TOP TIERMARKET NEWSWIRE
SEC Form 4 history

MONOLITHIC PWR SYS I (MPWR) insider trades

MONOLITHIC PWR SYS I (MPWR) insider trading activity (SEC Form 4). Over the trailing 90 days, MPWR insiders filed 0 purchases totalling $0 and 12 sales totalling $120.2M — net SELLING of $120.2M. Most recent filing: Aug 6, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.

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Buys (90d)
0
$0
Sells (90d)
12
$120.2M
Net (90d)
-$120.2M
net selling
Most recent
Aug 6, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Aug 6, 2026Dean Robert W IIInterim CFOS Sale—$1344.27$141Kfiling
Aug 5, 2026Sciammas MauriceEVP, WW Sales, MarketingS Sale—$1343.94$40Kfiling
Jul 17, 2026Sciammas MauriceEVP, WW Sales, MarketingS Sale—$1349.73$20.2Mfiling
Jul 6, 2026Sciammas MauriceEVP, WW Sales, MarketingS Sale—$1351.61$41Kfiling
Jun 3, 2026Sciammas MauriceEVP, WW Sales, MarketingS Sale—$1533.95$46Kfiling
May 29, 2026Tseng SariaEVP, GCS Sale—$1700.00$12.9Mfiling
May 28, 2026Dean Robert W IIInterim CFOS Sale—$1649.56$36Kfiling
May 27, 2026Zhou JeffDirS Sale—$1680.00$816Kfiling
May 27, 2026Tseng SariaEVP, GCS Sale—$1586.43$7.9Mfiling
May 20, 2026Dean Robert W IIInterim CFOS Sale—$1563.28$6Kfiling
May 20, 2026Hsing MichaelCEOS Sale—$1482.75$59.3Mfiling
May 19, 2026Sciammas MauriceEVP, WW Sales, MarketingS Sale—$1561.40$18.7Mfiling