| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 28 Jul 2025 | 25 Jul 2025 | 000-17077 | |
| 4 | Open Document | Open Filing | 15 May 2025 | 14 May 2025 | 000-17077 | |
| 4 | Open Document | Open Filing | 11 Feb 2025 | 07 Feb 2025 | 000-17077 | |
| 5 | Open Document | Open Filing | 31 Jan 2025 | 31 Dec 2024 | 000-17077 | |
| 4 | Open Document | Open Filing | 01 May 2024 | 30 Apr 2024 | 000-17077 | |
| 5 | Open Document | Open Filing | 22 Jan 2024 | 31 Dec 2023 | 000-17077 | |
| 4 | Open Document | Open Filing | 18 Jan 2024 | 17 Jan 2024 | 000-17077 | |
| 5 | Open Document | Open Filing | 31 Jan 2023 | 31 Dec 2022 | 000-17077 | |
| 4 | Open Document | Open Filing | 24 Jan 2023 | 20 Jan 2023 | 000-17077 | |
| 4 | Open Document | Open Filing | 19 Jul 2022 | 15 Jul 2022 | 000-17077 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jun 2022 | 14 Jun 2022 | 000-17077 |
| 4 | Open Document | Open Filing | 20 May 2022 | 20 May 2022 | 000-17077 | |
| 4 | Open Document | Open Filing | 19 May 2022 | 19 May 2022 | 000-17077 | |
| 4 | Open Document | Open Filing | 05 May 2022 | 05 May 2000 | 000-17077 | |
| 4/A | Open Document | Open Filing | 03 May 2022 | 27 Apr 2022 | 000-17077 | |
| 4 | Open Document | Open Filing | 03 May 2022 | 03 May 2022 | 000-17077 | |
| 4 | Open Document | Open Filing | 28 Apr 2022 | 27 Apr 2022 | 000-17077 | |
| 4 | Open Document | Open Filing | 01 Feb 2022 | 18 Jan 2022 | 000-17077 | |
| 5 | Open Document | Open Filing | 01 Feb 2022 | 31 Dec 2021 | 000-17077 | |
| 4 | Open Document | Open Filing | 12 Aug 2021 | 12 Aug 2021 | 000-17077 | |
| 4 | Open Document | Open Filing | 12 Aug 2021 | 12 Aug 2021 | 000-17077 | |
| 4 | Open Document | Open Filing | 03 Aug 2021 | 03 Aug 2021 | 000-17077 | |
| 4 | Open Document | Open Filing | 03 Aug 2021 | 02 Aug 2021 | 000-17077 | |
| 4 | Open Document | Open Filing | 05 May 2021 | 05 May 2021 | 000-17077 | |
| 4 | Open Document | Open Filing | 27 Apr 2021 | 27 Apr 2021 | 000-17077 | |
| 4 | Open Document | Open Filing | 14 Apr 2021 | 09 Apr 2021 | 000-17077 | |
| 4 | Open Document | Open Filing | 04 Feb 2021 | 03 Feb 2021 | 000-17077 | |
| 5 | Open Document | Open Filing | 02 Feb 2021 | 31 Dec 2020 | 000-17077 | |
| 4 | Open Document | Open Filing | 12 Mar 2020 | 11 Mar 2020 | 000-17077 | |
| 4 | Open Document | Open Filing | 10 Mar 2020 | 10 Mar 2020 | 000-17077 | |
| 5 | Open Document | Open Filing | 05 Feb 2020 | 31 Dec 2019 | 000-17077 | |
| 4 | Open Document | Open Filing | 01 Apr 2019 | 15 Mar 2019 | 000-17077 | |
| 5 | Open Document | Open Filing | 01 Feb 2019 | 31 Dec 2018 | 000-17077 | |
| 4 | Open Document | Open Filing | 27 Aug 2018 | 23 Mar 2017 | 000-17077 | |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Feb 2018 | 31 Dec 2017 | 000-17077 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Feb 2017 | 31 Dec 2016 | 000-17077 |
| 5 | Open Document | Open Filing | 09 Feb 2016 | 31 Dec 2015 | 000-17077 | |
| 5 | Open Document | Open Filing | 11 Feb 2015 | 31 Dec 2014 | 000-17077 | |
| 5 | Open Document | Open Filing | 05 Feb 2014 | 31 Dec 2013 | 000-17077 |