| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2022 | 10 Nov 2022 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2022 | 17 Jun 2022 | 001-39420 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2021 | 11 Nov 2021 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jul 2021 | 16 Jul 2021 | 001-39420 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2021 | 19 May 2021 | 001-39420 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2021 | 19 Apr 2021 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2020 | 12 Nov 2020 | 000-22874 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 04 Aug 2020 | 04 Aug 2020 | 001-39420 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2019 | 02 Dec 2019 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2019 | 14 Nov 2019 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Oct 2019 | 30 Oct 2019 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2019 | 30 Sep 2019 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2018 | 15 Nov 2018 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Dec 2017 | 08 Dec 2017 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2017 | 16 Nov 2017 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2017 | 15 Apr 2017 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Dec 2016 | 08 Dec 2016 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2016 | 16 Nov 2016 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Apr 2016 | 15 Apr 2016 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Dec 2015 | 08 Dec 2015 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2015 | 18 Nov 2015 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Apr 2015 | 15 Apr 2015 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Dec 2014 | 08 Dec 2014 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2014 | 15 Apr 2014 | 000-22874 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Apr 2014 | 15 Apr 2014 | 000-22874 |