| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Jan 2024 | 02 Jan 2024 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Dec 2023 | 15 Dec 2023 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Feb 2023 | 14 Feb 2023 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Feb 2023 | 03 Feb 2023 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jan 2023 | 03 Jan 2023 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Dec 2022 | 15 Dec 2022 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 May 2022 | 04 May 2022 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Apr 2022 | 15 Apr 2022 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Feb 2022 | 03 Feb 2022 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Feb 2022 | 31 Jan 2022 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Dec 2021 | 15 Dec 2021 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Nov 2021 | 15 Nov 2021 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Oct 2021 | 16 Oct 2021 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 14 May 2021 | 13 May 2021 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 May 2021 | 03 May 2021 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 19 Apr 2021 | 15 Apr 2021 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 10 Feb 2021 | 08 Feb 2021 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 19 Oct 2020 | 16 Oct 2020 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 22 May 2020 | 20 May 2020 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 19 May 2020 | 15 May 2020 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 04 Feb 2020 | 31 Jan 2020 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 18 Dec 2019 | 17 Dec 2019 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 17 Dec 2019 | 15 Dec 2019 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 09 Aug 2019 | 08 Aug 2019 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 20 May 2019 | 16 May 2019 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 25 Feb 2019 | 22 Feb 2019 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 18 Dec 2018 | 15 Dec 2018 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 06 Feb 2018 | 05 Feb 2018 | 000-21272 |
| 3 | Open Document | Open Filing | 3 | 12 Dec 2017 | 04 Dec 2017 | 000-21272 |