Deming Xiao - Aug 2, 2021 Form 4 Insider Report for MONOLITHIC POWER SYSTEMS INC (MPWR)

Signature
/s/ Saria Tseng, attorney-in-fact for Mr. Deming Xiao
Stock symbol
MPWR
Transactions as of
Aug 2, 2021
Transactions value $
-$2,955,808
Form type
4
Date filed
8/4/2021, 04:17 PM
Previous filing
Jul 6, 2021
Next filing
Aug 11, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPWR Common Stock Sale -$1.77M -3.9K -1.24% $454.40 310K Aug 2, 2021 Direct F1, F2
transaction MPWR Common Stock Sale -$547K -1.2K -0.39% $455.46 309K Aug 2, 2021 Direct F3
transaction MPWR Common Stock Sale -$456K -1K -0.32% $456.46 308K Aug 2, 2021 Direct F4
transaction MPWR Common Stock Sale -$183K -400 -0.13% $457.27 307K Aug 2, 2021 Direct F5
holding MPWR Common Stock 1.1K Aug 2, 2021 by Spouse
* 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 $453.86 to $454.63. 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.
F2 Ending balance adjusted to to reflect RSU release not previously reported.
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 $455.00 to $455.93. 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 $456.04 to $456.98. 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.
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 $457.06 to $457.53. 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.