Schedule 13G ownership disclosure
Rubicon Technology, Inc.
Security class unavailable · CUSIP: 78112T107
Event date: Unavailable
Legacy cover-page extraction is best effort and may not include every reporting person.
- Filing-level shares
- 648,767
- Percent of class
- Unavailable
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0000912938-14-000366
- Form type
- SC 13G
- Filer
- MASSACHUSETTS FINANCIAL SERVICES CO /MA/
- CIK
- CIK 912938
- Filed
- Oct 02, 2014
- Reporting period
- —
- Description
- Schedule 13G beneficial ownership