Mr. James C. Moyer - 12 Dec 2022 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 Dec 2022
Net transactions value
-$15,461,024
Form type
4
Filing time
12 Dec 2022, 17:14:14 UTC
Previous filing
26 Sep 2022
Next filing
08 Feb 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPWR Common Stock Sale $1,348,577 -3,510 -4.2% $384.21 79,428 12 Dec 2022 JCM Management Trust F1, F2
transaction MPWR Common Stock Sale $2,000,460 -5,196 -6.5% $385.00 74,232 12 Dec 2022 JCM Management Trust F1, F3
transaction MPWR Common Stock Sale $7,159,190 -18,538 -25% $386.19 55,694 12 Dec 2022 JCM Management Trust F1, F4
transaction MPWR Common Stock Sale $1,916,384 -4,951 -8.9% $387.07 50,743 12 Dec 2022 JCM Management Trust F1, F5
transaction MPWR Common Stock Sale $1,056,394 -2,720 -5.4% $388.38 48,023 12 Dec 2022 JCM Management Trust F1, F6
transaction MPWR Common Stock Sale $1,848,055 -4,747 -9.9% $389.31 43,276 12 Dec 2022 JCM Management Trust F1, F7
transaction MPWR Common Stock Sale $131,965 -338 -0.78% $390.43 42,938 12 Dec 2022 JCM Management Trust F1
holding MPWR Common Stock 3,450 12 Dec 2022 by Moyer FamilyTrust
holding MPWR Common Stock 2,123 12 Dec 2022 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.