Monolithic Power Systems, Inc.

Monolithic Power Systems, Inc.

MPWRยทNASDAQ

$1.69K

+9.6%
TechnologySemiconductors

Monolithic Power Systems, Inc. engages in the design, development, marketing, and sale of semiconductor-based power electronics solutions for the computing and storage, automotive, industrial, communications, and consumer markets. The company provides direct current (DC) to DC integrated circuits (ICs) that are used to convert and control voltages of various electronic systems, such as portable electronic devices, wireless LAN access points, computers and notebooks, monitors, infotainment applications, and medical equipment. It also offers lighting control ICs for backlighting that are used in systems, which provide the light source for LCD panels in notebook computers, monitors, car navigation systems, and televisions, as well as for general illumination products. The company sells its products through third-party distributors and value-added resellers, as well as directly to original equipment manufacturers, original design manufacturers, electronic manufacturing service providers, and other end customers in China, Taiwan, Europe, South Korea, Southeast Asia, Japan, the United States, and internationally. Monolithic Power Systems, Inc. was incorporated in 1997 and is headquartered in Kirkland, Washington.

At a Glance

Live Snapshot
Market Cap$83.02B
EPS12.8200
P/E Ratio131.82
Earnings Date07/30/2026
15.30%
Return on Invested Capital
-6%
3Y-37.0%
5Y+5.0%
10Y+40.0%
17.44%
Return on Equity
-69%
3Y-34.0%
5Y+3.0%
10Y+43.0%
14.69%
Return on Assets
-70%
3Y-31.0%
5Y+8.0%
10Y+42.0%
Monolithic Power Systems, Inc.

Monolithic Power Systems, Inc. Management Team

MPWR ยท NASDAQ
MS

Ms. Saria Tseng

EVice President of Strategic Corporate Development, General Counsel & Corporate Secretary

Compensation

$3,490,913

Born 1971(Age 55)
female
MT

Mr. Theodore Bernie Blegen CPA

Executive Vice President & Chief Financial Officer

Compensation

$3,222,002

Born 1958(Age 68)
male
MD

Mr. Deming Xiao

Executive Vice President of Global Operations

Compensation

$3,490,913

Born 1963(Age 63)
male
MM

Mr. Maurice Sciammas

Executive Vice President of Worldwide Sales & Marketing

Compensation

$3,490,913

Born 1960(Age 66)
male
AL

Arthur Lee

Finance Manager

MM

Mr. Michael R. Hsing

Founder, Chairman, President & Chief Executive Officer

Compensation

$6,710,903

Born 1960(Age 66)
male
MG

Ms. Genevieve Cunningham

Senior Manager of Marketing Communications

female
MT

Mr. Tony Balow

Vice President of Finance

male
mpwr

Monolithic Power Systems, Inc. Insider Positioning

MPWR ยท NASDAQ

During the last 12 months, insiders have sold $315.59M worth of MPWR shares, with no buying activity reported.

3 Months

Bought

0

0.00

Sold

31.4K

46.73M

Net Activity

-46.7M

-$46.73M

3-6 Months

Bought

0

0.00

Sold

164.2K

191.69M

Net Activity

-191.7M

-$191.69M

6-9 Months

Bought

0

0.00

Sold

39.0K

37.43M

Net Activity

-37.4M

-$37.43M

9-12 Months

Bought

0

0.00

Sold

51.1K

39.74M

Net Activity

-39.7M

-$39.74M

Top Buyers

No buying activity

Top Sellers

1
HM

Hsing Michael

Director, Officer: Ceo

77.3K sharesโ€ข8 transactions

$90.79M

2
TS

Tseng Saria

Officer: Evp & General Counsel

73.4K sharesโ€ข12 transactions

$84.89M

3
XD

Xiao Deming

Officer: Evp, Global Operations

66.2K sharesโ€ข3 transactions

$63.48M

4
SM

Sciammas Maurice

Officer: Evp, Ww Sales & Marketing

31.7K sharesโ€ข8 transactions

$37.41M

5
BT

Blegen Theodore

Officer: Evp And Cfo

31.4K sharesโ€ข9 transactions

$32.85M

Insider Activity Analysis

Net Insider Sentiment

Bearish

Strong bearish signal with $315.59M net selling. Heavy insider selling may indicate concerns about valuation or near-term prospects.

Buy/Sell Ratio

0.00:1

Very poor ratio. Heavy selling with minimal buying suggests insiders may be concerned about valuation or outlook.

Recent Trend (3 Months)

$46.73M

Heavy recent selling activity. Recent insider sales notably exceed purchasesโ€”may warrant investigation into company developments.

Insider Participation

High Selling

5 insider sellers vs. 0 buyers. Widespread selling across multiple insiders may signal concerns.

Insider Activity Insight

Multiple red flags: Heavy selling, numerous sellers, and continued recent selling create a concerning pattern. Investigate fundamental drivers and consider whether company guidance or industry conditions have deteriorated.

SEC Filings

MPWR - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
DEF 14A

DEF 14A 2026

N/A

April 30, 2026
June 11, 2026
2026
DEF 14A

DEF 14A 2025

N/A

April 30, 2025
June 12, 2025
2025
DEF 14A

DEF 14A 2024

N/A

April 29, 2024
June 13, 2024
2024
DEF 14A

DEF 14A

N/A

May 01, 2023
May 01, 2023
ย 
DEF 14A

DEF 14A 2022

N/A

May 02, 2022
June 16, 2022
2022
DEF 14A

DEF 14A 2021

N/A

April 30, 2021
June 10, 2021
2021
DEF 14A

DEF 14A 2020

N/A

April 29, 2020
June 11, 2020
2020
DEF 14A

DEF 14A 2019

N/A

April 30, 2019
June 13, 2019
2019
DEF 14A

DEF 14A 2018

N/A

April 30, 2018
June 14, 2018
2018
DEF 14A

DEF 14A 2017

N/A

April 28, 2017
June 15, 2017
2017
Showing 1 to 10 of 22 filings