MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2024

Jan 11, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2024-01-10

Reporting Person: Xiao Deming (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-01-10	Common Stock	S	500	$584.39	Disposed	221436	Direct
2024-01-10	Common Stock	S	700	$586.21	Disposed	220736	Direct
2024-01-10	Common Stock	S	1079	$587.84	Disposed	219657	Direct
2024-01-10	Common Stock	S	1757	$588.44	Disposed	217900	Direct
2024-01-10	Common Stock	S	2387	$589.52	Disposed	215513	Direct
2024-01-10	Common Stock	S	3718	$590.37	Disposed	211795	Direct
2024-01-10	Common Stock	S	930	$591.34	Disposed	210865	Direct
2024-01-10	Common Stock	S	200	$592.38	Disposed	210665	Direct
2024-01-10	Common Stock	S	10	$593.00	Disposed	210655	Direct
2024-01-10	Common Stock	S	204	$594.13	Disposed	210451	Direct
2024-01-10	Common Stock	S	30	$596.19	Disposed	210421	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	455	Indirect
Common Stock	3391	Indirect

Footnotes

F1: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $586.07 to $586.55. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F2: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $587.43 to $587.98. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F3: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $588.09 to $588.94. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F4: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $589.00 to $589.94. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F5: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $590.00 to $590.93. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F6: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $591.00 to $591.77. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F7: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $592.30 to $592.46. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.