Stocks · Technology · Semiconductors & Related Devices

Monolithic Power Systems

MPWR Clue Score76

United States Fiscal year ends December CIK 0001280452 Results filed 29 Oct 2026

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What the insiders did Net selling

By person

13 insiders · 1,775 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Michael Hsing

CEO

—

$931.84M (382)

−$931.84M

976,954

1.99%

$1.33B

−27.3%

Saria Tseng

EVP & General Counsel

—

$369.60M (226)

−$369.60M

146,218

0.2975%

$198.41M

−48.7%

Maurice Sciammas

EVP, WW Sales & Marketing

—

$329.28M (293)

−$329.28M

270,512

0.5505%

$367.07M

−30.0%

Deming Xiao

EVP, Global Operations

—

$306.29M (162)

−$306.29M

210,295

0.4279%

$285.36M

−24.1%

Theodore Blegen

EVP and CFO

—

$157.73M (482)

−$157.73M

87,684

0.1784%

$118.98M

+106.1%

James C Moyer

Director

—

$129.99M (116)

−$129.99M

348

0.0007%

$472.22K

−100.0%

Eugen J Elmiger

Director

—

$22.41M (15)

−$22.41M

5,402

0.0110%

$7.33M

−59.8%

Jeff Zhou

Director

—

$9.12M (44)

−$9.12M

3,800

0.0077%

$5.16M

−77.6%

Kuo Wei Herbert Chang

Director

—

$5.15M (35)

−$5.15M

515

0.0010%

$698.82K

−93.7%

Victor K Lee

Director

—

$3.38M (13) scheduled

−$3.38M

27,756

0.0565%

$37.66M

+21.8%

Carintia Martinez

Director

—

$1.26M (1) scheduled

−$1.26M

1,067

0.0022%

$1.45M

—

Eileen Wynne

Director

—

$530.20K (1)

−$530.20K

1,007

0.0020%

$1.37M

—

Robert W Dean II

Interim CFO

—

$233.70K (5)

−$233.70K

7,089

0.0144%

$9.62M

−12.0%