Rubicon Technology, Inc.
SEC CIK 1410172 · RBCN · last insider filing 2023-02-24
Directors (from insider filings)
| Name | Capacity as filed | Filings |
|---|---|---|
| Brog Timothy E | Director · President and CEO | filed 2016–2023 |
| Eidinger John | Director | filed 2022–2022 |
| Seirer Darren Clay | Director | filed 2022–2022 |
| Gramm Jefferson | Director | filed 2017–2022 |
| Mikolajczyk Michael E | Director | filed 2007–2022 |
| Westphal Susan | Director | filed 2017–2022 |
| Caldwell Donald R | Director | filed 2007–2017 |
| Aquilano Don N | Director | filed 2007–2017 |
| Spencer Raymond J | Director | filed 2008–2017 |
| Weissman William F | Director · President and CEO | filed 2007–2015 |
| Parvez Raja M | Director · President/CEO | filed 2007–2014 |
| Hunter Gordon | Director · Director | filed 2007–2010 |
Officers (from insider filings)
| Name | Title as filed | Filings |
|---|---|---|
| Lusardi Kevin Timothy | Chief Financial Officer | filed 2021–2021 |
| Rich Mathew Jason | Chief Financial Officer | filed 2019–2019 |
| Slavutsky Inga A | Chief Financial Officer | filed 2018–2018 |
| Graffy Mardel A | VP - Financial Operations | filed 2014–2018 |
| Tamim Hany | Chief Operating Officer | filed 2015–2017 |
| Hewes Happy R | SVP-Sales, Mkt. & Asst. Sec. | filed 2007–2009 |
About this record
From the SEC's insider-transaction filings (Forms 3, 4 and 5). Every reporting director and officer carries a Commission-assigned identifier (CIK), so these footprints are identifier-verified - no name matching involved. Insiders file when they transact, so dates are filing dates: "last filed" never means "served until". This layer is not yet joined to the nonprofit register - identity joins ship only after independent review.
Source: SEC Insider Transactions Data Sets (Forms 3/4/5), US Federal Government public domain.