| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
CEO
1 company
Hsing Michael serves as a CEO at MPWR. Across recent SEC filings that breaks down to 0 buys and 327 sells. Those positions are worth an estimated $1.1B at current prices.
Historically, Hsing Michael's trades have earned a below-average insider score of 49/100 across 63 rated trades. Over a 12-month horizon, 30.5% of those trades were profitable, with an average 12-month return of -22.2%.
The biggest single holding is MPWR (~$1.1B) as CEO. The recent filings there lean toward selling, a net 1,755,490 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 28, 2026 | MPWR Monolithic Power Systems, Inc. | CEO | Sell | 30,000 | $1,344.97 | $40,349,046.72 | -3.5% | - | - | |
| May 18, 2026 | MPWR Monolithic Power Systems, Inc. | CEO | Sell | 40,000 | $1,482.75 | $59,310,168.55 | -4.5% | - | - | |
| Feb 10, 2026 | MPWR Monolithic Power Systems Inc | CEO | Sell | 34,000 | $1,142.28 | $38,837,435.26 | -3.4% | +40.2% | - | |
| Nov 12, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 37,000 | $965.52 | $35,724,379.66 | -3.9% | +19.2% | - | |
| Nov 11, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 37,580 | $958.37 | $36,015,381.49 | -3.8% | +26.3% | - | |
| Aug 15, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 20,231 | $829.10 | $16,773,550.18 | -2.4% | +11.8% | - | |
| Feb 18, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 5,200 | $700.00 | $3,640,000.00 | -0.6% | +1.7% | +72.0% | |
| Feb 10, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 2,594 | $717.10 | $1,860,157.40 | -0.3% | +0.5% | +61.9% | |
| Feb 7, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 11,964 | $700.00 | $8,374,800.00 | -1.4% | -11.2% | +70.7% | |
| Jan 24, 2025 | MPWR Monolithic Power Systems Inc | CEO | Sell | 3,636 | $700.00 | $2,545,200.00 | -0.4% | -14.4% | +56.8% |