Deming Xiao - May 10, 2021 Form 4 Insider Report for MONOLITHIC POWER SYSTEMS INC (MPWR)

Role
Pres. of MPS Asia Operations
Signature
/s/ Saria Tseng, attorney-in-fact for Mr. Deming Xiao
Stock symbol
MPWR
Transactions as of
May 10, 2021
Transactions value $
-$716,805
Form type
4
Date filed
5/12/2021, 04:15 PM
Next filing
May 14, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPWR Common Stock Sale -$717K -2.2K -0.67% $326.41 325K May 10, 2021 Direct F1, F2
holding MPWR Common Stock 1.1K May 10, 2021 by Spouse
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plan.
F2 49 shares acquired through the Company's qualified ESPP program.