| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 08 Sep 2021 | 06 Sep 2021 | 001-00035 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 29 Jul 2021 | 28 Jul 2021 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Mar 2021 | 19 Mar 2021 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2021 | 10 Feb 2021 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Sep 2020 | 11 Sep 2020 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2020 | 06 Sep 2020 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2020 | 03 Sep 2020 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2020 | 28 Jul 2020 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2020 | 09 Jun 2020 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2020 | 02 Mar 2020 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2020 | 26 Feb 2020 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2020 | 10 Feb 2020 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Sep 2019 | 11 Sep 2019 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Sep 2019 | 06 Sep 2019 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2019 | 28 Jul 2019 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2019 | 24 Jul 2019 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2019 | 19 Mar 2019 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2019 | 10 Feb 2019 | 001-00035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2018 | 11 Sep 2018 | 001-00035 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Sep 2018 | 07 Sep 2018 | 001-00035 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Feb 2016 | 17 Feb 2016 | 001-35756 |