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MPWR

STRONG

MONOLITHIC POWER SYSTEMS INC

CIK: 0001280452

Strong Sell (90% confidence)

Last activity: 3 days ago

Financial Metrics

As of Dec 31, 2024 (10-K)

Revenue $1.21B
Net Income $10.85M

Insider Roster (7 total, 7 active)

Insider Buys Sells Net Value Holdings
Hsing Michael
CEO
 		0 20 -$142.40M
921,883 shares
$1.10B
Tseng Saria
EVP & General Counsel
 		0 29 -$63.40M
200,626 shares
$234.97M
Sciammas Maurice
EVP, WW Sales & Marketing
 		0 27 -$61.36M
1,299 shares
$1.53M
BLEGEN THEODORE
EVP and CFO
 		0 43 -$34.38M
82,353 shares
$96.45M
Xiao Deming
EVP, Global Operations
 		0 1 -$26.79M
235,932 shares
$276.31M
Lee Victor K
OTHER
 		0 8 -$2.00M
27,756 shares
$33.64M
CHANG KUO WEI HERBERT
OTHER
 		0 2 -$177K
426 shares
$382K

Recent Transactions

SELL Hsing Michael (CEO)

14,578 shares @ $1197.20

$17.45M

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

6,079 shares @ $1192.67

$7.25M

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

2,799 shares @ $1177.67

$3.30M

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

2,104 shares @ $1188.17

$2.50M

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

1,987 shares @ $1172.92

$2.33M

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

1,542 shares @ $1182.82

$1.82M

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

1,533 shares @ $1167.62

$1.79M

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

1,366 shares @ $1163.71

$1.59M

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

649 shares @ $1202.28

$780K

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

363 shares @ $1158.71

$421K

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Sciammas Maurice (EVP, WW Sales & Marketing)

200 shares @ $1179.97

$236K

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

16,080 shares @ $1141.88

$18.36M

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

6,325 shares @ $1136.75

$7.19M

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

4,302 shares @ $1132.01

$4.87M

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

3,864 shares @ $1145.90

$4.43M

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

1,215 shares @ $1151.11

$1.40M

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

880 shares @ $1176.04

$1.03M

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

694 shares @ $1154.96

$802K

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

360 shares @ $1161.41

$418K

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

280 shares @ $1197.26

$335K

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Lee Victor K (OTHER)

400 shares @ $1212.16

$485K

Feb 9, 2026

Conviction: | View SEC Filing →
SELL Hsing Michael (CEO)

54,923 shares @ $1171.16

$64.32M

Feb 6, 2026

Conviction: | View SEC Filing →
SELL Sciammas Maurice (EVP, WW Sales & Marketing)

22,875 shares @ $1171.16

$26.79M

Feb 6, 2026

Conviction: | View SEC Filing →
SELL Xiao Deming (EVP, Global Operations)

22,875 shares @ $1171.16

$26.79M

Feb 6, 2026

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

22,875 shares @ $1171.16

$26.79M

Feb 6, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

21,725 shares @ $1171.16

$25.44M

Feb 6, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

379 shares @ $1133.47

$430K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

322 shares @ $1132.67

$365K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

320 shares @ $1130.48

$362K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

241 shares @ $1134.41

$273K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

240 shares @ $1129.28

$271K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

240 shares @ $1128.43

$271K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

220 shares @ $1110.58

$244K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

200 shares @ $1126.58

$225K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

198 shares @ $1131.70

$224K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

120 shares @ $1136.35

$136K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

120 shares @ $1135.49

$136K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $1139.49

$91K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $1137.81

$91K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $1127.39

$90K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $1120.77

$90K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

40 shares @ $1122.56

$45K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

40 shares @ $1117.11

$45K

Feb 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

650 shares @ $944.35

$614K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL Lee Victor K (OTHER)

600 shares @ $930.86

$559K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

539 shares @ $943.71

$509K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

460 shares @ $938.52

$432K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

406 shares @ $941.60

$382K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

194 shares @ $930.86

$181K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

120 shares @ $936.50

$112K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

117 shares @ $939.75

$110K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $946.62

$76K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $935.33

$75K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $933.64

$75K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $927.61

$74K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

74 shares @ $942.42

$70K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

40 shares @ $945.00

$38K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

40 shares @ $940.03

$38K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

40 shares @ $934.74

$37K

Jan 2, 2026

Conviction: | View SEC Filing →
SELL Lee Victor K (OTHER)

280 shares @ $950.64

$266K

Dec 24, 2025

Conviction: | View SEC Filing →
SELL Lee Victor K (OTHER)

200 shares @ $953.70

$191K

Dec 24, 2025

Conviction: | View SEC Filing →
SELL Lee Victor K (OTHER)

197 shares @ $949.70

$187K

Dec 24, 2025

Conviction: | View SEC Filing →
SELL Lee Victor K (OTHER)

160 shares @ $951.60

$152K

Dec 24, 2025

Conviction: | View SEC Filing →
SELL Lee Victor K (OTHER)

83 shares @ $952.37

$79K

Dec 24, 2025

Conviction: | View SEC Filing →
SELL Lee Victor K (OTHER)

80 shares @ $955.08

$76K

Dec 24, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

1,984 shares @ $909.00

$1.80M

Dec 1, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

480 shares @ $908.69

$436K

Dec 1, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

120 shares @ $904.38

$109K

Dec 1, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $907.59

$73K

Dec 1, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $906.84

$73K

Dec 1, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

80 shares @ $901.88

$72K

Dec 1, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

56 shares @ $911.59

$51K

Dec 1, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

40 shares @ $902.31

$36K

Dec 1, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

40 shares @ $900.88

$36K

Dec 1, 2025

Conviction: | View SEC Filing →
SELL BLEGEN THEODORE (EVP and CFO)

40 shares @ $899.73

$36K

Dec 1, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

10,360 shares @ $926.02

$9.59M

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

2,238 shares @ $929.29

$2.08M

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

1,845 shares @ $927.41

$1.71M

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

1,327 shares @ $924.32

$1.23M

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

1,200 shares @ $923.54

$1.11M

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

1,126 shares @ $925.55

$1.04M

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

984 shares @ $928.60

$914K

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

680 shares @ $930.48

$633K

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

240 shares @ $922.78

$221K

Nov 26, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

10,200 shares @ $907.21

$9.25M

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

2,066 shares @ $896.37

$1.85M

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

1,625 shares @ $895.63

$1.46M

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

888 shares @ $908.49

$807K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

880 shares @ $901.58

$793K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

754 shares @ $897.54

$677K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

556 shares @ $909.35

$506K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

385 shares @ $894.54

$344K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

359 shares @ $910.42

$327K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

346 shares @ $900.41

$312K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

324 shares @ $911.92

$295K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

320 shares @ $899.37

$288K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

272 shares @ $906.33

$247K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

240 shares @ $912.30

$219K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

200 shares @ $904.39

$181K

Nov 25, 2025

Conviction: | View SEC Filing →
SELL Tseng Saria (EVP & General Counsel)

160 shares @ $905.32

$145K

Nov 25, 2025

Conviction: | View SEC Filing →

⚠️ Important Disclaimer

• This is AI-generated analysis for educational purposes only, not financial advice.

• Insider trading data is derived from SEC Form 4 filings and may contain errors.

• Always conduct your own research and consult qualified financial advisors before making investment decisions.