| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 09 Feb 2023 | ||
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 18 Jan 2023 | 16 Dec 2022 | 001-34099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Dec 2022 | 16 Dec 2022 | 001-34099 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 16 Feb 2021 | 31 Dec 2020 | 001-34099 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 18 Sep 2020 | ||
| SC 13D | Open Document | Open Filing | SC 13D | 21 Jul 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jul 2017 | 13 Jul 2017 | 001-34099 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Jul 2015 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2015 | 01 Jul 2015 | 000-21755 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 17 Feb 2015 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 17 Feb 2015 | ||
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2015 | 15 Dec 2014 | 000-21755 |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 12 TO SCHEDULE 13G | 14 Feb 2014 | ||
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 5 TO SCHEDULE 13G | 14 Feb 2014 |