MONOLITHIC POWER SYSTEMS INC (MPWR)
25 filings available.
0
Insider buys, 12 months
$0 by 0 insiders
222
Insider sales, 12 months
$640.8M by 11 insiders
5
Congress trades
2 members, latest Jul 1, 2026
Most active MPWR insiders: Hsing Michael and Tseng Saria. Members of Congress who disclosed MPWR trades include Byron Donalds and Markwayne Mullin.
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Full Timeline
Every tracked SEC filing, congressional trade, 13F/N-PORT holding change, lobbying disclosure, government contract award, SEC enforcement action, and pay-vs-performance filing for 0001280452, merged into one feed.
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Who's involved
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Get the app →Recent filings
- FMR LLC Reports 9.1% Passive Stake in Monolithic Power Systems ($MPWR)SCHEDULE 13G/ANov 5, 2026Filed by FMR LLC
- New Monolithic Power Systems CFO Frank Anthony Balow III Files Initial Form 33Oct 29, 2026Filed by Balow Frank Anthony IIIInitial Statement
Filers on record
Hsing MichaelFirst tracked sale
DEAN ROBERT W IIFirst tracked sale