| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 09 May 2025 | 09 May 2025 | 001-15525 | |
| 4 | Open Document | Open Filing | 09 May 2024 | 08 May 2024 | 001-15525 | |
| 4 | Open Document | Open Filing | 15 May 2023 | 12 May 2023 | 001-15525 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2022 | 15 Aug 2022 | 001-38832 |
| 4 | Open Document | Open Filing | 05 May 2022 | 04 May 2022 | 001-15525 | |
| 4 | Open Document | Open Filing | 24 Nov 2021 | 24 Nov 2021 | 001-15525 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Aug 2021 | 12 Aug 2021 | 001-38832 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 02 Jul 2021 | 07 May 2021 | 001-38832 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2021 | 07 May 2021 | 001-38832 |
| 4 | Open Document | Open Filing | 07 May 2021 | 05 May 2021 | 001-15525 | |
| 4 | Open Document | Open Filing | 05 Feb 2021 | 04 Feb 2021 | 001-15525 | |
| 4 | Open Document | Open Filing | 11 May 2020 | 08 May 2020 | 001-15525 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2020 | 26 Feb 2020 | 001-38832 |
| 4 | Open Document | Open Filing | 01 Aug 2019 | 01 Aug 2019 | 001-15525 | |
| 4 | Open Document | Open Filing | 13 May 2019 | 09 May 2019 | 001-15525 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2019 | 08 Mar 2019 | 001-38832 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2019 | 08 Mar 2019 | 000-31271 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2019 | 08 Mar 2019 | 333-228694 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2019 | 26 Feb 2019 | 000-31271 |
| 4 | Open Document | Open Filing | 22 May 2018 | 18 May 2018 | 001-15525 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2018 | 28 Feb 2018 | 000-31271 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2017 | 21 Aug 2017 | 000-31271 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2017 | 28 Jun 2017 | 001-36538 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2017 | 16 May 2017 | 000-31271 |
| 4 | Open Document | Open Filing | 15 May 2017 | 12 May 2017 | 001-15525 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2017 | 04 May 2017 | 000-31271 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2016 | 10 Nov 2016 | 001-36538 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Sep 2016 | 21 Sep 2016 | 001-36538 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2016 | 06 Jul 2016 | 000-31271 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2016 | 26 May 2016 | 000-31271 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jun 2016 | 22 Jun 2016 | 001-36538 |
| 4 | Open Document | Open Filing | 17 May 2016 | 13 May 2016 | 001-15525 | |
| 4 | Open Document | Open Filing | FORM 4 | 13 Aug 2015 | 13 Aug 2015 | 001-36538 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Aug 2015 | 13 Aug 2015 | 001-36538 |
| 4 | Open Document | Open Filing | 19 May 2015 | 15 May 2015 | 001-15525 | |
| 4/A | Open Document | Open Filing | 24 Mar 2015 | 13 Nov 2014 | 001-15525 | |
| 4 | Open Document | Open Filing | 17 Nov 2014 | 13 Nov 2014 | 001-15525 | |
| 3 | Open Document | Open Filing | 17 Nov 2014 | 13 Nov 2014 | 001-15525 |