| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 23 Jun 2023 | 21 Jan 2023 | 001-11737 | |
| 3 | Open Document | Open Filing | 08 Sep 2022 | 17 May 2022 | 001-11737 | |
| SC 13D | Open Document | Open Filing | 08 Sep 2022 | |||
| SC 13D/A | Open Document | Open Filing | 30 Mar 2021 | |||
| 4 | Open Document | Open Filing | 29 Mar 2021 | 10 Sep 2015 | 033-17773-NY | |
| 4 | Open Document | Open Filing | 25 Jul 2018 | 10 Sep 2015 | 033-17773-NY | |
| SC 13D | Open Document | Open Filing | 180725 OERBEKKER SCHEDULE 13D | 25 Jul 2018 | ||
| SC 13D/A | Open Document | Open Filing | 24 Nov 2015 | |||
| 4 | Open Document | Open Filing | 24 Nov 2015 | 20 Nov 2015 | 000-26533 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Sep 2015 | 10 Sep 2015 | 033-17773-NY |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 21 Sep 2015 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2015 | 12 May 2015 | 033-17773-NY |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 22 May 2015 | ||
| SC 13D/A | Open Document | Open Filing | 27 Mar 2015 | |||
| 3 | Open Document | Open Filing | 26 Mar 2015 | 23 Mar 2015 | 000-26533 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 12 May 2014 |