0000899243-16-010628.txt : 20160104 0000899243-16-010628.hdr.sgml : 20160104 20160104160919 ACCESSION NUMBER: 0000899243-16-010628 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20151230 FILED AS OF DATE: 20160104 DATE AS OF CHANGE: 20160104 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: 9931 FRANKLIN AVENUE CITY: FRANKLIN PARK STATE: IL ZIP: 60131 BUSINESS PHONE: (847) 295-7000 MAIL ADDRESS: STREET 1: 9931 FRANKLIN AVENUE CITY: FRANKLIN PARK STATE: IL ZIP: 60131 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: 161318189 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 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2015-12-30 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 2015-12-30 4 P 0 41300 1.20 A 169469 D Common Stock 2015-12-31 4 P 0 38700 1.19 A 208169 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.16 to $1.24, inclusive. The reporting person undertakes to provide to Rubicon Technology, Inc., any security holder of Rubicon Technology, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4. Includes 3,406 shares of restricted stock that vest on December 31, 2015, which were previously reported by the reporting person on Form 4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.16 to $1.24, inclusive. /s/ Scott Glickson, Attorney-in-Fact for Michael E. Mikolajczyk 2016-01-04