% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 120 | $902.07 | $108,248 | 200,690 Direct | -0.06% | Disposed | 59.6% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 160 | $903.54 | $144,566 | 200,530 Direct | -0.08% | Disposed | 59.3% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 200 | $904.39 | $180,878 | 200,330 Direct | -0.10% | Disposed | 59.2% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 160 | $905.32 | $144,851 | 200,170 Direct | -0.08% | Disposed | 59.0% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 272 | $906.33 | $246,522 | 199,898 Direct | -0.14% | Disposed | 58.9% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 10,200 | $907.21 | $9,253,542 | 189,698 Direct | -5.10% | Disposed | 58.7% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 888 | $908.49 | $806,739 | 188,810 Direct | -0.47% | Disposed | 58.5% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 556 | $909.35 | $505,599 | 188,254 Direct | -0.29% | Disposed | 58.3% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 359 | $910.42 | $326,841 | 187,895 Direct | -0.19% | Disposed | 58.1% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 324 | $911.92 | $295,462 | 187,571 Direct | -0.17% | Disposed | 57.9% (price as of 2026-10-02) |
| Nov. 25, 2025 | MPWR | S | 240 | $912.30 | $218,952 | 187,331 Direct | -0.13% | Disposed | 57.8% (price as of 2026-10-02) |
| Oct. 30, 2025 | MPWR | F | 54,543 | $1096.63 | $59,813,490 | 207,331 Direct | -20.83% | Disposed | 31.3% (price as of 2026-10-02) |
| Oct. 25, 2025 | MPWR | A | 135,520 | · | · | 261,874 Direct | +107.25% | Acquired | (price as of 2026-10-02) |
| Oct. 24, 2025 | MPWR | S 10b5-1 | 1,300 | $1087.62 | $1,413,906 | 126,354 Direct | -1.02% | Disposed | 32.4% (price as of 2026-10-02) |
| Oct. 16, 2025 | MPWR | S 10b5-1 | 1,313 | $1030.81 | $1,353,454 | 127,654 Direct | -1.02% | Disposed | 39.7% (price as of 2026-10-02) |
| Oct. 16, 2025 | MPWR | S 10b5-1 | 1,499 | $1021.26 | $1,530,869 | 128,967 Direct | -1.15% | Disposed | 41.0% (price as of 2026-10-02) |
| Oct. 15, 2025 | MPWR | S 10b5-1 | 14,028 | $1016.18 | $14,254,973 | 130,466 Direct | -9.71% | Disposed | 41.7% (price as of 2026-10-02) |
| Sept. 18, 2025 | MPWR | S 10b5-1 | 14,510 | $914.45 | $13,268,670 | 144,494 Direct | -9.13% | Disposed | 57.4% (price as of 2026-10-02) |
| Feb. 10, 2025 | MPWR | S | 663 | $717.10 | $475,437 | 158,977 Direct | -0.42% | Disposed | 100.8% (price as of 2026-10-02) |
| Nov. 8, 2024 | MPWR | S | 866 | $765.14 | $662,611 | 159,640 Direct | -0.54% | Disposed | 88.2% (price as of 2026-10-02) |
| Aug. 8, 2024 | MPWR | S | 859 | $778.39 | $668,637 | 160,506 Direct | -0.53% | Disposed | 85.0% (price as of 2026-10-02) |
| July 22, 2024 | MPWR | S | 3,205 | $831.58 | $2,665,214 | 161,365 Direct | -1.95% | Disposed | 73.1% (price as of 2026-10-02) |
| July 2, 2024 | MPWR | S | 1,858 | $824.65 | $1,532,200 | 164,570 Direct | -1.12% | Disposed | 74.6% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 2,656 | $816.34 | $2,168,199 | 166,428 Direct | -1.57% | Disposed | 76.4% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 2,100 | $812.65 | $1,706,565 | 169,084 Direct | -1.23% | Disposed | 77.2% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 1,422 | $811.82 | $1,154,408 | 171,184 Direct | -0.82% | Disposed | 77.3% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 1,198 | $810.34 | $970,787 | 172,606 Direct | -0.69% | Disposed | 77.7% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 4,703 | $809.45 | $3,806,843 | 173,804 Direct | -2.63% | Disposed | 77.9% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 2,815 | $808.61 | $2,276,237 | 178,507 Direct | -1.55% | Disposed | 78.0% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 15,822 | $807.81 | $12,781,170 | 181,322 Direct | -8.03% | Disposed | 78.2% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 2,020 | $806.57 | $1,629,271 | 197,144 Direct | -1.01% | Disposed | 78.5% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 106 | $805.16 | $85,347 | 199,164 Direct | -0.05% | Disposed | 78.8% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 150 | $804.18 | $120,627 | 199,270 Direct | -0.08% | Disposed | 79.0% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 1,800 | $803.53 | $1,446,354 | 199,420 Direct | -0.89% | Disposed | 79.2% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 10 | $802.19 | $8,022 | 201,220 Direct | 0.00% | Disposed | 79.5% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 24 | $800.62 | $19,215 | 201,230 Direct | -0.01% | Disposed | 79.8% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 199 | $799.94 | $159,188 | 201,254 Direct | -0.10% | Disposed | 80.0% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 600 | $798.72 | $479,232 | 201,453 Direct | -0.30% | Disposed | 80.3% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 150 | $796.70 | $119,505 | 202,053 Direct | -0.07% | Disposed | 80.7% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 220 | $795.95 | $175,109 | 202,203 Direct | -0.11% | Disposed | 80.9% (price as of 2026-10-02) |
| July 1, 2024 | MPWR | S | 1,098 | $794.69 | $872,570 | 202,423 Direct | -0.54% | Disposed | 81.2% (price as of 2026-10-02) |
| May 8, 2024 | MPWR | S | 869 | $690.02 | $599,627 | 203,521 Direct | -0.43% | Disposed | 108.7% (price as of 2026-10-02) |
| Feb. 8, 2024 | MPWR | S | 859 | $680.00 | $584,120 | 204,339 Direct | -0.42% | Disposed | 111.7% (price as of 2026-10-02) |
Showing latest 100 of 568 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 |
|---|---|---|---|---|---|---|---|
| Aug. 3, 2021 | SMCIP | Restricted Stock Units | Common Stock | · | · | 5,807 | Acquired |
| June 30, 2021 | SMCIP | Restricted Stock Units | Common Stock | · | · | 8,289 | Disposed |
| May 10, 2021 | SMCIP | Restricted Stock Units | Common Stock | · | · | 21,600 | Disposed |
| Feb. 2, 2021 | MPWR | Performance Shares | Common Stock | · | · | 32,165 | Disposed |
| Aug. 21, 2020 | SMCIP | Restricted Stock Units | Common Stock | · | · | 8,289 | Acquired |
| July 21, 2020 | MPWR | Performance Shares [F1] | Common Stock | · | · | 32,165 | Acquired |
| March 27, 2020 | SMCIP | Stock Option (right to buy) | Common Stock | $20.37 | March 27, 2030 | 4,500 | Acquired |
| March 27, 2020 | SMCIP | Restricted Stock Units | Common Stock | · | · | 21,600 | Acquired |
| Feb. 4, 2020 | MPWR | Restricted Stock Units | Common Stock | · | · | 19,200 | Disposed |
| Oct. 22, 2019 | MPWR | Performance Shares | Common Stock | · | · | 23,338 | Disposed |
| Oct. 22, 2019 | MPWR | Restricted Stock Units | Common Stock | · | · | 9,600 | Disposed |
| July 23, 2019 | MPWR | Restricted Stock Units | Common Stock | · | · | 9,600 | Disposed |
| April 23, 2019 | MPWR | Restricted Stock Units | Common Stock | · | · | 9,600 | Disposed |
| Oct. 25, 2018 | MPWR | Performance Shares | Common Stock | · | · | 12,885 | Disposed |
| Oct. 25, 2018 | MPWR | Performance Shares | Common Stock | · | · | 15,075 | Disposed |
| Oct. 25, 2018 | MPWR | Restricted Stock Units [F3] | Common Stock | · | · | 48,000 | Acquired |
| March 1, 2017 | SMCIP | Stock Option (right to buy) | Common Stock | $26.60 | March 1, 2027 | 4,500 | Acquired |
| Feb. 7, 2017 | MPWR | Performance Shares | Common Stock | · | · | 4,876 | Disposed |
| Nov. 4, 2016 | SMCIP | Stock Option (right to buy) | Common Stock | $22.05 | Nov. 4, 2026 | 18,000 | Acquired |
| Oct. 28, 2016 | MPWR | Performance Shares | Common Stock | · | · | 14,628 | Disposed |
| Dec. 31, 2015 | MPWR | Performance Shares | Common Stock | · | · | 75,678 | Acquired |
| Dec. 17, 2015 | MPWR | Performance Shares | Common Stock | · | · | 43,200 | Disposed |
