| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2022 | 09 Mar 2022 | 001-40935 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2021 | 08 Dec 2021 | 001-40935 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Nov 2021 | 12 Nov 2021 | 001-40935 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Sep 2021 | 24 Sep 2021 | 000-21835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jun 2021 | 04 Jun 2021 | 000-21835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2021 | 10 Mar 2021 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2020 | 09 Dec 2020 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Oct 2020 | 07 Oct 2020 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2020 | 07 Aug 2020 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2020 | 06 Mar 2020 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2019 | 12 Dec 2019 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Sep 2019 | 20 Sep 2019 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2019 | 14 Jun 2019 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2019 | 08 Mar 2019 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2018 | 18 Dec 2018 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Sep 2018 | 21 Sep 2018 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2018 | 01 Jun 2018 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2018 | 16 Mar 2018 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2017 | 05 Dec 2017 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Sep 2017 | 22 Sep 2017 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2017 | 06 Jun 2017 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2017 | 15 May 2017 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2017 | 03 Mar 2017 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2016 | 10 Dec 2016 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Sep 2016 | 08 Sep 2016 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2016 | 24 May 2016 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2016 | 14 Mar 2016 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2015 | 11 Dec 2015 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Sep 2015 | 09 Sep 2015 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2015 | 02 Jun 2015 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2015 | 28 Feb 2015 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2014 | 09 Dec 2014 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2014 | 19 Sep 2014 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2014 | 03 Jun 2014 | 000-21835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2014 | 01 Mar 2014 | 000-21835 |