MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2022

Dec 13, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2022-12-12

Reporting Person: Moyer James C (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-12-12	Common Stock	S	3510	$384.21	Disposed	79428	Indirect
2022-12-12	Common Stock	S	5196	$385.00	Disposed	74232	Indirect
2022-12-12	Common Stock	S	18538	$386.19	Disposed	55694	Indirect
2022-12-12	Common Stock	S	4951	$387.07	Disposed	50743	Indirect
2022-12-12	Common Stock	S	2720	$388.38	Disposed	48023	Indirect
2022-12-12	Common Stock	S	4747	$389.31	Disposed	43276	Indirect
2022-12-12	Common Stock	S	338	$390.43	Disposed	42938	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3450	Indirect
Common Stock	2123	Direct

Footnotes

F1: Shares sold pursuant to the reporting person's 10b5-1 plan.

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 $383.52 to $384.51. 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 $384.57 to $385.50. 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 $385.60 to $386.59. 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 $386.60 to $387.45. 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 $387.82 to $388.77. 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 $388.87 to $389.68. 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.