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Hsing Michael
InsiderCIK 0001308676
Total Volume
$431.2M
11 filings
Purchases
$0
0 buy txns
Sales
$297.5M
64 sell txns
Net Activity
-$297.5M
net sold
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 11
- Buy transactions
- 0
- Sell transactions
- 64
- Companies
- 1
- Active
- 2025–2026
Across 11 filings between 2025–2026, Hsing Michael has disclosed $431.2M in transactions — all concentrated in MONOLITHIC POWER SYSTEMS, INC. (MPWR). Their disclosed trades are heavily weighted toward selling — $0 in buys and $297.5M in sells. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
11 loaded
| Sep 30 | MPWR MONOLITHIC POWER SYSTEMS, INC. | Hsing Michael | Insider | Sell | $40.3M |
| May 20 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $59.3M |
| Feb 17 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $38.7M |
| Feb 13 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $39.2M |
| Feb 12 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $38.8M |
| Feb 10 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $64.3M |
| Feb 5 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Grant | $0 |
| Dec 11 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Gift | $0 |
| Oct 31 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Tax withheld | $133.7M |
| Oct 28 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Grant | $0 |
| Aug 18 | MPWR MONOLITHIC POWER SYSTEMS INC | Hsing Michael | Insider | Sell | $16.8M |
11 filings