| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 26 Apr 2022 | 22 Apr 2022 | 001-10948 | |
| 4 | Open Document | Open Filing | 21 Mar 2022 | 17 Mar 2022 | 001-10948 | |
| 4 | Open Document | Open Filing | 14 Mar 2022 | 17 Feb 2022 | 001-10948 | |
| 4 | Open Document | Open Filing | 05 Jan 2022 | 03 Jan 2022 | 001-10948 | |
| 4 | Open Document | Open Filing | 26 Apr 2021 | 22 Apr 2021 | 001-10948 | |
| 4 | Open Document | Open Filing | 31 Mar 2021 | 29 Mar 2021 | 001-10948 | |
| 4 | Open Document | Open Filing | 17 Mar 2021 | 15 Mar 2021 | 001-10948 | |
| 4 | Open Document | Open Filing | 12 Mar 2021 | 10 Mar 2021 | 001-10948 | |
| 4 | Open Document | Open Filing | 10 Mar 2021 | 08 Mar 2021 | 001-10948 | |
| 4 | Open Document | Open Filing | 09 Mar 2021 | 05 Mar 2021 | 001-10948 | |
| 4 | Open Document | Open Filing | 22 Sep 2020 | 18 Sep 2020 | 001-10948 | |
| 4 | Open Document | Open Filing | 17 Mar 2020 | 15 Mar 2020 | 001-10948 | |
| 4 | Open Document | Open Filing | 12 Mar 2020 | 10 Mar 2020 | 001-10948 | |
| 4 | Open Document | Open Filing | 09 Mar 2020 | 05 Mar 2020 | 001-10948 | |
| 4 | Open Document | Open Filing | 24 Sep 2019 | 20 Sep 2019 | 001-10948 | |
| 4 | Open Document | Open Filing | 19 Mar 2019 | 15 Mar 2019 | 001-10948 | |
| 4 | Open Document | Open Filing | 07 Mar 2019 | 05 Mar 2019 | 001-10948 | |
| 4 | Open Document | Open Filing | 21 Sep 2018 | 20 Sep 2018 | 001-10948 | |
| 4/A | Open Document | Open Filing | 14 Mar 2018 | 05 Mar 2018 | 001-10948 | |
| 4 | Open Document | Open Filing | 07 Mar 2018 | 05 Mar 2018 | 001-10948 | |
| 4 | Open Document | Open Filing | 22 Sep 2017 | 20 Sep 2017 | 001-10948 | |
| 3 | Open Document | Open Filing | 22 Sep 2017 | 20 Sep 2017 | 001-10948 | |
| 4 | Open Document | Open Filing | 04 May 2016 | 02 May 2016 | 001-35502 | |
| 4 | Open Document | Open Filing | 19 Feb 2016 | 17 Feb 2016 | 001-35502 | |
| 4 | Open Document | Open Filing | 10 Dec 2015 | 09 Dec 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 02 Dec 2015 | 30 Nov 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 24 Nov 2015 | 22 Nov 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 20 Nov 2015 | 18 Nov 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 17 Nov 2015 | 13 Nov 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 14 Oct 2015 | 12 Oct 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 21 Aug 2015 | 19 Aug 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 22 May 2015 | 20 May 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 01 May 2015 | 30 Apr 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 30 Mar 2015 | 27 Mar 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 02 Mar 2015 | 27 Feb 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 20 Feb 2015 | 18 Feb 2015 | 001-35502 | |
| 4 | Open Document | Open Filing | 10 Dec 2014 | 09 Dec 2014 | 001-35502 | |
| 4 | Open Document | Open Filing | 02 Dec 2014 | 30 Nov 2014 | 001-35502 | |
| 4 | Open Document | Open Filing | 25 Nov 2014 | 22 Nov 2014 | 001-35502 | |
| 4 | Open Document | Open Filing | 21 Nov 2014 | 19 Nov 2014 | 001-35502 | |
| 4 | Open Document | Open Filing | 18 Nov 2014 | 14 Nov 2014 | 001-35502 | |
| 4 | Open Document | Open Filing | 14 Oct 2014 | 12 Oct 2014 | 001-35502 | |
| 4 | Open Document | Open Filing | 29 Sep 2014 | 26 Sep 2014 | 001-35502 | |
| 4 | Open Document | Open Filing | 22 Aug 2014 | 20 Aug 2014 | 001-35502 | |
| 4 | Open Document | Open Filing | 23 May 2014 | 21 May 2014 | 001-35502 | |
| 4 | Open Document | Open Filing | 21 Feb 2014 | 19 Feb 2014 | 001-35502 |