| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Aug 2023 | 31 Aug 2023 | 811-23460 |
| 4 | Open Document | Open Filing | 29 Jul 2022 | 16 May 2022 | 811-23460 | |
| 4 | Open Document | Open Filing | 08 Mar 2022 | 03 Jan 2022 | 811-23460 | |
| 4 | Open Document | Open Filing | 21 Sep 2021 | 01 Jul 2021 | 811-23460 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Oct 2020 | 02 Oct 2020 | 811-23460 |