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MPWR
NASDAQ Manufacturing

Officer Saria Tseng Files Intent to Sell $11.7M in Shares Amidst Ongoing Insider Distribution

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Semiconductor Stocks · Technology
Sentiment info
Negative
Importance info
7
Price
$1,312.94
Mkt Cap
$64.489B
52W Low
$438.86
52W High
$1,322.62
52W Position info
199% above low
Off High info
at 52W high
Rel. Volume info
1.7× avg
Market data snapshot near publication time

MPWR has more than doubled off its 52-week low of $438.86.

Summary

An officer at Monolithic Power Systems has filed to sell $11.7 million in shares, adding to a pattern of substantial insider selling, which may be viewed negatively given the stock's high valuation and recent financial issues.


Key Events · Ownership and Investor Activity · MPWR

  • Officer Files Intent to Sell Shares

    Saria Tseng, an Officer, filed a Form 144 to sell 8,964 shares of common stock, valued at approximately $11.7 million.

  • Follows Significant Recent Sales

    This proposed sale adds to Tseng's prior sales of 57,586 shares, totaling over $63 million, within the last three months.

  • Part of Broader Insider Distribution

    The filing contributes to a pattern of net insider distribution totaling over $326 million from five active insiders in the last 90 days.

  • Occurs Near 52-Week High

    The intent to sell comes as the company's stock is trading near its 52-week high, potentially indicating executives are locking in gains.


Analysis · MPWR · Manufacturing

Saria Tseng, an Officer at Monolithic Power Systems, has filed a Form 144 indicating an intent to sell approximately $11.7 million worth of common stock. This proposed sale follows a pattern of significant insider selling, with Tseng having already sold over $63 million in shares in the past three months. The filing occurs while the stock is trading near its 52-week high and in the broader context of recent negative financial news, including a material restatement and CFO departure. This continued distribution by an executive could signal a lack of confidence or a desire to lock in gains.

At the time of this filing, MPWR was trading at $1,312.94 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $64.5B. The 52-week trading range was $438.86 to $1,322.62. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.

View Main SEC Filing

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MPWR - Latest Insights

MPWR
May 28, 2026, 1:16 PM EDT
Filing Type: 144
Importance Score:
7
Price at Filing: $1,647.23
Real-time Price: $1,374.51 info
Change: -$272.71 (-17%) info
Market Cap: $65.53B info
MPWR
May 22, 2026, 6:26 PM EDT
Filing Type: 144
Importance Score:
7
Price at Filing: $1,587.13
Real-time Price: $1,374.51 info
Change: -$212.62 (-13%) info
Market Cap: $65.53B info
MPWR
May 18, 2026, 5:57 PM EDT
Filing Type: 144
Importance Score:
8
Price at Filing: $1,486.00
Real-time Price: $1,374.51 info
Change: -$111.49 (-8%) info
Market Cap: $65.53B info
MPWR
May 08, 2026, 7:37 PM EDT
Filing Type: 4
Importance Score:
7
Price at Filing: $1,598.56
Real-time Price: $1,374.51 info
Change: -$224.05 (-14%) info
Market Cap: $65.53B info
MPWR
May 04, 2026, 4:01 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $1,573.50
Real-time Price: $1,374.51 info
Change: -$198.99 (-13%) info
Market Cap: $65.53B info