| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2022 | 03 Mar 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2022 | 01 Feb 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2021 | 09 Dec 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2021 | 19 Nov 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2021 | 16 Nov 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2021 | 15 Nov 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2021 | 02 Sep 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2021 | 18 Jun 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2021 | 29 Apr 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2021 | 19 May 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Mar 2021 | 04 Mar 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2020 | 10 Dec 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2020 | 21 Nov 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Nov 2020 | 19 Nov 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2020 | 15 Nov 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2020 | 03 Sep 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2020 | 18 Jun 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2020 | 04 Jun 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2020 | 05 Mar 2020 | 000-12247 |
| 4/A | Open Document | Open Filing | FORM 4/A | 09 Jan 2020 | 12 Dec 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2019 | 12 Dec 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Nov 2019 | 21 Nov 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2019 | 15 Nov 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Sep 2019 | 05 Sep 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jun 2019 | 18 Jun 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2019 | 06 Jun 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2019 | 07 Mar 2019 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2018 | 06 Dec 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Nov 2018 | 23 Nov 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2018 | 16 Nov 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2018 | 15 Nov 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Sep 2018 | 06 Sep 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2018 | 18 Jun 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2018 | 07 Jun 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2018 | 08 Mar 2018 | 000-12247 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2018 | 07 Feb 2018 | 000-12247 |