MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2022

Sep 27, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2022-09-22

Reporting Person: Moyer James C (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-08-18	Common Stock	G	76925	$0.00	Disposed	188738	Indirect
2022-08-25	Common Stock	G	96000	$0.00	Disposed	92738	Indirect
2022-09-22	Common Stock	S	926	$381.89	Disposed	91812	Indirect
2022-09-22	Common Stock	S	1862	$382.85	Disposed	89950	Indirect
2022-09-22	Common Stock	S	2072	$384.01	Disposed	87878	Indirect
2022-09-22	Common Stock	S	1748	$384.76	Disposed	86130	Indirect
2022-09-22	Common Stock	S	880	$385.87	Disposed	85250	Indirect
2022-09-22	Common Stock	S	203	$387.54	Disposed	85047	Indirect
2022-09-22	Common Stock	S	155	$388.13	Disposed	84892	Indirect
2022-09-22	Common Stock	S	276	$389.72	Disposed	84616	Indirect
2022-09-22	Common Stock	S	209	$390.84	Disposed	84407	Indirect
2022-09-22	Common Stock	S	557	$391.83	Disposed	83850	Indirect
2022-09-22	Common Stock	S	482	$392.83	Disposed	83368	Indirect
2022-09-22	Common Stock	S	46	$393.81	Disposed	83322	Indirect
2022-09-22	Common Stock	S	15	$396.72	Disposed	83307	Indirect
2022-09-22	Common Stock	S	1	$398.13	Disposed	83306	Indirect
2022-09-22	Common Stock	S	340	$400.10	Disposed	82966	Indirect
2022-09-22	Common Stock	S	28	$401.24	Disposed	82938	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3450	Indirect
Common Stock	1581	Direct

Footnotes

F1: 76,925 shares were transferred as an irrevocable arms-length gift from the JCM Management Trust to The MF Community Impact, Inc. (the "Organization"). The reporting person does not have any direct or indirect ownership interest in the Organization, and does not have any direct or indirect management control over the Organization. No funds were exchanged and no sale of shares occurred in the transfer.

F2: 96,000 shares were transferred as an irrevocable arms-length gift from the JCM Management Trust to JM Family, LP (the "LP"). The reporting person does not have any direct or indirect ownership interest in the LP, and does not have any direct or indirect management control over the LP. No funds were exchanged and no sale of shares occurred in the transfer.

F3: Shares sold pursuant to the reporting person's 10b5-1 plan.

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 $381.32 to $382.28. 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 $382.34 to $383.33. 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 $383.42 to $384.37. 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 $384.46 to $385.32. 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: 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 $385.59 to $386.28. 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.

F9: 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 $386.83 to $387.81. 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.

F10: 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 $387.87 to $388.28. 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.

F11: 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 $389.34 to $390.32. 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.

F12: 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 $390.36 to $391.31. 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.

F13: 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 $391.48 to $392.18. 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.

F14: 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 $392.61 to $393.32. 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.

F15: 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 $393.70 to $394.01. 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.

F16: 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 $399.97 to $400.32. 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.