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

Role
CEO, Director
Signature
/s/ Saria Tseng, attorney-in-fact for Mr. Michael R. Hsing
Stock symbol
MPWR
Transactions as of
May 10, 2021
Transactions value $
-$2,767,556
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 -$2.77M -8.48K -0.83% $326.40 1.02M May 10, 2021 Direct F1
holding MPWR Common Stock 133K May 10, 2021 by M Hsing 04 Trust F2
holding MPWR Common Stock 12.8K May 10, 2021 ZH Family 2020 Trust F3
* 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 The securities are held by the Michael Hsing 2004 Tr Dtd 2/23/04 Michael Hsing TTEE Trust dated February 23, 2004, of which Michael Hsing is the trustee.
F3 The securities are held by the ZH Family 2020 Irrevocable Trust dated December 18, 2020, of which Michael Hsing and Alliance Trust Company of Nevada are co-trustees.