← All companies

MPWR — MONOLITHIC POWER SYSTEMS, INC.

Information Technology · Semiconductors & Related Devices · Nasdaq

CIK 0001280452 · FYE 1231 · All Form 4 filings on EDGAR ↗

Formerly: MONOLITHIC POWER SYSTEMS INC (until 2026-07-15)

2Insiders filing
3Transactions
+$0Reported buys
−$106kReported sells
0Cluster events

Window in data: 2026-08-24 → 2026-08-24 · Data as of 2026-08-28

Insiders

InsiderRoleTxnsReported value
CHANG KUO WEI HERBERTDirector1$64k
DEAN ROBERT W IIInterim CFO2$42k

Transaction history

Filing dateTrade dateTickerInsiderTypeSharesPriceValueCluster
2026-08-262026-08-24MPWRDEAN ROBERT W II Interim CFOS32$1297.72−$42k
2026-08-262026-08-24MPWRDEAN ROBERT W II Interim CFOJ5
2026-08-252026-08-24MPWRCHANG KUO WEI HERBERT DirectorS50$1281.57−$64k