| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 19 Mar 2024 | 17 Mar 2024 | 000-21617 | |
| 4/A | Open Document | Open Filing | 22 Jun 2023 | 16 Jun 2023 | 000-21617 | |
| 4 | Open Document | Open Filing | 21 Jun 2023 | 19 Jun 2023 | 000-21617 | |
| 4 | Open Document | Open Filing | 05 Jul 2022 | 01 Jul 2022 | 000-21617 | |
| 4/A | Open Document | Open Filing | 11 Apr 2022 | 10 Mar 2022 | 000-21617 | |
| 4 | Open Document | Open Filing | 16 Mar 2022 | 10 Mar 2022 | 000-21617 | |
| 4 | Open Document | Open Filing | 10 Jun 2021 | 09 Jun 2021 | 000-21617 | |
| 4 | Open Document | Open Filing | 11 Sep 2020 | 10 Sep 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | 02 Jul 2020 | 01 Jul 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | 02 Apr 2020 | 01 Apr 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | 03 Jan 2020 | 01 Jan 2020 | 000-21617 | |
| 4 | Open Document | Open Filing | 03 Oct 2019 | 01 Oct 2019 | 000-21617 | |
| 4 | Open Document | Open Filing | 16 Aug 2019 | 14 Aug 2019 | 000-21617 | |
| 4 | Open Document | Open Filing | 02 Oct 2017 | 29 Sep 2017 | 000-21617 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Jun 2015 | 16 Jun 2015 | 000-21617 |