Disclosure profile

Who’s trading MPWR?

MONOLITHIC POWER SYSTEMS INC

Every disclosed Congress and corporate-insider transaction in MPWR (MONOLITHIC POWER SYSTEMS INC) — 17 trades from 7 politicians and executives, each AI-scored. Updated as new filings land.

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FilerActionAmountFiledScore

Sciammas MauriceSEC Form 4Sell—2026-06-033

Sciammas MauriceSEC Form 4——2026-06-022

Tseng SariaSEC Form 4Sell—2026-05-297

DEAN ROBERT W IISEC Form 4Sell—2026-05-283

MONOLITHIC POWER SYSTEMS INC (MPWR) (CIK 0001280452)SEC Form 144Buy—2026-05-287

Zhou JeffSEC Form 4Sell—2026-05-274

Tseng SariaSEC Form 4——2026-05-272

MONOLITHIC POWER SYSTEMS INC (MPWR) (CIK 0001280452)SEC Form 144Buy—2026-05-264

MONOLITHIC POWER SYSTEMS INC (MPWR) (CIK 0001280452)SEC Form 144Buy—2026-05-265

MONOLITHIC POWER SYSTEMS INC (MPWR) (CIK 0001280452)SEC Form 144Buy—2026-05-226

Hsing MichaelSEC Form 4Sell—2026-05-207

DEAN ROBERT W IISEC Form 4Sell—2026-05-203

Sciammas MauriceSEC Form 4Sell—2026-05-194

MONOLITHIC POWER SYSTEMS INC (MPWR) (CIK 0001280452)SEC Form 144Buy—2026-05-183

MONOLITHIC POWER SYSTEMS INC (MPWR) (CIK 0001280452)SEC Form 144Buy—2026-05-186

MONOLITHIC POWER SYSTEMS INC (MPWR) (CIK 0001280452)SEC Form 144Buy—2026-05-014

Hon. Michael Patrick GuestHouse PTRBuy$1k2025-11-197

Public-record disclosures (SEC Form 4 & Congressional PTRs). Research tool — not investment advice.