| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | 17 Aug 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2023 | 13 Mar 2023 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2022 | 25 May 2022 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2022 | 16 Mar 2022 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Nov 2021 | 04 Nov 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2021 | 01 Jul 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2021 | 20 May 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2021 | 06 May 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Apr 2021 | 01 Apr 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2021 | 04 Jan 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Oct 2020 | 06 Oct 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Oct 2020 | 01 Oct 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2020 | 01 Jul 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2020 | 20 May 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2020 | 12 May 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Apr 2020 | 07 Apr 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2020 | 15 Jan 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2019 | 22 May 2019 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Mar 2019 | 13 Mar 2019 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Jun 2018 | 14 Jun 2018 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2018 | 22 May 2018 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Jan 2018 | 18 Jan 2018 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Sep 2017 | 14 Sep 2017 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 May 2017 | 24 May 2017 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2016 | 25 May 2016 | 000-51470 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2016 | 23 May 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Apr 2016 | 06 Apr 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2016 | 06 Jan 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Oct 2015 | 06 Oct 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2015 | 07 Jul 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2015 | 26 May 2015 | 001-34762 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2015 | 20 May 2015 | 000-51470 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Apr 2015 | 14 Apr 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2015 | 14 Jan 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2014 | 03 Oct 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jul 2014 | 15 Jul 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2014 | 27 May 2014 | 001-34762 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2014 | 14 May 2014 | 000-51470 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Apr 2014 | 09 Apr 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2014 | 13 Jan 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2013 | 11 Oct 2013 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jul 2013 | 08 Jul 2013 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2013 | 28 May 2013 | 001-34762 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2013 | 23 May 2013 | 000-51470 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2013 | 22 May 2013 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Apr 2013 | 09 Apr 2013 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jan 2013 | 14 Jan 2013 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2012 | 12 Oct 2012 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jul 2012 | 12 Jul 2012 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2012 | 15 Jun 2012 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2012 | 22 May 2012 | 001-34762 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2012 | 15 May 2012 | 000-51470 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Apr 2012 | 18 Apr 2012 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2012 | 11 Jan 2012 | 001-34762 |