| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2025 | 11 Jun 2025 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2025 | 29 May 2025 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2025 | 08 May 2025 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2025 | 01 Jan 2025 | 000-15867 |
| 3 | Open Document | Open Filing | FORM 3 | 03 Jan 2025 | 01 Jan 2025 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2024 | 29 May 2024 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Nov 2023 | 07 Nov 2023 | 001-34841 |
| 3 | Open Document | Open Filing | FORM 3 | 26 May 2023 | 24 May 2023 | 001-34841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jan 2018 | 17 Jan 2018 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2017 | 30 Oct 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2017 | 05 Oct 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2017 | 02 Oct 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2017 | 18 Sep 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2017 | 05 Jul 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2017 | 03 Jul 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2017 | 01 Jul 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2017 | 07 Jun 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2017 | 25 May 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2017 | 22 May 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2017 | 15 May 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2017 | 11 May 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2017 | 10 May 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2017 | 09 May 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2017 | 08 May 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2017 | 27 Apr 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2016 | 15 Dec 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2016 | 07 Dec 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2016 | 30 Nov 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2016 | 30 Sep 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2016 | 02 Sep 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2016 | 01 Jul 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2016 | 12 May 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2016 | 11 Jan 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2015 | 07 Aug 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2015 | 02 Jul 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2015 | 01 Jul 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2015 | 13 May 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2014 | 12 Aug 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2014 | 05 Jul 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2014 | 01 Jul 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2014 | 14 May 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2014 | 22 Jan 2014 | 000-18548 |