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Page built 2026-09-29
Data as of 2026-09-29
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DEAN ROBERT W II: insider trades

Every open market trade DEAN ROBERT W II has filed with the SEC, when each filing appeared, and how the buys did against the S&P 500 once the filing was public.

Key Facts

  • DEAN ROBERT W II is listed as Interim CFO at MPWR.
  • Between 2026-05-20 (20 May 2026) and 2026-08-26 (26 August 2026) DEAN ROBERT W II filed 0 open market buys worth $0 and 5 open market sales worth $234K.
  • None of DEAN ROBERT W II's buys has matured 90 days yet, so there is no return to report.
  • Data as of 2026-09-29 (29 September 2026).
Open market buys 0 $0
Open market sales 5 $234K
Avg vs S&P, 90d n/a 0 scored buys
Beat the S&P n/a 90 days after entry

Would copying DEAN ROBERT W II have paid?

prices as of 2026-09-28

The result. None of DEAN ROBERT W II's buys has matured 90 days yet, so there is no return to report.

Average return of DEAN ROBERT W II's open market buys against the S&P 500.
Days after entryScored buysAvg vs S&PBeat S&PEntry monthst statisticReading
30 days 0 n/a n/a n/a n/a too few trades to tell
90 days 0 n/a n/a n/a n/a too few trades to tell
180 days 0 n/a n/a n/a n/a too few trades to tell

A return curve needs at least 10 scored buys. DEAN ROBERT W II does not have enough yet.

Stocks traded

  1. MPWR5 trades, $234K

Every open market trade

as of 2026-09-29
5 trades.
Open market trades filed by DEAN ROBERT W II, newest first.
FiledStockTypeSharesPriceValue90 day vs S&P
26 Aug 2026 MPWR sell 32 $1297.72 $41.5K n/a
19 Aug 2026 MPWR sell 6 $1413.64 $8.5K n/a
6 Aug 2026 MPWR sell 105 $1344.27 $141K n/a
28 May 2026 MPWR sell 22 $1649.56 $36.3K n/a
20 May 2026 MPWR sell 4 $1563.28 $6.3K n/a

Insider sales are shown but not scored, because they are often planned for tax or diversification reasons.

Frequently asked questions

What has DEAN ROBERT W II bought and sold?

Between 2026-05-20 (20 May 2026) and 2026-08-26 (26 August 2026) DEAN ROBERT W II filed 0 open market buys worth $0 and 5 open market sales worth $234K.

Did DEAN ROBERT W II's buys beat the market?

None of DEAN ROBERT W II's buys has matured 90 days yet, so there is no return to report. Insider sales are not scored because they are often planned for tax or diversification reasons.

Sources: Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.