| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Aug 2025 | 06 Aug 2025 | 001-41698 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Jan 2022 | 24 Jan 2022 | 000-51378 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Jun 2020 | 19 Jun 2020 | 000-51378 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Mar 2019 | 15 Mar 2019 | 000-51378 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Dec 2018 | 07 Dec 2018 | 000-51378 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jul 2018 | 11 Jul 2018 | 000-51378 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Dec 2016 | 27 Dec 2016 | 000-51378 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Sep 2015 | 12 Aug 2015 | 000-51378 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2014 | 17 Nov 2014 | 000-51378 |