0001214659-22-000324.txt : 20220105
0001214659-22-000324.hdr.sgml : 20220105
20220105161057
ACCESSION NUMBER: 0001214659-22-000324
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20220103
FILED AS OF DATE: 20220105
DATE AS OF CHANGE: 20220105
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Tseng Saria
CENTRAL INDEX KEY: 0001312593
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-51026
FILM NUMBER: 22511231
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-54757.xml
PRIMARY DOCUMENT
X0306
4
2022-01-03
0001280452
MONOLITHIC POWER SYSTEMS INC
MPWR
0001312593
Tseng Saria
5808 LAKE WASHINGTON BLVD NE
KIRKLAND
WA
98033
false
true
false
false
VP & General Counsel
Common Stock
2022-01-03
4
S
false
4305
490.87
D
246603
D
The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plan.
Ending balance adjusted by 1 share to correct the reported number of shares held by the reporting person.
/s/ Saria Tseng
2022-01-05