| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Nov 2022 | 10 Nov 2022 | 001-07677 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 10 Nov 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Aug 2022 | 15 Aug 2022 | 001-07677 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 16 Aug 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Aug 2022 | 10 Aug 2022 | 001-07677 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 10 Aug 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Oct 2021 | 08 Oct 2021 | 001-07677 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 12 Oct 2021 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 27 Sep 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Sep 2021 | 27 Sep 2021 | 001-07677 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 20 Jul 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2016 | 19 May 2016 | 001-07677 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 20 May 2016 | ||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 14 Dec 2015 | ||
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 14 Dec 2015 | 04 Dec 2015 | 001-07677 |