CHANG KUO WEI HERBERT
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to CHANG KUO WEI HERBERT. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| MPWR | Sale | 100 | $896.97 | $89,697 | Nov 25, 2025 | |
| MPWR | Sale | 100 | $873.97 | $87,397 | Nov 21, 2025 | |
| MPWR | Sale | 50 | $738.00 | $36,900 | May 13, 2025 | |
| MPWR | Sale | 100 | $698.00 | $69,800 | May 12, 2025 | |
| MPWR | Sale | 100 | $650.00 | $65,000 | May 8, 2025 | |
| MPWR | Award / Grant | 335 | — | — | Feb 4, 2025 | |
| MPWR | Sale | 100 | $888.88 | $88,888 | Aug 15, 2024 | |
| MPWR | Sale | 200 | $750.00 | $150,000 | May 20, 2024 | |
| MPWR | Sale | 100 | $730.00 | $73,000 | May 15, 2024 | |
| MPWR | Sale | 250 | $706.34 | $176,585 | Feb 29, 2024 | |
| MPWR | Sale | 250 | $750.00 | $187,500 | Feb 22, 2024 | |
| MPWR | Award / Grant | 348 | — | — | Feb 6, 2024 | |
| MPWR | Sale | 400 | $523.64 | $209,456 | Nov 14, 2023 | |
| MPWR | Sale | 100 | $510.00 | $51,000 | Nov 13, 2023 | |
| MPWR | Sale | 500 | $500.00 | $250,000 | Aug 29, 2023 | |
| MPWR | Award / Grant | 470 | — | — | Feb 7, 2023 | |
| MPWR | Award / Grant | 542 | — | — | Feb 8, 2022 | |
| MPWR | Sale | 300 | $370.00 | $111,000 | Feb 26, 2021 | |
| MPWR | Award / Grant | 533 | — | — | Feb 2, 2021 | |
| MPWR | Sale | 3,000 | $326.33 | $978,990 | Nov 4, 2020 | |
| MPWR | Sale | 1,300 | $268.00 | $348,400 | Aug 28, 2020 | |
| MPWR | Sale | 200 | $279.00 | $55,800 | Aug 12, 2020 | |
| MPWR | Sale | 100 | $283.00 | $28,300 | Aug 6, 2020 | |
| MPWR | Sale | 100 | $275.00 | $27,500 | Aug 5, 2020 | |
| MPWR | Sale | 2,000 | $212.00 | $424,000 | May 8, 2020 | |
| MPWR | Sale | 1,000 | $198.00 | $198,000 | May 5, 2020 | |
| MPWR | Sale | 1,000 | $192.00 | $192,000 | Feb 12, 2020 | |
| MPWR | Sale | 1,000 | $187.72 | $187,720 | Feb 11, 2020 | |
| MPWR | Award / Grant | 1,339 | — | — | Feb 11, 2019 | |
| MPWR | Award / Grant | 1,590 | — | — | Feb 7, 2018 | |
| MPWR | Award / Grant | 1,566 | — | — | Feb 7, 2017 | |
| MPWR | Award / Grant | 2,181 | — | — | Apr 28, 2016 | |
| MPWR | Award / Grant | 2,533 | — | — | Feb 9, 2015 | |
| MPWR | Sale | 7,254 | $36.06 | $261,579 | Feb 26, 2014 | |
| MPWR | Sale | 5,000 | $35.58 | $177,900 | Feb 24, 2014 | |
| MPWR | Award / Grant | 3,493 | — | — | Feb 11, 2014 | |
| MPWR | Sale | 8,000 | $33.33 | $266,640 | Nov 29, 2013 | |
| MPWR | Sale | 10,000 | $33.13 | $331,300 | Nov 11, 2013 | |
| MPWR | Sale | 2,257 | $32.00 | $72,224 | Nov 7, 2013 | |
| MPWR | Sale | 6,000 | $29.05 | $174,300 | Aug 28, 2013 | |
| MPWR | Sale | 4,000 | $29.03 | $116,120 | Aug 26, 2013 | |
| MPWR | Sale | 8,000 | $29.30 | $234,400 | Aug 15, 2013 | |
| MPWR | Sale | 7,108 | $29.28 | $208,122 | Aug 12, 2013 | |
| MPWR | Sale | 10,000 | $24.58 | $245,800 | May 31, 2013 | |
| MPWR | Sale | 2,799 | $24.80 | $69,415 | Feb 28, 2013 | |
| MPWR | Award / Grant | 4,027 | — | — | Feb 11, 2013 | |
| MPWR | Sale | 2,892 | $29.28 | $84,678 | Feb 11, 2013 | |
| MPWR | Award / Grant | 227 | — | — | Feb 7, 2013 | |
| MPWR | Award / Grant | 227 | — | — | Feb 7, 2013 | |
| MPWR | Sale | 2,000 | $22.01 | $44,020 | Aug 29, 2012 |