| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 10 May 2021 | 07 May 2021 | 001-34073 | |
| 4 | Open Document | Open Filing | 04 May 2021 | 01 May 2021 | 001-34073 | |
| 4 | Open Document | Open Filing | 30 Mar 2021 | 26 Mar 2021 | 001-34073 | |
| 4 | Open Document | Open Filing | 01 Mar 2021 | 28 Feb 2021 | 001-34073 | |
| 4/A | Open Document | Open Filing | 26 Feb 2021 | 16 Feb 2021 | 001-34073 | |
| 4 | Open Document | Open Filing | 17 Feb 2021 | 16 Feb 2021 | 001-34073 | |
| 4 | Open Document | Open Filing | 30 Oct 2020 | 29 Oct 2020 | 001-34073 | |
| 4 | Open Document | Open Filing | 05 May 2020 | 01 May 2020 | 001-34073 | |
| 4 | Open Document | Open Filing | 28 Apr 2020 | 27 Apr 2020 | 001-34073 | |
| 4 | Open Document | Open Filing | 23 Apr 2020 | 21 Apr 2020 | 001-34073 | |
| 4 | Open Document | Open Filing | 03 Mar 2020 | 28 Feb 2020 | 001-34073 | |
| 4 | Open Document | Open Filing | 04 Feb 2020 | 03 Feb 2020 | 001-34073 | |
| 4 | Open Document | Open Filing | 08 Nov 2019 | 07 Nov 2019 | 001-34073 | |
| 4 | Open Document | Open Filing | 30 Oct 2019 | 28 Oct 2019 | 001-34073 | |
| 4 | Open Document | Open Filing | 18 Sep 2019 | 16 Sep 2019 | 001-34073 | |
| 4 | Open Document | Open Filing | 03 May 2019 | 01 May 2019 | 001-34073 | |
| 4 | Open Document | Open Filing | 30 Apr 2019 | 29 Apr 2019 | 001-34073 | |
| 4 | Open Document | Open Filing | 19 Apr 2019 | 18 Apr 2019 | 001-34073 | |
| 4 | Open Document | Open Filing | 04 Mar 2019 | 28 Feb 2019 | 001-34073 | |
| 4 | Open Document | Open Filing | 19 Feb 2019 | 15 Feb 2019 | 001-34073 | |
| 4 | Open Document | Open Filing | 29 Jan 2019 | 28 Jan 2019 | 001-34073 | |
| 4 | Open Document | Open Filing | 26 Oct 2018 | 25 Oct 2018 | 001-34073 | |
| 4 | Open Document | Open Filing | 09 May 2018 | 08 May 2018 | 001-34073 | |
| 4 | Open Document | Open Filing | 03 May 2018 | 01 May 2018 | 001-34073 | |
| 4 | Open Document | Open Filing | 20 Apr 2018 | 18 Apr 2018 | 001-34073 | |
| 4 | Open Document | Open Filing | 02 Mar 2018 | 28 Feb 2018 | 001-34073 | |
| 4 | Open Document | Open Filing | 21 Feb 2018 | 20 Feb 2018 | 001-34073 | |
| 4 | Open Document | Open Filing | 20 Feb 2018 | 16 Feb 2018 | 001-34073 | |
| 4 | Open Document | Open Filing | 29 Nov 2017 | 28 Nov 2017 | 001-34073 | |
| 4 | Open Document | Open Filing | 03 May 2017 | 01 May 2017 | 001-34073 | |
| 4 | Open Document | Open Filing | 21 Apr 2017 | 19 Apr 2017 | 001-34073 | |
| 4 | Open Document | Open Filing | 17 Feb 2017 | 16 Feb 2017 | 001-34073 | |
| 4 | Open Document | Open Filing | 16 Feb 2017 | 14 Feb 2017 | 001-34073 | |
| 4 | Open Document | Open Filing | 14 Feb 2017 | 11 Feb 2017 | 001-34073 | |
| 4 | Open Document | Open Filing | 06 Feb 2017 | 02 Feb 2017 | 001-34073 | |
| 4 | Open Document | Open Filing | 03 May 2016 | 01 May 2016 | 001-34073 | |
| 4 | Open Document | Open Filing | 22 Apr 2016 | 20 Apr 2016 | 001-34073 | |
| 4 | Open Document | Open Filing | 02 Mar 2016 | 01 Mar 2016 | 001-34073 | |
| 4 | Open Document | Open Filing | 22 Feb 2016 | 19 Feb 2016 | 001-34073 | |
| 4 | Open Document | Open Filing | 18 Feb 2016 | 16 Feb 2016 | 001-34073 | |
| 4 | Open Document | Open Filing | 16 Feb 2016 | 11 Feb 2016 | 001-34073 | |
| 4/A | Open Document | Open Filing | 20 May 2015 | 01 May 2015 | 001-34073 | |
| 4 | Open Document | Open Filing | 05 May 2015 | 01 May 2015 | 001-34073 | |
| 4 | Open Document | Open Filing | 30 Apr 2015 | 29 Apr 2015 | 001-34073 | |
| 4 | Open Document | Open Filing | 24 Apr 2015 | 22 Apr 2015 | 001-34073 | |
| 4 | Open Document | Open Filing | 20 Feb 2015 | 19 Feb 2015 | 001-34073 | |
| 4 | Open Document | Open Filing | 12 Feb 2015 | 11 Feb 2015 | 001-34073 | |
| 4 | Open Document | Open Filing | 22 Oct 2014 | 21 Oct 2014 | 001-34073 | |
| 4 | Open Document | Open Filing | 29 Jul 2014 | 25 Jul 2014 | 001-34073 | |
| 4 | Open Document | Open Filing | 05 May 2014 | 01 May 2014 | 001-34073 | |
| 4 | Open Document | Open Filing | 03 Mar 2014 | 27 Feb 2014 | 001-34073 | |
| 4 | Open Document | Open Filing | 21 Feb 2014 | 19 Feb 2014 | 001-34073 | |
| 4 | Open Document | Open Filing | 13 Feb 2014 | 11 Feb 2014 | 001-34073 |