MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2024

Oct 8, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2024-10-07

Reporting Person: Sciammas Maurice (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-10-07	Common Stock	S	226	$922.72	Disposed	114586	Direct
2024-10-07	Common Stock	S	800	$925.91	Disposed	113786	Direct
2024-10-07	Common Stock	S	75	$926.57	Disposed	113711	Direct
2024-10-07	Common Stock	S	1695	$927.40	Disposed	112016	Direct
2024-10-07	Common Stock	S	1576	$928.39	Disposed	110440	Direct
2024-10-07	Common Stock	S	1774	$929.55	Disposed	108666	Direct
2024-10-07	Common Stock	S	789	$930.51	Disposed	107877	Direct
2024-10-07	Common Stock	S	2304	$931.33	Disposed	105573	Direct
2024-10-07	Common Stock	S	1559	$932.52	Disposed	104014	Direct
2024-10-07	Common Stock	S	2	$933.16	Disposed	104012	Direct
2024-10-07	Common Stock	S	200	$935.00	Disposed	103829	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	32064	Indirect
Common Stock	23015	Indirect
Common Stock	20206	Indirect
Common Stock	13424	Indirect
Common Stock	13424	Indirect
Common Stock	5000	Indirect
Common Stock	2000	Indirect
Common Stock	2000	Indirect
Common Stock	1699	Indirect
Common Stock	1699	Indirect
Common Stock	1699	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 $925.89 to $925.99. 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 $927.00 to $927.81. 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 $928.14 to $928.69. 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 $929.09 to $929.72. 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 $930.05 to $930.91. 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 $931.00 to $931.85. 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 $932.00 to $932.90. 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.

F8: Ending balance includes 17 shares acquired on August 15, 2024 through the Company's qualified ESPP program.