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MPWR
NASDAQ Manufacturing

Officer/Director Michael Hsing Files Intent to Sell $59.3M in Shares

Analysis by Wiseek AI
Sentiment info
Negative
Importance info
8
Price
$1,486
Mkt Cap
$73.023B
52W Low
$643.356
52W High
$1,675.42
52W Position info
131% above low
Off High info
11% below high
Rel. Volume info
1.4× avg
Market data snapshot near publication time

MPWR has more than doubled off its 52-week low of $643.356.

Summary

Officer and Director Michael Hsing has filed a Form 144 indicating an intent to sell 40,000 shares of Monolithic Power Systems stock, valued at approximately $59.3 million.


Key Events · Ownership and Investor Activity · MPWR

  • Officer/Director Files Intent to Sell

    Officer and Director Michael Hsing filed a Form 144 to sell 40,000 common shares of Monolithic Power Systems.

  • Significant Transaction Value

    The proposed sale is valued at approximately $59.3 million, representing a substantial disposition by a key insider.

  • Follows Pattern of Insider Sales

    This filing adds to a pattern of recent Form 144 filings by other officers, including a $3.35 million filing on March 2nd and an $11.7 million filing on April 8th.

  • Shares from Performance Vesting

    The shares to be sold were acquired upon the vesting of performance shares between January 2024 and February 2025.


Analysis · MPWR · Manufacturing

This Form 144 indicates a substantial intent to sell shares by Michael Hsing, a key insider serving as both an Officer and Director. The proposed sale of $59.3 million is a significant amount of personal wealth, especially when viewed in the context of other recent insider selling activity at the company. While the shares were acquired through performance vesting, the sheer size of this potential disposition could be interpreted negatively by investors, suggesting a desire to lock in gains following the company's recent strong financial results and capacity expansion targets.

At the time of this filing, MPWR was trading at $1,486.00 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $73B. The 52-week trading range was $643.36 to $1,675.42. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.

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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: $1,305.04 info
Change: -$342.18 (-21%) info
Market Cap: $64.117B info
MPWR
May 22, 2026, 6:26 PM EDT
Filing Type: 144
Importance Score:
7
Price at Filing: $1,587.13
Real-time Price: $1,305.04 info
Change: -$282.09 (-18%) info
Market Cap: $64.117B info
MPWR
May 18, 2026, 5:57 PM EDT
Filing Type: 144
Importance Score:
8
Price at Filing: $1,486.00
Real-time Price: $1,305.04 info
Change: -$180.96 (-12%) info
Market Cap: $64.117B info
MPWR
May 08, 2026, 7:37 PM EDT
Filing Type: 4
Importance Score:
7
Price at Filing: $1,598.56
Real-time Price: $1,305.04 info
Change: -$293.52 (-18%) info
Market Cap: $64.117B 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: $1,305.04 info
Change: -$268.46 (-17%) info
Market Cap: $64.117B info
MPWR
May 01, 2026, 4:06 PM EDT
Source: Wiseek News
Importance Score:
9
Price at Filing: $1,580.00
Real-time Price: $1,305.04 info
Change: -$274.96 (-17%) info
Market Cap: $64.117B info
MPWR
Apr 30, 2026, 4:03 PM EDT
Source: Wiseek News
Importance Score:
9
Price at Filing: $1,700.00
Real-time Price: $1,305.04 info
Change: -$394.96 (-23%) info
Market Cap: $64.117B info
MPWR
Apr 30, 2026, 4:01 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $1,628.00
Real-time Price: $1,305.04 info
Change: -$322.96 (-20%) info
Market Cap: $64.117B info
MPWR
Apr 30, 2026, 12:34 PM EDT
Filing Type: DEF 14A
Importance Score:
7
Price at Filing: $1,576.72
Real-time Price: $1,305.04 info
Change: -$271.68 (-17%) info
Market Cap: $64.117B info
MPWR
Apr 08, 2026, 5:14 PM EDT
Filing Type: 144
Importance Score:
7
Price at Filing: $1,312.94
Real-time Price: $1,305.04 info
Change: -$7.90 (-0.60%) info
Market Cap: $64.117B info