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sellModerate cluster of 5

Theodore Blegen sold $562k of MPWR

EVP and CFO at MONOLITHIC POWER SYSTEMS INC. 734 shares at an average of $765.15, traded Nov 8, 2024, filed Nov 13, 2024.

Warning score
56
Value
$562k
734 shares
Holdings after
55,944
-1% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CFO
    +22
  • Trade size
    $562k at market
    +19
  • Share of holdings sold
    Sold 1.3% of holdings
    0
  • Cluster
    5 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +1.2%, 3m +16.5%, 6m +22.7%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MPWROct 9, 2026 · close 1,386
Since filing Nov 13, 2024: +134.0%SPY +33.4% · excess +100.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001214659-24-018887, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 8, 2024SOpen-market sale
Common Stock
-734$765.15$562k55,944Nov 13, 2024

Related signals

Other insiders at MONOLITHIC POWER SYSTEMS INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
30Weak
MPWRsell10b5-1
MONOLITHIC POWER SYSTEMS INC
Michael Hsing
CEO
$40M
30,000 shares
-4%
1Weak
MPWRsell10b5-1
MONOLITHIC POWER SYSTEMS INC
Maurice Sciammas
EVP, WW Sales & Marketing
$33k
30 shares
-2%
45Moderate
MPWRsell 610b5-1
MONOLITHIC POWER SYSTEMS INC
Michael Hsing
CEO
$39M
33,000 shares
-4%
45Moderate
MPWRsell 610b5-1
MONOLITHIC POWER SYSTEMS INC
Michael Hsing
CEO
$39M
33,000 shares
-3%
45Moderate
MPWRsell 610b5-1
MONOLITHIC POWER SYSTEMS INC
Michael Hsing
CEO
$39M
34,000 shares
-3%
48Moderate
MPWRsell 6
MONOLITHIC POWER SYSTEMS INC
Maurice Sciammas
EVP, WW Sales & Marketing
$236k
200 shares
-13%
28Weak
MPWRsell 610b5-1
MONOLITHIC POWER SYSTEMS INC
Victor K Lee
director
$485k
400 shares
-1%
67Notable
MPWRsell 6
MONOLITHIC POWER SYSTEMS INC
Theodore Blegen
EVP and CFO
$25M
21,725 shares
-21%
65Notable
MPWRsell 6
MONOLITHIC POWER SYSTEMS INC
Michael Hsing
CEO
$64M
54,923 shares
-5%
60Notable
MPWRsell 6
MONOLITHIC POWER SYSTEMS INC
Maurice Sciammas
EVP, WW Sales & Marketing
$27M
22,875 shares
-11%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Theodore Blegen sold $562k of MPWR | InsiderTell