| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Feb 2025 | 04 Feb 2025 | 000-21272 |
| 144 | Open Document | Open Filing | 04 Feb 2025 | |||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Jan 2025 | 30 Jan 2025 | 000-21272 |
| 144 | Open Document | Open Filing | 30 Jan 2025 | |||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Nov 2024 | 07 Nov 2024 | 000-21272 |
| 144 | Open Document | Open Filing | 07 Nov 2024 | |||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Aug 2024 | 31 Jul 2024 | 000-21272 |
| 144 | Open Document | Open Filing | 31 Jul 2024 | |||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 May 2024 | 09 May 2024 | 000-21272 |
| 144 | Open Document | Open Filing | 09 May 2024 | |||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Mar 2024 | 15 Mar 2024 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Nov 2023 | 20 Nov 2023 | 000-21272 |
| 144 | Open Document | Open Filing | 20 Nov 2023 | |||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Aug 2023 | 22 Aug 2023 | 000-21272 |
| 144 | Open Document | Open Filing | 22 Aug 2023 | |||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Mar 2023 | 15 Mar 2023 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Mar 2022 | 15 Mar 2022 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 19 Apr 2021 | 15 Apr 2021 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 18 Mar 2020 | 16 Mar 2020 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 19 Mar 2019 | 15 Mar 2019 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 18 Sep 2018 | 17 Sep 2018 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 16 Mar 2018 | 15 Mar 2018 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 17 Mar 2017 | 15 Mar 2017 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 17 Mar 2016 | 15 Mar 2016 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 18 Mar 2015 | 16 Mar 2015 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 19 Mar 2014 | 17 Mar 2014 | 000-21272 |
| 4 | Open Document | Open Filing | 4 | 18 Dec 2013 | 16 Dec 2013 | 000-21272 |
| 3 | Open Document | Open Filing | 3 | 18 Dec 2013 | 09 Dec 2013 | 000-21272 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2012 | 25 Jul 2012 | 001-07221 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2012 | 05 May 2012 | 001-07221 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2012 | 02 May 2012 | 001-07221 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2012 | 22 Feb 2012 | 001-07221 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2012 | 28 Jan 2012 | 001-07221 |