Current roles
From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.
Past roles
“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.
None on record since 2016.
Sits alongside
People who currently share a board or management team with this person.
- Carintia MartinezMPWR
- Deming XiaoMPWR
- Eileen WynneMPWR
- Jeff ZhouMPWR
- Kuo Wei Herbert ChangMPWR
- Maurice SciammasMPWR
- Michael HsingMPWR
- Robert W. Dean IIMPWR
- Saria TsengMPWR
- Theodore BlegenMPWR
- Victor K. LeeMPWR
Open-market trades
Purchases and sales reported on Form 4 at S&P 500 companies.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| May 6, 2026 | MPWR | Sale | 320 | $1,559.88 | $499K |
| May 6, 2026 | MPWR | Sale | 814 | $1,566.36 | $1.3M |
| May 6, 2026 | MPWR | Sale | 1,078 | $1,571.58 | $1.7M |
| May 6, 2026 | MPWR | Sale | 834 | $1,575.57 | $1.3M |
| May 6, 2026 | MPWR | Sale | 514 | $1,600.14 | $822K |
| May 6, 2026 | MPWR | Sale | 2,587 | $1,586.81 | $4.1M |
| May 6, 2026 | MPWR | Sale | 1,355 | $1,591.38 | $2.2M |
| May 6, 2026 | MPWR | Sale | 2,619 | $1,596.42 | $4.2M |
| May 6, 2026 | MPWR | Sale | 1,879 | $1,581.81 | $3.0M |
| Aug 29, 2025 | MPWR | Sale | 700 | $845.54 | $592K |
| Aug 29, 2025 | MPWR | Sale | 800 | $849.41 | $680K |
| Aug 29, 2025 | MPWR | Sale | 100 | $848.03 | $85K |
| Aug 29, 2025 | MPWR | Sale | 800 | $844.25 | $675K |
| Aug 29, 2025 | MPWR | Sale | 700 | $846.66 | $593K |
| Aug 29, 2025 | MPWR | Sale | 900 | $847.30 | $763K |
SEC reporting-owner ID (CIK) 1560945 · all filings on EDGAR