Filing Details

Accession Number:
0000921895-22-002519
Form Type:
4
Zero Holdings:
No
Publication Time:
2022-08-23 16:23:03
Reporting Period:
2022-08-19
Accepted Time:
2022-08-23 16:23:03
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1410172 Rubicon Technology Inc. RBCN () DE
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1399386 Bandera Partners Llc 50 Broad Street, Suite 1820
New York NY 10004
No No Yes Yes
1427289 Gregory Bylinsky C/O Bandera Partners Llc
50 Broad Street, Suite 1820
New York NY 10004
No No Yes Yes
1427290 Jefferson Gramm C/O Bandera Partners Llc
50 Broad Street, Suite 1820
New York NY 10004
Yes No Yes Yes
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock, $0.001 Par Value Per Share Disposition 2022-08-19 3,059 $20.00 3,021 No 4 S Direct
Common Stock, $0.001 Par Value Per Share Disposition 2022-08-19 129,933 $20.00 128,323 No 4 S Indirect See footnote
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
No 4 S Indirect See footnote
Footnotes
  1. 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.
  2. 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.