| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 25 Apr 2025 | 23 Apr 2025 | 001-08061 | |
| 4 | Open Document | Open Filing | 02 Nov 2021 | 01 Nov 2021 | 001-08061 | |
| 4 | Open Document | Open Filing | 16 Mar 2021 | 15 Mar 2021 | 001-08061 | |
| 4 | Open Document | Open Filing | 13 Jan 2021 | 08 Jan 2021 | 001-08061 | |
| 4 | Open Document | Open Filing | 03 Nov 2020 | 01 Nov 2020 | 001-08061 | |
| 4 | Open Document | Open Filing | 06 Aug 2020 | 31 Jul 2020 | 001-08061 | |
| 4 | Open Document | Open Filing | 24 Sep 2019 | 23 Sep 2019 | 001-08061 | |
| 4 | Open Document | Open Filing | 19 Sep 2019 | 18 Sep 2019 | 001-08061 | |
| 4 | Open Document | Open Filing | 01 Feb 2019 | 28 Jan 2018 | 001-08061 | |
| 4 | Open Document | Open Filing | 17 Dec 2018 | 13 Dec 2018 | 001-08061 | |
| 4 | Open Document | Open Filing | 17 Dec 2018 | 14 Dec 2018 | 001-08061 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 May 2018 | 18 May 2018 | 001-08061 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Aug 2016 | 19 Aug 2016 | 001-08061 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2015 | 30 Apr 2015 | 001-08061 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Apr 2015 | 06 Apr 2015 | 001-08061 |