MONOLITHIC POWER SYSTEMS, INC. (MPWR) insider buying and selling
In the last 90 days at MONOLITHIC POWER SYSTEMS, INC. (MPWR), no insider made an open-market purchase and 2 insiders made 4 open-market sales worth $185K, as reported on SEC Form 4. 2 of the 4 sales were scheduled in advance or made to cover tax on vesting shares, so they say less about the insider's view of the stock. Over the last 12 months, 9 insiders sold $192.5M, of which $39.2M was scheduled or tax-related.
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Unlock MPWRRecent open-market insider trades
Trades by the same insider within a week are shown as one line.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| KUO WEI HERBERT CHANG Director | Open market sale | 50 | $1,281.57 | $64K | |
| KUO WEI HERBERT CHANG Director | Open market sale | 50 | $1,420.00 | $71K | |
| Saria Tseng CLO | Open market sale 2 trades | 12,565 | avg. $1,654.81 | $20.8M | |
| Jeff Zhou Director | Open market sale | 486 | $1,680.00 | $816K | |
| Michael Hsing CEO | Open market sale 13 trades | 40,000 | avg. $1,482.75 | $59.3M | |
| Deming Xiao EVP | Open market sale 4 trades | 30,000 | avg. $1,654.55 | $49.6M | |
| Eugen J Elmiger Director | Open market sale 9 trades | 12,000 | avg. $1,584.96 | $19.0M | |
| Jeff Zhou Director | Open market sale 3 trades | 1,514 | avg. $1,607.85 | $2.4M | |
| Eileen Wynne Director | Open market sale | 335 | $1,582.68 | $530K | |
| Maurice Sciammas EVP | Open market sale | 380 | $1,583.81 | $602K |
Scheduled and tax-related sales
Sales made under a pre-arranged 10b5-1 plan or to cover tax on vesting shares. They are listed separately because they are not a fresh decision to sell.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| ROBERT W DEAN II CFO | Sell to cover 2 trades | 38 | avg. $1,316.02 | $50K | |
| Maurice Sciammas EVP | 10b5-1 sale 18 trades | 15,000 | avg. $1,349.73 | $20.2M | |
| Maurice Sciammas EVP | 10b5-1 sale | 30 | $1,351.61 | $41K | |
| Maurice Sciammas EVP | 10b5-1 sale | 30 | $1,533.95 | $46K | |
| ROBERT W DEAN II CFO | Sell to cover | 4 | $1,563.28 | $6K | |
| Maurice Sciammas EVP | 10b5-1 sale 8 trades | 12,000 | avg. $1,561.40 | $18.7M | |
| Maurice Sciammas EVP | 10b5-1 sale | 30 | $1,588.73 | $48K |
What the MPWR insider trades really mean
The table above is the public summary. With an Insider Intel account you get the analysis behind it, for MONOLITHIC POWER SYSTEMS, INC. and every other stock we track:
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Questions about MPWR insider trading
Who bought MONOLITHIC POWER SYSTEMS, INC. (MPWR) stock recently?
No insider made an open-market purchase of MONOLITHIC POWER SYSTEMS, INC. (MPWR) stock in the last 12 months.
Are insiders buying or selling MPWR?
Over the last 12 months insiders were net sellers of MPWR on discretionary trades: $0 bought against $153.3M sold (scheduled and tax-related sales excluded).
What is a sell-to-cover or 10b5-1 sale?
A 10b5-1 sale is scheduled in advance under a pre-arranged plan, and a sell-to-cover sale is made to pay tax on vesting shares. Neither is a fresh decision to sell, so they say less about an insider's view than a discretionary sale.
Where does this data come from?
Officers, directors and large shareholders report their trades to the SEC on Form 4. This page lists the open-market purchases and sales by individual insiders from those public filings; funds and other institutions are not shown.
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How to read this page
Officers, directors and large shareholders must report their trades in company shares to the SEC on Form 4. This page lists open-market purchases and sales by individual insiders: trades made on the stock exchange at the going price. Funds and other institutions are not shown here.
Information from SEC EDGAR Form 4 filings, shown for general information only. It is not financial advice and does not recommend buying or selling any security. Trades are shown by transaction date and may be reported up to two business days later.