| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2025 | 08 May 2025 | 001-08957 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2024 | 09 May 2024 | 001-08957 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2023 | 04 May 2023 | 001-08957 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Mar 2023 | 17 Mar 2023 | 001-16545 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 01 Jun 2022 | 31 May 2022 | 001-16545 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2022 | 05 May 2022 | 001-08957 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Mar 2022 | 08 Mar 2022 | 001-37757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2021 | 06 May 2021 | 001-08957 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2021 | 09 Mar 2021 | 001-37757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2020 | 07 May 2020 | 001-08957 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2020 | 12 Mar 2020 | 001-37757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2019 | 09 May 2019 | 001-08957 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2019 | 11 Mar 2019 | 001-37757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2018 | 03 May 2018 | 001-08957 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2018 | 12 Mar 2018 | 001-37757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2018 | 18 Jan 2018 | 001-08957 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2018 | 17 Jan 2018 | 001-08957 |
| 4 | Open Document | Open Filing | 05 Dec 2017 | 01 Dec 2017 | 001-00442 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Sep 2017 | 13 Sep 2017 | 001-37757 |
| 4 | Open Document | Open Filing | 03 May 2017 | 01 May 2017 | 001-00442 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2017 | 13 Mar 2017 | 001-37757 |
| 4 | Open Document | Open Filing | 07 Mar 2017 | 03 Mar 2017 | 001-00442 | |
| 4 | Open Document | Open Filing | 01 Mar 2017 | 27 Feb 2017 | 001-00442 | |
| 4 | Open Document | Open Filing | 28 Feb 2017 | 24 Feb 2017 | 001-00442 | |
| 4 | Open Document | Open Filing | 02 Feb 2017 | 31 Jan 2017 | 001-00442 | |
| 4 | Open Document | Open Filing | 21 Dec 2016 | 19 Dec 2016 | 001-00442 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2016 | 22 Nov 2016 | 001-37757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2016 | 08 Nov 2016 | 001-37757 |
| 4 | Open Document | Open Filing | 08 Nov 2016 | 04 Nov 2016 | 001-00442 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2016 | 31 Oct 2016 | 001-37757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2016 | 02 Sep 2016 | 001-05097 |
| 4 | Open Document | Open Filing | 05 May 2016 | 03 May 2016 | 001-00442 | |
| 4 | Open Document | Open Filing | 08 Mar 2016 | 04 Mar 2016 | 001-00442 | |
| 4 | Open Document | Open Filing | 29 Feb 2016 | 25 Feb 2016 | 001-00442 | |
| 4 | Open Document | Open Filing | 24 Feb 2016 | 22 Feb 2016 | 001-00442 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2016 | 27 Jan 2016 | 001-05097 |
| 4 | Open Document | Open Filing | 11 Aug 2015 | 10 Aug 2015 | 001-00442 | |
| 4 | Open Document | Open Filing | 10 Mar 2015 | 06 Mar 2015 | 001-00442 | |
| 4 | Open Document | Open Filing | 03 Mar 2015 | 27 Feb 2015 | 001-00442 | |
| 4 | Open Document | Open Filing | 25 Feb 2015 | 23 Feb 2015 | 001-00442 | |
| 4 | Open Document | Open Filing | 06 Feb 2015 | 05 Feb 2015 | 001-00442 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2015 | 28 Jan 2015 | 001-05097 |
| 4 | Open Document | Open Filing | 01 May 2014 | 29 Apr 2014 | 001-00442 | |
| 4 | Open Document | Open Filing | 11 Mar 2014 | 07 Mar 2014 | 001-00442 | |
| 4 | Open Document | Open Filing | 26 Feb 2014 | 24 Feb 2014 | 001-00442 | |
| 4 | Open Document | Open Filing | 20 Feb 2014 | 18 Feb 2014 | 001-00442 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2014 | 29 Jan 2014 | 001-05097 |