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Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
SEC Accession No. 0000921895-22-002518
Filing Date
2022-08-23
Accepted
2022-08-23 16:18:02
Documents
1

Document Format Files

Seq Description Document Type Size
1 AMENDMENT NO. 3 TO THE SCHEDULE 13D sc13da308706011_08232022.htm SC 13D/A 122892
  Complete submission text file 0000921895-22-002518.txt   124348
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 (Filed by) CIK: 0001399386 (see all company filings)

IRS No.: 205269850 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A

Mailing Address 900 EAST GREEN STREET BENSENVILLE IL 60106
Business Address 900 EAST GREEN STREET BENSENVILLE IL 60106 (847) 295-7000
Rubicon Technology, Inc. (Subject) CIK: 0001410172 (see all company filings)

IRS No.: 364419301 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-83694 | Film No.: 221187724
SIC: 3674 Semiconductors & Related Devices