MONOLITHIC POWER SYSTEMS, INC. — insider transactions
3 transactions on record · MPWR · CIK 1280452
Aggregates
computed from the filings belowPurchases, 12m
0
count of open-market buys
Sales, 12m
3
count of open-market sales
Buy / sell ratio, 12m
0.00
purchases per sale
Distinct insiders, 12m
2
Bought, 3m
$0
Sold, 3m
$135.1K
Median disclosure lag
2.0 d
trade date to filing date
Largest single trade, 24m
$71K
2026-08-11
Director share, 12m
66.7%
of transactions where role is stated
Current run
3 sells
consecutive same-direction transactions
Net 3m flow
-$135.1K
purchases minus sales
Total on record
3
Transactions
3 most recent shown| Disclosed | Traded | Lag, d | Insider | Role | Transaction | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|---|---|
| 2026-08-25 | 2026-08-24 | 1 | CHANG KUO WEI HERBERT | Director | Open market sale | 50 | $1,281.57 | $64.1K | filing |
| 2026-08-13 | 2026-08-11 | 2 | CHANG KUO WEI HERBERT | Director | Open market sale | 50 | $1,420.00 | $71K | filing |
| 2026-07-28 | 2026-07-25 | 3 | DEAN ROBERT W II | Interim CFO | Grant or award | 1,359 | $0.00 | — | filing |