| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2022 | 01 Mar 2022 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2022 | 01 Feb 2022 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2021 | 01 Dec 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Nov 2021 | 01 Nov 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2021 | 01 Sep 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2021 | 01 Aug 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2021 | 01 Jun 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2021 | 01 May 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2021 | 01 Mar 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2021 | 01 Feb 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Nov 2020 | 01 Nov 2020 | 001-36331 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Nov 2019 | 11 Nov 2019 | 001-36331 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2019 | 10 May 2019 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2018 | 10 May 2018 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2018 | 07 May 2018 | 001-12696 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2018 | 27 Feb 2018 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2017 | 16 Nov 2017 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2017 | 20 Aug 2017 | 000-22874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2017 | 10 May 2017 | 001-12696 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2016 | 16 Nov 2016 | 000-22874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2016 | 04 Nov 2016 | 001-12696 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Aug 2016 | 20 Aug 2016 | 000-22874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2016 | 01 Aug 2016 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2016 | 10 May 2016 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2016 | 06 May 2016 | 001-12696 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2015 | 18 Nov 2015 | 000-22874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2015 | 10 Nov 2015 | 001-12696 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2015 | 31 Aug 2015 | 000-22874 |
| 3 | Open Document | Open Filing | FORM 3 | 10 Aug 2015 | 01 Aug 2015 | 000-22874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2015 | 31 Jul 2015 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2015 | 01 Jun 2015 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2015 | 01 Jun 2015 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2015 | 01 Jun 2015 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2015 | 11 May 2015 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2015 | 05 May 2015 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2015 | 05 May 2015 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2015 | 29 Apr 2015 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2014 | 03 Nov 2014 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2014 | 31 Oct 2014 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2014 | 11 Aug 2014 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2014 | 06 Aug 2014 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2014 | 31 Jul 2014 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2014 | 12 May 2014 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2014 | 06 May 2014 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2014 | 02 May 2014 | 001-12696 |