| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2021 | 08 Nov 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2021 | 01 Oct 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2021 | 01 Jul 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2021 | 12 May 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2021 | 01 Apr 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2021 | 19 Mar 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2021 | 12 Mar 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2021 | 04 Jan 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2020 | 15 Dec 2020 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jul 2020 | 28 Jul 2020 | 001-35837 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2020 | 18 May 2020 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2020 | 13 May 2020 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2020 | 06 Mar 2020 | 000-50633 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2020 | 31 Dec 2019 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jun 2019 | 10 Jun 2019 | 001-35837 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2019 | 15 May 2019 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2018 | 30 May 2018 | 001-35837 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2018 | 16 May 2018 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2018 | 02 Jan 2018 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2017 | 29 Nov 2017 | 001-35837 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2017 | 02 Oct 2017 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2017 | 01 Sep 2017 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2017 | 29 Aug 2017 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2017 | 31 May 2017 | 001-35837 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2017 | 18 May 2017 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2017 | 15 Mar 2017 | 001-35837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jun 2016 | 08 Jun 2016 | 001-35837 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2016 | 18 May 2016 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2016 | 04 Jan 2016 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Oct 2015 | 02 Oct 2015 | 001-35837 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2015 | 31 Aug 2015 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2015 | 20 Aug 2015 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Aug 2015 | 12 Aug 2015 | 001-35837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jun 2015 | 10 Jun 2015 | 001-35837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2015 | 20 May 2015 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2015 | 06 May 2015 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jun 2014 | 13 Jun 2014 | 001-35837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2014 | 12 Jun 2014 | 001-35837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jun 2014 | 05 Jun 2014 | 001-35837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2014 | 04 Jun 2014 | 001-35837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2014 | 28 May 2014 | 001-35837 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2014 | 21 May 2014 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2014 | 14 May 2014 | 001-35837 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2014 | 09 May 2014 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2014 | 02 Jan 2014 | 000-50633 |