Mr. James C. Moyer - 12 Nov 2021 Form 4 Insider Report for MONOLITHIC POWER SYSTEMS INC (MPWR)

Role: Director
Signature: /s/ Saria Tseng, attorney-in-fact for Mr. James C. Moyer
Issuer symbol: MPWR
Transactions as of: 12 Nov 2021
Net transactions value: -$1,110,620
Form type: 4
Filing time: 18 Nov 2021, 18:49:02 UTC
Previous filing: 10 Aug 2021
Next filing: 09 Feb 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MPWR	Common Stock	Sale	$1,110,620	-2,000	-3%	$555.31	64,823	12 Nov 2021	by Moyer FamilyTrust	F1
holding	MPWR	Common Stock						265,663	12 Nov 2021	JCM Management Trust
holding	MPWR	Common Stock						233,841	12 Nov 2021	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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 $555.20 to $555.98. 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.

Content

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 $555.20 to $555.98. 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.