| March 18, 2015 | MPWR | Performance Shares | Common Stock | · | · | 43,200 | Disposed |
| Feb. 3, 2015 | MPWR | Performance Shares | Common Stock | · | · | 43,200 | Disposed |
| Oct. 21, 2014 | MPWR | Performance Shares | Common Stock | · | · | 43,200 | Disposed |
| July 22, 2014 | MPWR | Performance Shares | Common Stock | · | · | 43,200 | Disposed |
| Dec. 14, 2013 | MPWR | Performance Shares [F3] | Common Stock | · | · | 216,000 | Acquired |
| Dec. 14, 2013 | MPWR | Performance Shares | Common Stock | · | · | 43,200 | Acquired |
| July 12, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $7.64 | Nov. 17, 2014 | 563 | Disposed |
| July 12, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $12.42 | Oct. 22, 2015 | 941 | Disposed |
| July 12, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | · | Oct. 22, 2015 | 3,750 | Disposed |
| July 12, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $14.93 | Jan. 31, 2015 | 329 | Disposed |
| July 12, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $15.28 | July 27, 2014 | 884 | Disposed |
| July 12, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | · | Jan. 31, 2015 | 7,000 | Disposed |
| May 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | · | July 27, 2014 | 18,800 | Disposed |
| May 6, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $7.64 | Nov. 17, 2014 | 331 | Disposed |
| May 6, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | · | Nov. 17, 2014 | 1,340 | Disposed |
| May 6, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | · | Nov. 17, 2014 | 8,660 | Disposed |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $7.64 | Nov. 17, 2014 | 894 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $12.42 | Oct. 22, 2015 | 941 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $14.93 | Jan. 31, 2015 | 329 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $15.28 | July 27, 2014 | 884 | Acquired |
| Feb. 7, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $8.00 | Nov. 17, 2014 | 9,001 | Disposed |
| Feb. 7, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $13.01 | Oct. 22, 2015 | 16,250 | Disposed |
| Nov. 29, 2012 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $8.00 | Nov. 17, 2014 | 20,000 | Disposed |
| Feb. 28, 2012 | MPWR | Incentive Stock Option (right to buy) | Common Stock | $8.00 | Nov. 17, 2014 | 6,747 | Disposed |
| Feb. 28, 2012 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $8.00 | Nov. 17, 2014 | 10,000 | Disposed |
| April 30, 2010 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $16.00 | July 27, 2014 | 10,000 | Disposed |
| April 14, 2010 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $15.64 | Jan. 31, 2015 | 3,000 | Disposed |
| April 13, 2010 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $16.00 | July 27, 2014 | 1,400 | Disposed |
| March 25, 2010 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock | $16.00 | July 27, 2014 | 6,800 | Disposed |
| Nov. 7, 2005 | MPWR | Incentive Stock Option (right to buy) | Common Stock | $8.00 | Nov. 17, 2014 | 10,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 10, 2010 | MPWR | Common Stock | 15,138 | Direct |
| Feb. 10, 2010 | MPWR | Incentive Stock Option (right to buy) | 6,747 | Direct |
| Feb. 10, 2010 | MPWR | Non Qualified Stock Option (right to buy) | 49,001 | Direct |
| Feb. 10, 2010 | MPWR | Non Qualified Stock Option (right to buy) | 37,000 | Direct |
| Feb. 10, 2010 | MPWR | Non Qualified Stock Option (right to buy) | 10,000 | Direct |
| Feb. 10, 2010 | MPWR | Non Qualified Stock Option (right to buy) | 20,000 | Direct |
| Dec. 27, 2004 | MPWR | Stock Option (right to buy) | 150,000 | 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 | · | $6,880 | $8,994,609 |
| 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.