| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2023 | 01 Feb 2023 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2023 | 03 Jan 2023 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2022 | 20 May 2022 | 000-18051 |
| 4/A | Open Document | Open Filing | FORM 4/A | 04 Feb 2022 | 01 Feb 2022 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2022 | 01 Feb 2022 | 000-18051 |
| 4/A | Open Document | Open Filing | FORM 4/A | 19 Jan 2022 | 12 Jan 2022 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jan 2022 | 12 Jan 2022 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2021 | 10 Mar 2021 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2021 | 02 Feb 2021 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2020 | 28 Dec 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Oct 2020 | 30 Sep 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2020 | 01 Sep 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2020 | 20 May 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2020 | 12 Feb 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Sep 2019 | 06 Sep 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2019 | 13 May 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Feb 2019 | 13 Feb 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2018 | 08 Jun 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2018 | 09 Mar 2018 | 000-18051 |
| 4/A | Open Document | Open Filing | FORM 4/A | 20 Feb 2018 | 14 Feb 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2018 | 14 Feb 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jan 2017 | 11 Jan 2017 | 000-18051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2016 | 12 Jan 2016 | 000-18051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jan 2015 | 16 Jan 2015 | 000-18051 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Oct 2014 | 11 Oct 2014 | 000-18051 |