| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2021 | 10 Dec 2021 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2021 | 08 Dec 2021 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2021 | 07 Dec 2021 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2021 | 06 Dec 2021 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2021 | 05 Dec 2021 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2021 | 10 May 2021 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jan 2021 | 14 Jan 2021 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2020 | 10 Dec 2020 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2020 | 08 Dec 2020 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2020 | 05 Dec 2020 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2020 | 09 Nov 2020 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2020 | 03 Nov 2020 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2020 | 09 Mar 2020 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2019 | 10 Dec 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2019 | 05 Dec 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2019 | 04 Dec 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Oct 2019 | 09 Oct 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Oct 2019 | 07 Oct 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2019 | 12 Sep 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2019 | 05 Sep 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2019 | 02 Sep 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2019 | 01 Jul 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2019 | 01 May 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2019 | 08 Mar 2019 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2018 | 06 Dec 2018 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Oct 2018 | 08 Oct 2018 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2018 | 28 Sep 2018 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2018 | 08 Mar 2018 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2018 | 04 Jan 2018 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2017 | 07 Dec 2017 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2017 | 20 Nov 2017 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Oct 2017 | 11 Oct 2017 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Oct 2017 | 07 Oct 2017 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Sep 2017 | 05 Sep 2017 | 001-13836 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2017 | 09 Mar 2017 | 001-13836 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Sep 2016 | 02 Sep 2016 | 001-05097 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Oct 2015 | 07 Oct 2015 | 001-05097 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2015 | 05 Jan 2015 | 001-05097 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2015 | 01 Jan 2015 | 001-05097 |