| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2024 | 13 May 2024 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2023 | 15 May 2023 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2022 | 11 May 2022 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2021 | 07 May 2021 | 001-15943 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2021 | 31 Mar 2021 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2021 | 01 Feb 2021 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2021 | 31 Dec 2020 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2020 | 30 Sep 2020 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2020 | 30 Jun 2020 | 001-01136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2020 | 20 May 2020 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2020 | 11 May 2020 | 001-15943 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | 001-01136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2020 | 13 Feb 2020 | 001-15943 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2020 | 01 Feb 2020 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2020 | 31 Dec 2019 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2019 | 30 Sep 2019 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Aug 2019 | 31 Jul 2019 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2019 | 30 Jun 2019 | 001-01136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2019 | 22 May 2019 | 001-15943 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2019 | 31 Mar 2019 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2019 | 01 Feb 2019 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 31 Dec 2018 | 001-01136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2018 | 04 Dec 2018 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2018 | 04 Dec 2018 | 001-15943 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2018 | 30 Sep 2018 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2018 | 30 Jun 2018 | 001-01136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2018 | 14 May 2018 | 001-15943 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2018 | 31 Mar 2018 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2018 | 01 Feb 2018 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 31 Dec 2017 | 001-01136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2018 | 02 Jan 2018 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2018 | 02 Jan 2018 | 001-15943 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2017 | 30 Sep 2017 | 001-01136 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2017 | 30 Jun 2017 | 001-01136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2017 | 12 May 2017 | 001-15943 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2017 | 31 Mar 2017 | 001-01136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2017 | 01 Mar 2017 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2017 | 01 Mar 2017 | 001-15943 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2017 | 21 Feb 2017 | 001-01136 |
| 3 | Open Document | Open Filing | FORM 3 | 23 Feb 2017 | 21 Feb 2017 | 001-01136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2016 | 12 May 2016 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2015 | 06 May 2015 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2014 | 07 May 2014 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2013 | 08 May 2013 | 001-15943 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2012 | 09 May 2012 | 001-15943 |