| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2022 | 17 Aug 2022 | 000-23621 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2022 | 17 Aug 2022 | 000-23621 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jul 2022 | 06 Jul 2022 | 000-30205 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2022 | 09 Mar 2022 | 000-30205 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2021 | 03 Mar 2021 | 000-30205 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2020 | 04 Mar 2020 | 000-30205 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2019 | 05 Sep 2019 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2019 | 05 Jun 2019 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2019 | 09 May 2019 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2019 | 03 May 2019 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Mar 2019 | 07 Mar 2019 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2019 | 06 Mar 2019 | 000-30205 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2018 | 03 Dec 2018 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2018 | 05 Sep 2018 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2018 | 01 Jun 2018 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2018 | 03 May 2018 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2018 | 03 May 2018 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2018 | 07 Mar 2018 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2018 | 06 Mar 2018 | 000-30205 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2017 | 05 Sep 2017 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2017 | 02 Jun 2017 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2017 | 05 May 2017 | 001-15885 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2017 | 04 May 2017 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2017 | 07 Mar 2017 | 000-30205 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2017 | 03 Mar 2017 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2016 | 25 Nov 2016 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Sep 2016 | 02 Sep 2016 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2016 | 01 Jun 2016 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2016 | 04 May 2016 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2016 | 08 Mar 2016 | 000-30205 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2016 | 02 Mar 2016 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Nov 2015 | 27 Nov 2015 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2015 | 15 Oct 2015 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2015 | 01 Sep 2015 | 000-30205 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2015 | 01 Sep 2015 | 000-30205 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2015 | 01 Sep 2015 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jul 2015 | 15 Jul 2015 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2015 | 04 Jun 2015 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2015 | 07 May 2015 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Apr 2015 | 24 Apr 2015 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2015 | 03 Mar 2015 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2015 | 15 Jan 2015 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2014 | 20 Nov 2014 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2014 | 20 Aug 2014 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2014 | 04 Jun 2014 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2014 | 08 May 2014 | 001-15885 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2014 | 06 Mar 2014 | 001-15885 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2014 | 31 Dec 2012 | 001-15885 |