| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2021 | 31 Aug 2021 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2021 | 11 Aug 2021 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2020 | 30 Nov 2020 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2020 | 29 May 2020 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2020 | 28 Feb 2020 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2019 | 30 Aug 2019 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2019 | 31 May 2019 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Mar 2019 | 20 Mar 2019 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2019 | 28 Feb 2019 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2018 | 14 Mar 2018 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2017 | 30 Nov 2017 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2017 | 14 Mar 2017 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2017 | 28 Feb 2017 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2016 | 31 May 2016 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2016 | 16 Mar 2016 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2015 | 15 Dec 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2015 | 30 Nov 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2015 | 18 Nov 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2015 | 09 Nov 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2015 | 05 Nov 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2015 | 15 Sep 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2015 | 31 Aug 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2015 | 03 Aug 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2015 | 17 Jun 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2015 | 29 May 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2015 | 04 May 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2015 | 10 Mar 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2015 | 27 Feb 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2015 | 02 Feb 2015 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2014 | 10 Dec 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2014 | 28 Nov 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2014 | 10 Nov 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2014 | 31 Oct 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2014 | 27 Oct 2014 | 001-12997 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Oct 2014 | 29 Aug 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2014 | 16 Sep 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2014 | 29 Aug 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2014 | 02 Aug 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2014 | 17 Jun 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2014 | 30 May 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2014 | 19 May 2014 | 001-12997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2014 | 15 May 2014 | 001-12173 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2014 | 05 May 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2014 | 18 Mar 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2014 | 28 Feb 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2014 | 14 Feb 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2014 | 03 Feb 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2014 | 29 Jan 2014 | 001-12997 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2014 | 02 Jan 2014 | 001-12997 |