Xiao Deming
SEC CIK 1308647 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| MPWR | Monolithic Power Systems | Pres. of MPS Asia Ops | 206.0K | — | $224.49M | 79 | 2021-07-01 | 2026-05-06 |
Most active insiders at MPWR, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Hsing Michael | CEO, Dir | — | $314.44M |
| 2 | Tseng Saria | EVP, GC | — | $150.90M |
| 3 | Sciammas Maurice | EVP, WW Sales, Marketing | — | $101.39M |
| 4 | Xiao Deming | EVP, Gbl Ops | — | $76.43M |
| 5 | BLEGEN THEODORE | EVP, CFO | — | $40.19M |
| 6 | Elmiger Eugen J | Dir | — | $19.02M |
| 7 | Zhou Jeff | Dir | — | $3.25M |
| 8 | Lee Victor K | Dir | — | $2.00M |
| 9 | Wynne Eileen | Dir | — | $530.2K |
| 10 | CHANG KUO WEI HERBERT | Dir | — | $312.2K |
Transactions 79
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-05-08 18:15 | 2026-05-06 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $1,654.55 | -30.0K | 206.0K | -13% | -$49.64M |
| 2026-02-10 | 2026-02-06 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $1,171.16 | -22.9K | 235.9K | -9% | -$26.79M | |
| 2026-02-05 | 2026-02-03 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | A - Grant | $0.00 | +57.2K | 258.8K | +28% | $0 | |
| 2025-10-31 | 2025-10-30 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | F - Tax | $1,096.63 | -54.5K | 201.6K | -21% | -$59.81M | |
| 2025-10-28 | 2025-10-25 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | A - Grant | $0.00 | +135.5K | 256.2K | +112% | $0 | |
| 2025-08-12 | 2025-08-11 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | G - Gift | $0.00 | -945 | 120.7K | -0.8% | $0 | |
| I | 2025-08-12 | 2025-08-11 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | G - Gift | $0.00 | +945 | 4,336 | +28% | $0 |
| 2025-08-04 | 2025-08-01 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $780.00 | -40.0K | 121.6K | -25% | -$31.20M | |
| 2025-02-12 | 2025-02-10 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $717.10 | -662 | 161.6K | -0.4% | -$474.7K | |
| 2024-11-13 | 2024-11-08 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $765.14 | -866 | 162.2K | -0.5% | -$662.6K | |
| I | 2024-08-29 | 2024-08-27 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $950.00 | -9,259 | 20.5K | -31% | -$8.80M |
| 2024-08-22 | 2024-08-22 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | G - Gift | $0.00 | -8,968 | 163.1K | -5% | $0 | |
| I | 2024-08-22 | 2024-08-22 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $950.00 | -10.0K | 29.7K | -25% | -$9.50M |
| I | 2024-08-22 | 2024-08-22 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | G - Gift | $0.00 | +8,968 | 39.7K | +29% | $0 |
| I | 2024-08-21 | 2024-08-19 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | G - Gift | $0.00 | +30.3K | 30.7K | +6,657% | $0 |
| 2024-08-21 | 2024-08-19 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | G - Gift | $0.00 | -30.3K | 172.1K | -15% | $0 | |
| 2024-08-12 | 2024-08-08 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $778.39 | -859 | 202.4K | -0.4% | -$668.6K | |
| 2024-07-24 | 2024-07-22 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $831.58 | -3,205 | 203.2K | -2% | -$2.67M | |
| 2024-05-22 | 2024-05-22 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $769.40 | -1,300 | 206.4K | -0.6% | -$1.00M | |
| 2024-05-10 | 2024-05-10 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | G - Gift | $0.00 | -29 | 207.7K | -0.0% | $0 | |
| 2024-05-09 | 2024-05-08 | MPWR | Monolithic Power Systems | Xiao Deming | EVP, Gbl Ops | S - Sale | $690.02 | -869 | 207.7K | -0.4% | -$599.6K | |
| 2024-02-09 | 2024-02-08 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $680.00 | -859 | 208.6K | -0.4% | -$584.1K | |
| 2024-02-07 | 2024-02-05 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $641.00 | -982 | 209.4K | -0.5% | -$629.5K | |
| M | 2024-01-11 | 2024-01-10 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $589.35 | -11.5K | 220.7K | -5% | -$6.79M |
| 2024-01-08 | 2024-01-04 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $583.14 | -25.3K | 221.9K | -10% | -$14.76M | |
| 2023-11-16 | 2023-11-14 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | G - Gift | $0.00 | -3,391 | 247.2K | -1% | $0 | |
| I | 2023-11-16 | 2023-11-14 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | G - Gift | $0.00 | +3,391 | 3,391 | New | $0 |
| 2023-11-09 | 2023-11-08 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $490.39 | -859 | 250.6K | -0.3% | -$421.2K | |
| 2023-11-07 | 2023-11-06 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $492.92 | -982 | 251.5K | -0.4% | -$484.0K | |
| 2023-10-04 | 2023-10-02 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $458.30 | -4,305 | 252.5K | -2% | -$1.97M | |
| 2023-08-10 | 2023-08-08 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $530.26 | -874 | 256.8K | -0.3% | -$463.4K | |
| 2023-08-07 | 2023-08-04 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $526.53 | -988 | 257.6K | -0.4% | -$520.2K | |
| 2023-07-25 | 2023-07-21 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $534.23 | -9,615 | 258.6K | -4% | -$5.14M | |
| 2023-07-05 | 2023-07-03 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $537.79 | -4,305 | 268.2K | -2% | -$2.32M | |
| 2023-05-10 | 2023-05-09 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $409.79 | -857 | 272.6K | -0.3% | -$351.2K | |
| 2023-05-05 | 2023-05-04 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $459.60 | -991 | 273.4K | -0.4% | -$455.5K | |
