| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 31 Oct 2023 | 27 Oct 2023 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Oct 2022 | 14 Oct 2022 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2022 | 10 Feb 2022 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2022 | 02 Feb 2022 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2021 | 08 Nov 2021 | 000-54697 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 03 Nov 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | 25 Oct 2021 | 21 Oct 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Oct 2021 | 14 Oct 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Oct 2021 | 30 Sep 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2021 | 03 Sep 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jul 2021 | 21 Jul 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jul 2021 | 09 Jul 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Apr 2021 | 07 Apr 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2021 | 23 Feb 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2021 | 17 Feb 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2021 | 10 Feb 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2021 | 05 Feb 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2020 | 11 Dec 2020 | 000-54697 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 11 Dec 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | 01 Oct 2020 | 29 Sep 2020 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Aug 2020 | 26 Aug 2020 | 000-54697 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 16 Jan 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | 27 Dec 2019 | 27 Dec 2019 | 000-54697 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Oct 2016 | 30 Sep 2016 | 000-54697 |
| SC 13D | Open Document | Open Filing | SC 13D | 13 Oct 2016 |