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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000921895-22-002519
Filing Date
2022-08-23
Accepted
2022-08-23 16:23:03
Documents
1
Period of Report
2022-08-19

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT form408706011_08232022.html 4  
1 OWNERSHIP DOCUMENT form408706011_08232022.xml 4 8334
  Complete submission text file 0000921895-22-002519.txt   10613
Mailing Address 50 BROAD STREET, SUITE 1820 NEW YORK NY 10004
Business Address 50 BROAD STREET, SUITE 1820 NEW YORK NY 10004 2122324582
Bandera Partners LLC (Reporting) CIK: 0001399386 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-33834 | Film No.: 221187760

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

Mailing Address C/O BANDERA PARTNERS LLC 50 BROAD STREET, SUITE 1820 NEW YORK NY 10004
Business Address
Bylinsky Gregory (Reporting) CIK: 0001427289 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-33834 | Film No.: 221187759

Mailing Address C/O BANDERA PARTNERS LLC 50 BROAD STREET, SUITE 1820 NEW YORK NY 10004
Business Address
Gramm Jefferson (Reporting) CIK: 0001427290 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-33834 | Film No.: 221187761