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MPWRNasdaq SEC EDGAR

MONOLITHIC POWER SYSTEMS INC

Semiconductors & Related Devices·WEST PALM BEACH, FL·FY end 12/31·CIK 1280452
OverviewFinancialsCompensationGovernanceInsidersFilings
Net 180d
-$338.9M
0 buys / 76 sales
Open-market buys
$0
0 transactions
Open-market sales
$338.9M
76 transactions
Cluster windows
5
0 buy / 5 sell

Insider transaction timeline

2-year window · 6 buys · 76 sales · dot size = transaction value
7/2410/241/254/257/2510/251/264/26buysell
AcquisitionsSalesCluster window (≥2 sales / month)

Form 4 transactions

Showing 30 of 82
DateInsiderTypeSharesValue
2026-05-06
Zhou Jeff
Sale500-$825.0K
2026-05-05
Sciammas MauriceEVP, WW Sales & Marketing
Sale380-$601.8K
2026-05-05
Zhou Jeff
Sale514-$809.3K
2026-05-05
Zhou Jeff
Sale500-$800.0K
2026-05-04
Sciammas MauriceEVP, WW Sales & Marketing
Sale30-$47.7K
2026-04-08
Tseng SariaEVP & General Counsel
Sale560-$709.2K
2026-04-08
Tseng SariaEVP & General Counsel
Sale360-$457.3K
2026-04-08
Tseng SariaEVP & General Counsel
Sale240-$307.1K
2026-04-08
Tseng SariaEVP & General Counsel
Sale120-$154.5K
2026-04-08
Tseng SariaEVP & General Counsel
Sale400-$516.8K
2026-04-08
Tseng SariaEVP & General Counsel
Sale800-$1.0M
2026-04-08
Tseng SariaEVP & General Counsel
Sale1,279-$1.7M
2026-04-08
Tseng SariaEVP & General Counsel
Sale4,244-$5.6M
2026-04-08
Tseng SariaEVP & General Counsel
Sale840-$1.1M
2026-04-08
Tseng SariaEVP & General Counsel
Sale120-$158.6K
2026-04-06
Tseng SariaEVP & General Counsel
Sale244-$278.2K
2026-04-06
Tseng SariaEVP & General Counsel
Sale556-$636.3K
2026-04-06
Tseng SariaEVP & General Counsel
Sale480-$551.5K
2026-04-06
Tseng SariaEVP & General Counsel
Sale560-$649.4K
2026-04-06
Tseng SariaEVP & General Counsel
Sale684-$797.3K
2026-04-06
Tseng SariaEVP & General Counsel
Sale2,036-$2.4M
2026-04-06
Tseng SariaEVP & General Counsel
Sale1,680-$2.0M
2026-04-06
Tseng SariaEVP & General Counsel
Sale1,396-$1.6M
2026-04-01
Tseng SariaEVP & General Counsel
Sale576-$651.6K
2026-04-01
Tseng SariaEVP & General Counsel
Sale184-$208.3K
2026-04-01
Tseng SariaEVP & General Counsel
Sale160-$181.5K
2026-04-01
Tseng SariaEVP & General Counsel
Sale188-$213.6K
2026-04-01
Tseng SariaEVP & General Counsel
Sale292-$332.0K
2026-04-01
Sciammas MauriceEVP, WW Sales & Marketing
Sale30-$33.5K
2026-03-30
Tseng SariaEVP & General Counsel
Sale5,154-$5.2M