0000921895-22-002519.txt : 20220823 0000921895-22-002519.hdr.sgml : 20220823 20220823162303 ACCESSION NUMBER: 0000921895-22-002519 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220819 FILED AS OF DATE: 20220823 DATE AS OF CHANGE: 20220823 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Bandera Partners LLC CENTRAL INDEX KEY: 0001399386 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33834 FILM NUMBER: 221187760 BUSINESS ADDRESS: STREET 1: 50 BROAD STREET, SUITE 1820 CITY: NEW YORK STATE: NY ZIP: 10004 BUSINESS PHONE: 2122324582 MAIL ADDRESS: STREET 1: 50 BROAD STREET, SUITE 1820 CITY: NEW YORK STATE: NY ZIP: 10004 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gramm Jefferson CENTRAL INDEX KEY: 0001427290 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33834 FILM NUMBER: 221187761 MAIL ADDRESS: STREET 1: C/O BANDERA PARTNERS LLC STREET 2: 50 BROAD STREET, SUITE 1820 CITY: NEW YORK STATE: NY ZIP: 10004 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Bylinsky Gregory CENTRAL INDEX KEY: 0001427289 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33834 FILM NUMBER: 221187759 MAIL ADDRESS: STREET 1: C/O BANDERA PARTNERS LLC STREET 2: 50 BROAD STREET, SUITE 1820 CITY: NEW YORK STATE: NY ZIP: 10004 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 form408706011_08232022.xml OWNERSHIP DOCUMENT X0306 4 2022-08-19 1 0001410172 Rubicon Technology, Inc. RBCN 0001427290 Gramm Jefferson C/O BANDERA PARTNERS LLC 50 BROAD STREET, SUITE 1820 NEW YORK NY 10004 1 0 1 1 See Footnote 1 0001399386 Bandera Partners LLC 50 BROAD STREET, SUITE 1820 NEW YORK NY 10004 0 0 1 1 See Footnote 1 0001427289 Bylinsky Gregory C/O BANDERA PARTNERS LLC 50 BROAD STREET, SUITE 1820 NEW YORK NY 10004 0 0 1 1 See Footnote 1 Common Stock, $0.001 Par Value Per Share 2022-08-19 4 S 0 3059 20.0000 D 3021 D Common Stock, $0.001 Par Value Per Share 2022-08-19 4 S 0 129933 20.0000 D 128323 I See footnote This Form 4 is filed jointly by Bandera Partners LLC ("Bandera Partners"), Gregory Bylinsky and Jefferson Gramm (collectively, the "Reporting Persons"). Each of the Reporting Persons are members of a Section 13(d) group that no longer collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein. As of August 19, 2022, Mr. Gramm no longer serves on the Issuer's board of directors. Bandera Partners is the investment manager of Bandera Master Fund L.P. ("Bandera Master Fund"), in whose name the shares are held. Messrs. Bylinsky and Gramm are the Managing Members of Bandera Partners. Bandera Master Fund has delegated to Bandera Partners the sole and exclusive authority to vote and dispose of the securities held by Bandera Master Fund. As a result, each of Bandera Partners and Messrs. Bylinsky and Gramm may be deemed to beneficially own the shares held by Bandera Master Fund. /s/ Jefferson Gramm 2022-08-23 /s/ Jefferson Gramm, Managing Member, on behalf of Bandera Partners LLC 2022-08-23 /s/ Gregory Bylinsky 2022-08-23