NASDAQ:MPWR | Insider Transactions — Page 4 | MONOLITHIC POWER SYSTEMS, INC.

MPWR Insider Transactions — Page 4

6,131 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 301–400; provenance stays internal.

Insider profileRoleDateTransactionSharesPrice
BLEGEN THEODOREEVP and CFO2025-11-03Sale180.0$1,018.01
BLEGEN THEODOREEVP and CFO2025-11-03Sale6.0$1,017.78
BLEGEN THEODOREEVP and CFO2025-11-03Sale80.0$1,016.51
BLEGEN THEODOREEVP and CFO2025-11-03Sale135.0$1,014.47
BLEGEN THEODOREEVP and CFO2025-11-03Sale204.0$1,013.62
Tseng SariaEVP & General Counsel2025-10-24Sale1,300.0$1,087.62
Tseng SariaEVP & General Counsel2025-10-16Sale1,313.0$1,030.81
Tseng SariaEVP & General Counsel2025-10-16Sale1,499.0$1,021.26
Tseng SariaEVP & General Counsel2025-10-15Sale14,028.0$1,016.18
BLEGEN THEODOREEVP and CFO2025-10-01Sale160.0$917.17
BLEGEN THEODOREEVP and CFO2025-10-01Sale580.0$916.37
BLEGEN THEODOREEVP and CFO2025-10-01Sale440.0$915.43
BLEGEN THEODOREEVP and CFO2025-10-01Sale390.0$914.71
BLEGEN THEODOREEVP and CFO2025-10-01Sale138.0$913.87
BLEGEN THEODOREEVP and CFO2025-10-01Sale676.0$912.73
BLEGEN THEODOREEVP and CFO2025-10-01Sale65.0$911.27
BLEGEN THEODOREEVP and CFO2025-10-01Sale80.0$909.52
BLEGEN THEODOREEVP and CFO2025-10-01Sale250.0$907.36
BLEGEN THEODOREEVP and CFO2025-10-01Sale115.0$905.37
BLEGEN THEODOREEVP and CFO2025-10-01Sale60.0$904.0
BLEGEN THEODOREEVP and CFO2025-10-01Sale40.0$903.82
BLEGEN THEODOREEVP and CFO2025-10-01Sale6.0$902.61
Martinez CarintiaDirector2025-09-18Sale1,400.0$900.0
Tseng SariaEVP & General Counsel2025-09-18Sale14,510.0$914.45
BLEGEN THEODOREEVP and CFO2025-09-02Sale126.0$822.59
BLEGEN THEODOREEVP and CFO2025-09-02Sale200.0$821.75
BLEGEN THEODOREEVP and CFO2025-09-02Sale200.0$820.7
BLEGEN THEODOREEVP and CFO2025-09-02Sale100.0$818.44
BLEGEN THEODOREEVP and CFO2025-09-02Sale574.0$816.47
BLEGEN THEODOREEVP and CFO2025-09-02Sale400.0$815.39
BLEGEN THEODOREEVP and CFO2025-09-02Sale200.0$814.75
BLEGEN THEODOREEVP and CFO2025-09-02Sale100.0$813.09
BLEGEN THEODOREEVP and CFO2025-09-02Sale100.0$812.84
BLEGEN THEODOREEVP and CFO2025-09-02Sale500.0$811.45
BLEGEN THEODOREEVP and CFO2025-09-02Sale100.0$808.53
BLEGEN THEODOREEVP and CFO2025-09-02Sale200.0$806.57
BLEGEN THEODOREEVP and CFO2025-09-02Sale100.0$804.64
BLEGEN THEODOREEVP and CFO2025-09-02Sale100.0$803.43
Elmiger Eugen JDirector2025-08-29Sale800.0$849.41
Elmiger Eugen JDirector2025-08-29Sale100.0$848.03
Elmiger Eugen JDirector2025-08-29Sale900.0$847.3
Elmiger Eugen JDirector2025-08-29Sale700.0$846.66
Elmiger Eugen JDirector2025-08-29Sale700.0$845.54
Elmiger Eugen JDirector2025-08-29Sale800.0$844.25
Zhou JeffDirector2025-08-27Sale193.0$870.0
Hsing MichaelCEO2025-08-15Sale400.0$836.4
Hsing MichaelCEO2025-08-15Sale200.0$834.92
Hsing MichaelCEO2025-08-15Sale535.0$833.37
