| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | 23 Feb 2022 | 22 Feb 2022 | 000-23357 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 12 Jan 2022 | 22 Dec 2021 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 30 Dec 2021 | 22 Dec 2021 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Oct 2021 | 22 Oct 2021 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Dec 2020 | 02 Dec 2020 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Dec 2019 | 02 Dec 2019 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Jun 2019 | 10 Jun 2019 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Feb 2019 | 08 Feb 2019 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Sep 2018 | 11 Sep 2018 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Feb 2018 | 16 Feb 2018 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 31 Oct 2017 | 27 Oct 2017 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Mar 2017 | 01 Mar 2017 | 000-23357 |
| 4 | Open Document | Open Filing | 4 | 16 Sep 2015 | 14 Sep 2015 | 000-23357 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 Mar 2015 | 13 Mar 2015 | 000-23357 |