Kuo Wei Herbert Chang Monolithic Power Systems Inc (MPWR) insider trading activity

Kuo Wei Herbert Chang is of MONOLITHIC POWER SYSTEMS INC. Currently has a direct ownership of 426 shares of MPWR, which is worth approximately $392,000. The most recent transaction as insider was on Nov 25, 2025, when has been sold 100 shares (Common Stock) at a price of $896.97 per share, resulting in proceeds of $89,697. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 426

31.95% 3M change

21.26% 12M change

Total Value Held $392,000

KUO WEI HERBERT CHANG Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 25 2025	SELL Open market or private sale	$89,697 $896.97 p/Share	100 Reduced 19.01%	426 Common Stock
Nov 21 2025	SELL Open market or private sale	$87,397 $873.97 p/Share	100 Reduced 15.97%	526 Common Stock
May 13 2025	SELL Open market or private sale	$36,900 $738.0 p/Share	50 Reduced 7.4%	626 Common Stock
May 12 2025	SELL Open market or private sale	$69,800 $698.0 p/Share	100 Reduced 12.89%	676 Common Stock
May 08 2025	SELL Open market or private sale	$65,000 $650.0 p/Share	100 Reduced 11.42%	776 Common Stock
Feb 04 2025	BUY Grant, award, or other acquisition	-	335 Added 27.66%	876 Common Stock
Aug 15 2024	SELL Open market or private sale	$178,688 $893.44 p/Share	200 Reduced 26.99%	541 Common Stock

May 20 2024	SELL Open market or private sale	$150,000 $750.0 p/Share	200 Reduced 21.25%	741 Common Stock
May 15 2024	SELL Open market or private sale	$147,000 $735.0 p/Share	200 Reduced 17.53%	941 Common Stock
Feb 29 2024	SELL Open market or private sale	$176,585 $706.34 p/Share	250 Reduced 17.97%	1,141 Common Stock
Feb 22 2024	SELL Open market or private sale	$187,500 $750.0 p/Share	250 Reduced 15.23%	1,391 Common Stock
Feb 06 2024	BUY Grant, award, or other acquisition	-	348 Added 17.5%	1,641 Common Stock
Nov 14 2023	SELL Open market or private sale	$209,456 $523.64 p/Share	400 Reduced 23.63%	1,293 Common Stock
Nov 13 2023	SELL Open market or private sale	$51,000 $510.0 p/Share	100 Reduced 5.58%	1,693 Common Stock
Aug 29 2023	SELL Open market or private sale	$250,000 $500.0 p/Share	500 Reduced 21.81%	1,793 Common Stock
Feb 07 2023	BUY Grant, award, or other acquisition	-	470 Added 17.01%	2,293 Common Stock
Feb 08 2022	BUY Grant, award, or other acquisition	-	542 Added 18.7%	2,356 Common Stock
Feb 26 2021	SELL Open market or private sale	$111,000 $370.0 p/Share	300 Reduced 18.98%	1,281 Common Stock
Feb 02 2021	BUY Grant, award, or other acquisition	-	533 Added 25.21%	1,581 Common Stock
Nov 04 2020	SELL Open market or private sale	$978,990 $326.33 p/Share	3,000 Reduced 74.11%	1,048 Common Stock

KWH

Kuo Wei Herbert Chang

Kirkland, WA

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