0001213900-22-049870.txt : 20220822
0001213900-22-049870.hdr.sgml : 20220822
20220822080112
ACCESSION NUMBER: 0001213900-22-049870
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20220819
FILED AS OF DATE: 20220822
DATE AS OF CHANGE: 20220822
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: MIKOLAJCZYK MICHAEL E
CENTRAL INDEX KEY: 0001224360
STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
STATE OF INCORPORATION: DE
FISCAL YEAR END: 0331
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-33834
FILM NUMBER: 221182238
BUSINESS ADDRESS:
STREET 1: 875 NORTH MICHIGAN AVE SUITE 3000
CITY: CHICAGO
STATE: IL
ZIP: 60611
BUSINESS PHONE: 3122555000
MAIL ADDRESS:
STREET 1: 875 N. MICHIGAN AVE.
STREET 2: STE 3000
CITY: CHICAGO
STATE: IL
ZIP: 60611
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Rubicon Technology, Inc.
CENTRAL INDEX KEY: 0001410172
STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674]
IRS NUMBER: 364419301
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 900 EAST GREEN STREET
CITY: BENSENVILLE
STATE: IL
ZIP: 60106
BUSINESS PHONE: (847) 295-7000
MAIL ADDRESS:
STREET 1: 900 EAST GREEN STREET
CITY: BENSENVILLE
STATE: IL
ZIP: 60106
4
1
ownership.xml
X0306
4
2022-08-19
0
0001410172
Rubicon Technology, Inc.
RBCN
0001224360
MIKOLAJCZYK MICHAEL E
C/O RUBICON TECHNOLOGY, INC.,
900 EAST GREEN ST., UNIT A
BENSENVILLE
IL
60106
1
0
0
0
Common Stock
2022-08-19
4
S
0
31851
20.00
D
31456
D
/s/ Timothy Brog Attorney in Fact
2022-08-22