| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 12 Aug 2024 | 08 Aug 2024 | 001-41405 | |
| 4 | Open Document | Open Filing | 18 Aug 2022 | 16 Aug 2022 | 001-41405 | |
| 4 | Open Document | Open Filing | 23 Jun 2022 | 24 May 2022 | 001-41405 | |
| 4 | Open Document | Open Filing | 31 Dec 2020 | 31 Oct 2020 | 000-24968 | |
| 4 | Open Document | Open Filing | 02 Sep 2020 | 01 Sep 2020 | 000-24968 | |
| 4 | Open Document | Open Filing | 04 Mar 2019 | 04 Mar 2019 | 000-24968 | |
| 4 | Open Document | Open Filing | 31 Jul 2018 | 25 Jul 2018 | 000-24968 | |
| 4 | Open Document | Open Filing | 27 Feb 2017 | 14 Feb 2017 | 000-24968 | |
| 4 | Open Document | Open Filing | 25 Jan 2017 | 25 Jan 2017 | 000-24968 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 May 2016 | 09 May 2016 | 000-24968 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Apr 2016 | 19 Apr 2016 | 000-24968 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Feb 2016 | 16 Feb 2016 | 000-24968 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Aug 2015 | 19 Aug 2015 | 000-24968 |