| 2023-05-04 | 2023-05-02 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | A - Grant | $0.00 | +8,685 | 277.9K | +3% | $0 | |
| 2023-05-04 | 2023-05-03 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $463.55 | -3,462 | 274.4K | -1% | -$1.60M | |
| 2023-04-06 | 2023-04-03 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $487.99 | -4,360 | 269.2K | -2% | -$2.13M | |
| 2023-02-17 | 2023-02-15 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $530.00 | -1,497 | 273.5K | -0.5% | -$793.4K | |
| 2023-02-13 | 2023-02-13 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $492.31 | -1,639 | 275.0K | -0.6% | -$806.9K | |
| 2023-02-10 | 2023-02-09 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $520.00 | -2,129 | 276.6K | -0.8% | -$1.11M | |
| 2023-02-10 | 2023-02-08 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $462.41 | -6,922 | 278.8K | -2% | -$3.20M | |
| 2023-02-08 | 2023-02-07 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | A - Grant | $0.00 | +34.7K | 285.7K | +14% | $0 | |
| 2023-02-08 | 2023-02-06 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $446.88 | -723 | 251.0K | -0.3% | -$323.1K | |
| 2023-01-25 | 2023-01-24 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $430.00 | -10.2K | 251.7K | -4% | -$4.40M | |
| 2023-01-17 | 2023-01-12 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $400.00 | -2,980 | 261.9K | -1% | -$1.19M | |
| 2023-01-05 | 2023-01-03 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $344.96 | -5,528 | 264.9K | -2% | -$1.91M | |
| M | 2022-11-16 | 2022-11-14+ | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $401.92 | -3,762 | 270.4K | -1% | -$1.51M |
| 2022-11-07 | 2022-11-04 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $343.98 | -982 | 274.2K | -0.4% | -$337.8K | |
| 2022-10-04 | 2022-08-15 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | J - Other | $414.43 | +20 | 279.5K | +0.0% | +$8,289 | |
| 2022-10-04 | 2022-10-03 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $372.60 | -4,305 | 275.2K | -2% | -$1.60M | |
| 2022-08-12 | 2022-08-12 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $525.95 | -1,633 | 279.5K | -0.6% | -$858.9K | |
| 2022-08-08 | 2022-08-04 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $522.39 | -984 | 281.1K | -0.3% | -$514.0K | |
| 2022-07-06 | 2022-07-01 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $361.58 | -4,515 | 282.1K | -2% | -$1.63M | |
| 2022-05-31 | 2022-05-27 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $457.00 | -1,495 | 286.6K | -0.5% | -$683.2K | |
| 2022-05-26 | 2022-05-24 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $392.44 | -4,298 | 288.1K | -1% | -$1.69M | |
| 2022-05-16 | 2022-05-12 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $388.10 | -1,679 | 292.4K | -0.6% | -$651.6K | |
| 2022-05-05 | 2022-05-06 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $453.16 | -986 | 294.1K | -0.3% | -$446.8K | |
| 2022-04-05 | 2022-02-16 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | G - Gift | $0.00 | -42 | 299.5K | -0.0% | $0 | |
| 2022-04-05 | 2022-04-01 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $467.23 | -4,420 | 295.0K | -1% | -$2.07M | |
| 2022-02-16 | 2022-02-14 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $429.60 | -1,663 | 299.5K | -0.6% | -$714.4K | |
| M | 2022-02-09 | 2022-02-07+ | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $399.62 | -9,093 | 301.1K | -3% | -$3.63M |
| 2022-02-04 | 2022-02-03 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | A - Grant | $0.00 | +39.7K | 310.2K | +15% | $0 | |
| 2022-01-05 | 2022-01-03 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $490.87 | -4,305 | 270.5K | -2% | -$2.11M | |
| 2021-12-02 | 2021-11-30 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $560.00 | -4,366 | 274.8K | -2% | -$2.44M | |
| 2021-11-23 | 2021-11-22 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $580.00 | -427 | 279.2K | -0.2% | -$247.7K | |
| 2021-11-16 | 2021-11-12 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $553.42 | -1,625 | 279.6K | -0.6% | -$899.3K | |
| 2021-11-10 | 2021-11-08 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $548.27 | -2,022 | 281.3K | -0.7% | -$1.11M | |
| 2021-10-05 | 2021-10-01 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | D - Sale to Iss | $476.16 | -4,330 | 283.3K | -2% | -$2.06M | |
| 2021-08-30 | 2021-08-30 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $500.00 | -4,886 | 287.6K | -2% | -$2.44M | |
| 2021-08-26 | 2021-08-26 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $489.00 | -6,495 | 292.5K | -2% | -$3.18M | |
| 2021-08-23 | 2021-08-19 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $462.00 | -4,739 | 299.0K | -2% | -$2.19M | |
| 2021-08-23 | 2021-08-16 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | J - Other | $323.24 | +29 | 303.7K | +0.0% | +$9,374 | |
| 2021-08-16 | 2021-08-12 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $457.10 | -1,651 | 303.7K | -0.5% | -$754.7K | |
| 2021-08-11 | 2021-08-09 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $459.12 | -2,053 | 305.3K | -0.7% | -$942.6K | |
| M | 2021-08-04 | 2021-08-02 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $455.09 | -6,495 | 308.8K | -2% | -$2.96M |
| 2021-07-06 | 2021-07-06 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $380.00 | -7,734 | 309.0K | -2% | -$2.94M | |
| 2021-07-06 | 2021-07-01 | MPWR | Monolithic Power Systems | Xiao Deming | Pres. of MPS Asia Ops | S - Sale | $370.45 | -4,305 | 316.8K | -1% | -$1.59M |
Purchase Sale Sale after option exercise All abbreviations