| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Nov 2024 | 04 Nov 2024 | 001-37556 | |
| 4 | Open Document | Open Filing | 23 May 2024 | 21 May 2024 | 001-37556 | |
| 4 | Open Document | Open Filing | 20 May 2024 | 16 May 2024 | 001-37556 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2023 | 26 May 2023 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2023 | 16 May 2023 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2022 | 26 May 2022 | 001-37556 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 05 May 2022 | 03 May 2022 | 001-04448 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 03 Feb 2022 | 02 Feb 2022 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2021 | 26 May 2021 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2021 | 22 May 2021 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2021 | 04 May 2021 | 001-04448 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 16 Feb 2021 | 31 Dec 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2020 | 20 Aug 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2020 | 22 May 2020 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2020 | 05 May 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jul 2019 | 08 Jul 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2019 | 23 May 2019 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2019 | 22 May 2019 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2019 | 13 May 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2019 | 07 May 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2019 | 14 Sep 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2019 | 14 Jan 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2018 | 15 Nov 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2018 | 09 Aug 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2018 | 30 May 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2018 | 23 May 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2018 | 08 May 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2018 | 09 Feb 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2017 | 15 Nov 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jul 2017 | 24 Jul 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2017 | 24 May 2017 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2017 | 10 May 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2017 | 02 May 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2017 | 20 Jan 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Oct 2016 | 21 Oct 2016 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2016 | 03 Aug 2016 | 001-04448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2016 | 03 Jun 2016 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2016 | 25 May 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2016 | 16 May 2016 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2016 | 03 May 2016 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2016 | 26 Jan 2016 | 001-04448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Dec 2015 | 10 Sep 2015 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Oct 2015 | 19 Oct 2015 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2015 | 03 Aug 2015 | 001-04448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2015 | 01 Jul 2015 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2015 | 27 May 2015 | 000-21229 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2015 | 05 May 2015 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2015 | 28 Jan 2015 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2014 | 23 Oct 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2014 | 29 Jul 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 21 May 2014 | 000-21229 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2014 | 21 May 2014 | 000-21229 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2014 | 06 May 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2014 | 29 Apr 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jan 2014 | 17 Jan 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2014 | 02 Jan 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Oct 2013 | 16 Oct 2013 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2013 | 29 Jul 2013 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2013 | 07 May 2013 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2013 | 26 Apr 2013 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2013 | 25 Jan 2013 | 001-04448 |
| 4 | Open Document | Open Filing | 4 | 29 Aug 2012 | 27 Aug 2012 | 000-14602 |
| 4 | Open Document | Open Filing | 4 | 02 Aug 2012 | 08 Nov 2011 | 000-14602 |