Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Hsing Michael
Over the trailing 90 days, Hsing Michael (Other at MONOLITHIC POWER SYSTEMS, INC.) sold $59.3M of stock in MPWR, per 13 SEC Form 4 transactions.
- Role
- Other
- Companies
- MPWR
- Window
- Trailing 90 days · 13 transactions · CIK 1308676
- Net activity
- −$59.3M ($0 bought · $59.3M sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| MPWR | MONOLITHIC POWER SYSTEMS, INC. | 13 | — | $59.3M | −$59.3M |
Transactions (13)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-05-18 | MPWR | Sell | 3.4K | $5.0M | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 130 | $198K | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 352 | $534K | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 551 | $834K | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 3.8K | $5.7M | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 2.9K | $4.4M | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 608 | $912K | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 862 | $1.3M | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 5.8K | $8.5M | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 5.0K | $7.4M | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 4.1K | $6.0M | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 5.7K | $8.5M | Open market or private sale |
| 2026-05-18 | MPWR | Sell | 6.7K | $9.9M | Open market or private sale |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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