Insiders / Seirer Darren Clay
Seirer Darren Clay
CIK 1943926personinsider
Companies
2
First seen
Aug 29, 2022
Last activity
Dec 3, 2025
Companies
| Company | Shares held | Latest |
|---|---|---|
| Rubicon Technology, Inc. · RBCN | 451,842 | — |
| Janel Corp · JANL | — | — |
All securities held
1 position · latest reported per filing
Shares
| Company | Security | Shares |
|---|---|---|
| Rubicon Technology, Inc. | Common stock | 451,842 |
Ownership percentages elsewhere on the site count common and ordinary shares only, because that is what shares outstanding are measured in. Everything above is a real holding; not all of it is a share of the company.