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MONOLITHIC POWER SYSTEMS INC Director's Dealing 2025

Nov 7, 2025

30057_dirs_2025-11-06_40c48a22-6115-4538-8d00-690ab031fe9b.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2025-11-05

Reporting Person: Sciammas Maurice (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-05	Common Stock	S	200	$986.81	Disposed	1299	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	9481	Indirect
Common Stock	1699	Indirect
Common Stock	2000	Indirect
Common Stock	9481	Indirect
Common Stock	1499	Indirect
Common Stock	44930	Indirect
Common Stock	183306	Direct
Common Stock	12228	Indirect
Common Stock	1699	Indirect
Common Stock	4015	Indirect
Common Stock	5000	Indirect
Common Stock	1000	Indirect
Common Stock	1699	Indirect