| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 17 May 2023 | 15 May 2023 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Apr 2023 | 17 Apr 2023 | 001-15877 | |
| 4 | Open Document | Open Filing | 30 Mar 2023 | 29 Mar 2023 | 001-15877 | |
| 4 | Open Document | Open Filing | 30 Mar 2023 | 15 Mar 2023 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Feb 2023 | 15 Feb 2023 | 001-15877 | |
| 4 | Open Document | Open Filing | 02 Feb 2023 | 19 Dec 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Jan 2023 | 17 Jan 2023 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Nov 2022 | 15 Nov 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Oct 2022 | 15 Oct 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Aug 2022 | 15 Aug 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jul 2022 | 15 Jul 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 May 2022 | 16 May 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Apr 2022 | 18 Apr 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 25 Feb 2022 | 15 Feb 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Jan 2022 | 18 Jan 2022 | 001-15877 | |
| 4 | Open Document | Open Filing | 30 Dec 2021 | 20 Dec 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Nov 2021 | 15 Nov 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Oct 2021 | 15 Oct 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Aug 2021 | 16 Aug 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Jul 2021 | 15 Jul 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 May 2021 | 19 May 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Apr 2021 | 15 Apr 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Feb 2021 | 15 Feb 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jan 2021 | 15 Jan 2021 | 001-15877 | |
| 4 | Open Document | Open Filing | 31 Dec 2020 | 21 Dec 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Dec 2020 | 15 Dec 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Nov 2020 | 16 Nov 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Oct 2020 | 15 Oct 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Sep 2020 | 15 Sep 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Aug 2020 | 17 Aug 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Jul 2020 | 15 Jul 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Jun 2020 | 15 Jun 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 May 2020 | 15 May 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Apr 2020 | 15 Apr 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 25 Feb 2020 | 24 Feb 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Feb 2020 | 18 Feb 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Jan 2020 | 15 Jan 2020 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Dec 2019 | 16 Dec 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Nov 2019 | 15 Nov 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Oct 2019 | 15 Oct 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Sep 2019 | 16 Sep 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Aug 2019 | 15 Aug 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 02 Aug 2019 | 01 Aug 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Jul 2019 | 15 Jul 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Jun 2019 | 17 Jun 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 May 2019 | 15 May 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Apr 2019 | 15 Apr 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Mar 2019 | 15 Mar 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Feb 2019 | 15 Feb 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Jan 2019 | 15 Jan 2019 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Dec 2018 | 17 Dec 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Nov 2018 | 15 Nov 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 09 Nov 2018 | 09 Nov 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Oct 2018 | 15 Oct 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Jul 2018 | 16 Jul 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Jun 2018 | 15 Jun 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 13 Jun 2018 | 12 Jun 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 30 May 2018 | 29 May 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 May 2018 | 15 May 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Apr 2018 | 15 Apr 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Mar 2018 | 15 Mar 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Feb 2018 | 15 Feb 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Jan 2018 | 15 Jan 2018 | 001-15877 | |
| 4 | Open Document | Open Filing | 03 Jan 2018 | 11 Dec 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Dec 2017 | 18 Dec 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Nov 2017 | 15 Nov 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Oct 2017 | 16 Oct 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Sep 2017 | 15 Sep 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 05 Sep 2017 | 05 Sep 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Aug 2017 | 15 Aug 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 14 Aug 2017 | 11 Aug 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jul 2017 | 17 Jul 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 28 Jun 2017 | 15 Jun 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 May 2017 | 15 May 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Apr 2017 | 15 Apr 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Mar 2017 | 16 Mar 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 15 Mar 2017 | 13 Mar 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Feb 2017 | 15 Feb 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jan 2017 | 20 Jan 2017 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Dec 2016 | 19 Dec 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Dec 2016 | 15 Dec 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Nov 2016 | 15 Nov 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Oct 2016 | 17 Oct 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Sep 2016 | 15 Sep 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Aug 2016 | 15 Aug 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jul 2016 | 15 Jul 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 May 2016 | 16 May 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Apr 2016 | 15 Apr 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Mar 2016 | 15 Mar 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Feb 2016 | 15 Feb 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Jan 2016 | 15 Jan 2016 | 001-15877 | |
| 4 | Open Document | Open Filing | 17 Dec 2015 | 15 Dec 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Nov 2015 | 16 Nov 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Oct 2015 | 15 Oct 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Sep 2015 | 15 Sep 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Aug 2015 | 17 Aug 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jul 2015 | 15 Jul 2015 | 001-15877 | |
| 4/A | Open Document | Open Filing | 20 Jul 2015 | 15 Jun 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Jun 2015 | 15 Jun 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 27 May 2015 | 26 May 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 May 2015 | 15 May 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Apr 2015 | 15 Apr 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 19 Mar 2015 | 16 Mar 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 23 Feb 2015 | 17 Feb 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 22 Jan 2015 | 15 Jan 2015 | 001-15877 | |
| 4 | Open Document | Open Filing | 23 Dec 2014 | 22 Dec 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Nov 2014 | 17 Nov 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Oct 2014 | 15 Oct 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 24 Sep 2014 | 15 Sep 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Aug 2014 | 15 Aug 2014 | 001-15877 | |
| 5/A | Open Document | Open Filing | 13 Aug 2014 | 31 Dec 2013 | 001-15877 | |
| 4 | Open Document | Open Filing | 18 Jul 2014 | 15 Jul 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 Jun 2014 | 16 Jun 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 20 May 2014 | 15 May 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Apr 2014 | 15 Apr 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Mar 2014 | 17 Mar 2014 | 001-15877 | |
| 4 | Open Document | Open Filing | 24 Feb 2014 | 15 Feb 2014 | 001-15877 | |
| 5 | Open Document | Open Filing | 03 Feb 2014 | 31 Dec 2013 | 001-15877 | |
| 4 | Open Document | Open Filing | 21 Jan 2014 | 15 Jan 2014 | 001-15877 |