| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Apr 2022 | 08 Apr 2022 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2022 | 17 Mar 2022 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2022 | 11 Mar 2022 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2022 | 04 Mar 2022 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jan 2022 | 14 Jan 2022 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2021 | 01 Dec 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2021 | 05 Nov 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Oct 2021 | 08 Oct 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jul 2021 | 09 Jul 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Apr 2021 | 09 Apr 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Mar 2021 | 25 Mar 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2021 | 12 Mar 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2021 | 06 Mar 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2021 | 04 Mar 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2021 | 08 Jan 2021 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Oct 2020 | 09 Oct 2020 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jul 2020 | 10 Jul 2020 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2020 | 19 May 2020 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Apr 2020 | 10 Apr 2020 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2020 | 19 Mar 2020 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2020 | 12 Mar 2020 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2020 | 06 Mar 2020 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2020 | 04 Mar 2020 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2020 | 10 Jan 2020 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2019 | 11 Oct 2019 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jul 2019 | 12 Jul 2019 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2019 | 29 May 2019 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Apr 2019 | 12 Apr 2019 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2019 | 29 Mar 2019 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2019 | 12 Mar 2019 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2019 | 06 Mar 2019 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jan 2019 | 11 Jan 2019 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2018 | 12 Oct 2018 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jul 2018 | 13 Jul 2018 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2018 | 09 May 2018 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2018 | 13 Apr 2018 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2018 | 06 Mar 2018 | 000-16211 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2018 | 12 Feb 2018 | 000-16211 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Oct 2017 | 10 Oct 2017 | 001-35846 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Sep 2017 | 15 Sep 2017 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Aug 2017 | 15 Aug 2017 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2017 | 08 Aug 2017 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Dec 2016 | 14 Dec 2016 | 001-35846 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Sep 2016 | 15 Sep 2016 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Aug 2016 | 15 Aug 2016 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2016 | 09 Aug 2016 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Aug 2016 | 04 Aug 2016 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Dec 2015 | 14 Dec 2015 | 001-35846 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Dec 2015 | 14 Dec 2015 | 001-35846 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2015 | 15 Aug 2015 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Aug 2015 | 04 Aug 2015 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Apr 2015 | 16 Apr 2015 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2014 | 15 Sep 2014 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Aug 2014 | 15 Aug 2014 | 001-11373 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Aug 2014 | 05 Aug 2014 | 001-11373 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2014 | 16 Apr 2014 | 001-11373 |