Michael Guest bought Monolithic Power Systems (MPWR) on Oct 20, 2025
Data as of Oct 16
- Traded
- Oct 20, 2025
- Disclosed
- Nov 5, 2025
- Filed
- 16 days after the trade
The STOCK Act allows 45 days to report a trade.
Official filing (House Clerk) ↗
The price around the disclosure
MPWR since disclosure
+21.1%
Similar stocks (XLK) since disclosure
−37.8%
XLK — its sector index fund
Change in closing price from Nov 5, 2025 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.
See all of Michael Guest's trades →See every trade on MPWR →