Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001213900-17-010272
Filing Date
2017-10-03
Accepted
2017-10-03 17:40:43
Documents
1
Period of Report
2017-09-30

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT f4093017caldwell_rubicon.html 4  
1 OWNERSHIP DOCUMENT f4093017caldwell_rubicon.xml 4 6020
  Complete submission text file 0001213900-17-010272.txt   7369
Mailing Address 5 RADNOR CORP CENTER STE 555 RADNOR PA 19087
Business Address
CALDWELL DONALD R (Reporting) CIK: 0001211700 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-33834 | Film No.: 171119472

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