0001214659-23-005047.txt : 20230406
0001214659-23-005047.hdr.sgml : 20230406
20230406164813
ACCESSION NUMBER: 0001214659-23-005047
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230403
FILED AS OF DATE: 20230406
DATE AS OF CHANGE: 20230406
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Hsing Michael
CENTRAL INDEX KEY: 0001308676
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-51026
FILM NUMBER: 23806825
MAIL ADDRESS:
STREET 1: 79 GREAT OAKS BLVD
CITY: SAN JOSE
STATE: CA
ZIP: 95119
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: MONOLITHIC POWER SYSTEMS INC
CENTRAL INDEX KEY: 0001280452
STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674]
IRS NUMBER: 770466789
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 5808 LAKE WASHINGTON BLVD. NE
CITY: KIRKLAND
STATE: WA
ZIP: 98033
BUSINESS PHONE: 425-296-9956
MAIL ADDRESS:
STREET 1: 5808 LAKE WASHINGTON BLVD. NE
CITY: KIRKLAND
STATE: WA
ZIP: 98033
4
1
marketforms-61126.xml
PRIMARY DOCUMENT
X0407
4
2023-04-03
0001280452
MONOLITHIC POWER SYSTEMS INC
MPWR
0001308676
Hsing Michael
5808 LAKE WASHINGTON BLVD NE
KIRKLAND
WA
98033
true
true
false
false
CEO
0
Common Stock
2023-04-03
4
S
false
11100
487.99
D
1050049
D
Common Stock
133040
I
by M Hsing 04 Trust
Common Stock
12825
I
ZH Family 2020 Trust
The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plan.
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 $487.99 to $488.00. 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.
Ending balance includes 33 shares acquired on February 15, 2023 through the Company's qualified ESPP program.
/s/ Saria Tseng, attorney-in-fact for Mr. Michael R. Hsing
2023-04-05