CHANG KUO WEI HERBERT
SEC CIK 1192171 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| MPWR | Monolithic Power Systems | Dir | 515 | — | $1.83M | 20 | 2022-02-08 | 2026-08-24 |
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 20
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-25 19:13 | 2026-08-24 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $1,281.57 | -50 | 515 | -9% | -$64.1K | |
| 2026-08-13 17:23 | 2026-08-11 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $1,420.00 | -50 | 565 | -8% | -$71.0K | |
| 2026-02-05 | 2026-02-03 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | A - Grant | $0.00 | +189 | 615 | +44% | $0 | |
| 2025-11-25 | 2025-11-25 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $896.97 | -100 | 426 | -19% | -$89.7K | |
| 2025-11-24 | 2025-11-21 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $873.97 | -100 | 526 | -16% | -$87.4K | |
| 2025-05-13 | 2025-05-13 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $738.00 | -50 | 626 | -7% | -$36.9K | |
| 2025-05-12 | 2025-05-12 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $698.00 | -100 | 676 | -13% | -$69.8K | |
| 2025-05-09 | 2025-05-08 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $650.00 | -100 | 776 | -11% | -$65.0K | |
| 2025-02-06 | 2025-02-04 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | A - Grant | $0.00 | +335 | 876 | +62% | $0 | |
| M | 2024-08-15 | 2024-08-15 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $893.44 | -200 | 641 | -24% | -$178.7K |
| 2024-05-22 | 2024-05-20 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $750.00 | -200 | 741 | -21% | -$150.0K | |
| M | 2024-05-15 | 2024-05-15 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $735.00 | -200 | 1,041 | -16% | -$147.0K |
| 2024-02-29 | 2024-02-29 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $706.34 | -250 | 1,141 | -18% | -$176.6K | |
| 2024-02-23 | 2024-02-22 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $750.00 | -250 | 1,391 | -15% | -$187.5K | |
| 2024-02-08 | 2024-02-06 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | A - Grant | $0.00 | +348 | 1,641 | +27% | $0 | |
| 2023-11-15 | 2023-11-14 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $523.64 | -400 | 1,293 | -24% | -$209.5K | |
| 2023-11-13 | 2023-11-13 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $510.00 | -100 | 1,693 | -6% | -$51.0K | |
| 2023-08-29 | 2023-08-29 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | S - Sale | $500.00 | -500 | 1,793 | -22% | -$250.0K | |
| 2023-02-08 | 2023-02-07 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | A - Grant | $0.00 | +470 | 2,293 | +26% | $0 | |
| 2022-02-09 | 2022-02-08 | MPWR | Monolithic Power Systems | CHANG KUO WEI HERBERT | Dir | A - Grant | $0.00 | +542 | 2,356 | +30% | $0 |
Purchase Sale Sale after option exercise All abbreviations