0001214659-21-011419.txt : 20211110
0001214659-21-011419.hdr.sgml : 20211110
20211110175940
ACCESSION NUMBER: 0001214659-21-011419
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20211108
FILED AS OF DATE: 20211110
DATE AS OF CHANGE: 20211110
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Sciammas Maurice
CENTRAL INDEX KEY: 0001360833
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-51026
FILM NUMBER: 211398130
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-54052.xml
PRIMARY DOCUMENT
X0306
4
2021-11-08
0001280452
MONOLITHIC POWER SYSTEMS INC
MPWR
0001360833
Sciammas Maurice
5808 LAKE WASHINGTON BLVD NE
KIRKLAND
WA
98033
false
true
false
false
Sr. V.P.of Sales and Marketing
Common Stock
2021-11-08
4
S
false
2022
548.27
D
278831
D
Common Stock
2000
I
Peter Rafferty and Eric Toothill 2021Trust
Common Stock
2000
I
Rosalind Sciammas Family 2021 Trust
Common Stock
5000
I
Clement Sciammas Family 2021 Trust
Common Stock
23015
I
By Sciammas Trust 2020
Common Stock
5446
I
by Family Trust
Common Stock
15449
I
By GRAT
The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plan.
/s/ Saria Tseng, attorney-in-fact for Mr. Maurice Sciammas
2021-11-10