Hsing MichaelCEO2025-08-15Sale1,510.0$832.57
Hsing MichaelCEO2025-08-15Sale1,953.0$831.57
Hsing MichaelCEO2025-08-15Sale2,100.0$830.46
Hsing MichaelCEO2025-08-15Sale4,101.0$829.45
Hsing MichaelCEO2025-08-15Sale396.0$828.64
Hsing MichaelCEO2025-08-15Sale3,878.0$827.72
Hsing MichaelCEO2025-08-15Sale2,555.0$826.64
Hsing MichaelCEO2025-08-15Sale2,603.0$825.69
Zhou JeffDirector2025-08-13Sale400.0$850.0
Zhou JeffDirector2025-08-12Sale200.0$830.0
Xiao DemingEVP, Global Operations2025-08-01Sale39,999.0$780.0
BLEGEN THEODOREEVP and CFO2025-08-01Sale3,000.0$750.0
BLEGEN THEODOREEVP and CFO2025-07-01Sale6,000.0$750.0
CHANG KUO WEI HERBERTDirector2025-05-13Sale50.0$738.0
CHANG KUO WEI HERBERTDirector2025-05-12Sale100.0$698.0
Sciammas MauriceEVP, WW Sales & Marketing2025-05-12Sale12,000.0$701.0
CHANG KUO WEI HERBERTDirector2025-05-08Sale100.0$650.0
Hsing MichaelCEO2025-02-18Sale5,200.0$700.0
Xiao DemingEVP, Global Operations2025-02-10Sale662.0$717.1
Tseng SariaEVP & General Counsel2025-02-10Sale663.0$717.1
Sciammas MauriceEVP, WW Sales & Marketing2025-02-10Sale662.0$717.1
Hsing MichaelCEO2025-02-10Sale2,594.0$717.1
BLEGEN THEODOREEVP and CFO2025-02-10Sale532.0$717.1
Hsing MichaelCEO2025-02-07Sale11,964.0$700.0
Sciammas MauriceEVP, WW Sales & Marketing2025-02-07Sale200.0$704.92
Sciammas MauriceEVP, WW Sales & Marketing2025-02-07Sale1,259.0$703.88
Sciammas MauriceEVP, WW Sales & Marketing2025-02-07Sale1,600.0$702.46
Sciammas MauriceEVP, WW Sales & Marketing2025-02-07Sale3,941.0$701.03
Hsing MichaelCEO2025-01-24Sale3,636.0$700.0
BLEGEN THEODOREEVP and CFO2024-12-09Sale2,500.0$600.0
Xiao DemingEVP, Global Operations2024-11-08Sale866.0$765.14
Tseng SariaEVP & General Counsel2024-11-08Sale866.0$765.14
Sciammas MauriceEVP, WW Sales & Marketing2024-11-08Sale866.0$765.14
BLEGEN THEODOREEVP and CFO2024-11-08Sale734.0$765.15
Hsing MichaelCEO2024-11-08Sale2,812.0$765.15
BLEGEN THEODOREEVP and CFO2024-11-01Sale100.0$779.79
BLEGEN THEODOREEVP and CFO2024-11-01Sale465.0$778.33
BLEGEN THEODOREEVP and CFO2024-11-01Sale300.0$777.43
BLEGEN THEODOREEVP and CFO2024-11-01Sale73.0$776.24
BLEGEN THEODOREEVP and CFO2024-11-01Sale300.0$775.65
BLEGEN THEODOREEVP and CFO2024-11-01Sale200.0$772.4
BLEGEN THEODOREEVP and CFO2024-11-01Sale246.0$771.03
BLEGEN THEODOREEVP and CFO2024-11-01Sale50.0$770.46
BLEGEN THEODOREEVP and CFO2024-11-01Sale175.0$768.08
BLEGEN THEODOREEVP and CFO2024-11-01Sale183.0$767.82
BLEGEN THEODOREEVP and CFO2024-11-01Sale208.0$766.22
BLEGEN THEODOREEVP and CFO2024-11-01Sale50.0$765.13
BLEGEN THEODOREEVP and CFO2024-11-01Sale150.0$764.54
Sciammas MauriceEVP, WW Sales & Marketing2024-10-07Sale200.0$935.0
Sciammas MauriceEVP, WW Sales & Marketing2024-10-07Sale2.0$933.16
Sciammas MauriceEVP, WW Sales & Marketing2024-10-07Sale1,559.0$932.52
Sciammas MauriceEVP, WW Sales & Marketing2024-10-07Sale2,304.0$931.33