Michael Hsing sold $40.3M of Monolithic Power Systems (MPWR)

Executed Sep 28, disclosed Sep 30, 2 days later.

Value, as filed

$40.3M

30,000 sh across 8 lots

Executed

Sep 28

the trade date, as filed

Disclosed

Sep 30

2 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

MH Michael Hsing CEO profile →

Michael Hsing (CEO) filed 8 Form 4 reports in the trailing twelve months (0 purchases, 8 sales), most often in Monolithic Power Systems, Inc. (MPWR). The largest single filing was $64.3M of MPWR (54,923 sh × $1,171.16, as filed), executed Feb 6.

The name

MPWR Monolithic Power Systems, Inc. MPWR · Technology · 79 filings in 24 months ticker →

Technology · Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Euro…

More Technology filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Michael Hsing in MPWR

MPWRSALE Monolithic Power Systems, Inc. $59.3M
40,000 sh across 13 lots
Exec May 18
Filed May 20 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. $38.7M
33,000 sh across 12 lots
Exec Feb 12
Filed Feb 17 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. $39.2M
33,000 sh across 10 lots
Exec Feb 11
Filed Feb 13 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. $38.8M
34,000 sh across 9 lots
Exec Feb 10
Filed Feb 12 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. $64.3M
54,923 sh × $1,171.16
Exec Feb 6
Filed Feb 10 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. $35.7M
36,941 sh across 18 lots
Exec Nov 12 2025
Filed Nov 13 2025 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. $38.3M
39,920 sh across 16 lots
Exec Nov 11 2025
Filed Nov 13 2025 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. $16.8M
20,231 sh across 11 lots
Exec Aug 15 2025
Filed Aug 18 2025 · 5:30 PM ET