EDGAR Filing Documents for 0001213900-19-009976

Form 4 - Statement of changes in beneficial ownership of securities:

SEC Accession No. 0001213900-19-009976

Filing Date

2019-06-03

Accepted

2019-06-03 19:44:59

Documents

Period of Report

2019-05-29

Document Format Files

Seq	Description	Document	Type	Size
1		ownership.html	4
1		ownership.xml	4	5569
	Complete submission text file	0001213900-19-009976.txt		7176

Mailing Address 875 N. MICHIGAN AVE. STE 3000 CHICAGO IL 60611

Business Address 875 NORTH MICHIGAN AVE SUITE 3000 CHICAGO IL 60611 3122555000

MIKOLAJCZYK MICHAEL E (Reporting) CIK: 0001224360 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 0331
Type: 4 | Act: 34 | File No.: 001-33834 | Film No.: 19874979
SIC: 8742 Services-Management Consulting Services

Mailing Address 900 EAST GREEN STREET BENSENVILLE IL 60106

Business Address 900 EAST GREEN STREET BENSENVILLE IL 60106 (847) 295-7000

Rubicon Technology, Inc. (Issuer) CIK: 0001410172 (see all company filings)

IRS No.: 364419301 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3674 Semiconductors & Related Devices