Michael Hsing - 12 May 2021 Form 4 Insider Report for MONOLITHIC POWER SYSTEMS INC (MPWR)

Signature
/s/ Saria Tseng, attorney-in-fact for Mr. Michael R. Hsing
Issuer symbol
MPWR
Transactions as of
12 May 2021
Transactions value $
-$2,096,363
Form type
4
Filing time
14 May 2021, 16:53:05 UTC
Previous filing
12 May 2021
Next filing
06 Jul 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPWR Common Stock Sale -$2.1M -6.72K -0.66% $311.82 1.01M 12 May 2021 Direct F1
holding MPWR Common Stock 12.8K 12 May 2021 ZH Family 2020 Trust F2
holding MPWR Common Stock 133K 12 May 2021 by M Hsing 04 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 ZH Family 2020 Irrevocable Trust dated December 18, 2020, of which Michael Hsing and Alliance Trust Company of Nevada are co-trustees.
F3 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.