Informed-money record

MPWR · MONOLITHIC POWER SYSTEMS INC

Disclosed informed-money activity on this name over the last 12 months — corporate insiders, institutions, and members of Congress, from public-domain SEC and congressional filings. A dated factual record with receipts; interpretation is yours.

Bullish filings

4

Bearish filings

404

Named actors

28

Disclosed $ (bull / bear)

$73K / $2.1B

Recent disclosures

25 of 408 in the window · linked to source
DateWhoWhatDisclosed $Receipt
2026-07-01EVP, WW Sales & Marketing Sciammas Mauricesold$41KSEC ↗
2026-06-01EVP, WW Sales & Marketing Sciammas Mauricesold$46KSEC ↗
2026-06-01Officer (via Morgan Stanley Smith Barney LLC Executive Financial Services) THEODORE BERNHARD BLEGENfiled notice to sell$4.6MSEC ↗
2026-05-29EVP, WW Sales & Marketing Sciammas MauricegiftedSEC ↗
2026-05-28Officer (via Morgan Stanley Smith Barney LLC Executive Financial Services) SARIA TSENGfiled notice to sell$12.9MSEC ↗
2026-05-27EVP & General Counsel Tseng Sariasold$12.9MSEC ↗
2026-05-26Director Zhou Jeffsold$816KSEC ↗
2026-05-26Interim CFO DEAN ROBERT W IIsold$36KSEC ↗
2026-05-26Officer (via Morgan Stanley Smith Barney LLC Executive Financial Services) DEAN ROBERT W IIfiled notice to sell$36KSEC ↗
2026-05-26Director (via Morgan Stanley Smith Barney LLC Executive Financial Services) JEFF ZHOUfiled notice to sell$816KSEC ↗
2026-05-22EVP & General Counsel Tseng SariagiftedSEC ↗
2026-05-22EVP & General Counsel Tseng Sariasold$7.9MSEC ↗
2026-05-22Officer (via Morgan Stanley Smith Barney LLC Executive Financial Services) SARIA TSENGfiled notice to sell$7.9MSEC ↗
2026-05-18Interim CFO DEAN ROBERT W IIsold$6KSEC ↗
2026-05-18CEO Hsing Michaelsold$912KSEC ↗
2026-05-18CEO Hsing Michaelsold$198KSEC ↗
2026-05-18CEO Hsing Michaelsold$534KSEC ↗
2026-05-18CEO Hsing Michaelsold$834KSEC ↗
2026-05-18CEO Hsing Michaelsold$5.7MSEC ↗
2026-05-18CEO Hsing Michaelsold$4.4MSEC ↗
2026-05-18CEO Hsing Michaelsold$1.3MSEC ↗
2026-05-18CEO Hsing Michaelsold$9.9MSEC ↗
2026-05-18CEO Hsing Michaelsold$8.5MSEC ↗
2026-05-18CEO Hsing Michaelsold$6.0MSEC ↗
2026-05-18CEO Hsing Michaelsold$7.4MSEC ↗

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Events dated by when the activity occurred (a trade's transaction date; a notice, stake, or announcement at its filing date); the linked filing is the authoritative record. Directional public-domain disclosures only. Descriptive, not investment advice. Methodology · Today's notable signals