THEODORE BLEGEN - 20 Sep 2021 Form 4 Insider Report for MONOLITHIC POWER SYSTEMS INC (MPWR)

Role
CFO
Signature
/s/ Saria Tseng, attorney-in-fact for Mr. Bernie Blegen
Issuer symbol
MPWR
Transactions as of
20 Sep 2021
Net transactions value
-$916,228
Form type
4
Filing time
21 Sep 2021, 17:53:08 UTC
Previous filing
23 Aug 2021
Next filing
05 Oct 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPWR Common Stock Sale $259,783 -540 -0.41% $481.08 129,902 20 Sep 2021 Direct F1, F2
transaction MPWR Common Stock Sale $192,848 -400 -0.31% $482.12 129,502 20 Sep 2021 Direct F1, F3
transaction MPWR Common Stock Sale $183,605 -380 -0.29% $483.17 129,122 20 Sep 2021 Direct F1, F4
transaction MPWR Common Stock Sale $116,186 -240 -0.19% $484.11 128,882 20 Sep 2021 Direct F1, F5
transaction MPWR Common Stock Sale $97,010 -200 -0.16% $485.05 128,682 20 Sep 2021 Direct F1, F6
transaction MPWR Common Stock Sale $9,717 -20 -0.02% $485.87 128,662 20 Sep 2021 Direct F1
transaction MPWR Common Stock Sale $38,513 -79 -0.06% $487.51 128,583 20 Sep 2021 Direct F1, F7
transaction MPWR Common Stock Sale $18,565 -38 -0.03% $488.55 128,545 20 Sep 2021 Direct F1, F8
* 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 $480.61 to $481.54. 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 $481.61 to $482.52. 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 $482.64 to $483.57. 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 $483.66 to $484.52. 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 $484.66 to $485.62. 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 $487.23 to $487.86. 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 $488.44 to $488.68. 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.