| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2022 | 02 May 2022 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2022 | 11 Mar 2022 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2021 | 10 Dec 2021 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2021 | 10 Sep 2021 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2021 | 11 Jun 2021 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2021 | 26 May 2021 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2021 | 07 May 2021 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2021 | 23 Apr 2021 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2021 | 12 Mar 2021 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2021 | 10 Mar 2021 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2021 | 24 Feb 2021 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Dec 2020 | 09 Dec 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2020 | 04 Dec 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2020 | 02 Dec 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Nov 2020 | 20 Nov 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2020 | 11 Nov 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2020 | 11 Sep 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2020 | 11 Aug 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2020 | 05 Jun 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2020 | 24 Apr 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Mar 2020 | 06 Mar 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2020 | 07 Feb 2020 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Dec 2019 | 06 Dec 2019 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Sep 2019 | 06 Sep 2019 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2019 | 07 Jun 2019 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2019 | 26 Apr 2019 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2019 | 08 Mar 2019 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Dec 2018 | 21 Dec 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2018 | 07 Dec 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2018 | 02 Oct 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Sep 2018 | 17 Sep 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Sep 2018 | 07 Sep 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2018 | 07 Aug 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2018 | 08 Jun 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2018 | 27 Apr 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2018 | 09 Mar 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jan 2018 | 08 Jan 2018 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2017 | 18 Dec 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2017 | 15 Dec 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Dec 2017 | 08 Dec 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2017 | 05 Dec 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Nov 2017 | 03 Nov 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Sep 2017 | 08 Sep 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2017 | 09 Jun 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2017 | 28 Apr 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2017 | 10 Mar 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2017 | 15 Feb 2017 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2016 | 12 Dec 2016 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Sep 2016 | 09 Sep 2016 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2016 | 10 Jun 2016 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2016 | 29 Apr 2016 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2016 | 11 Mar 2016 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2016 | 12 Feb 2016 | 000-26058 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Feb 2016 | 31 Dec 2015 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jan 2016 | 20 Jan 2016 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jan 2016 | 14 Jan 2016 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jan 2016 | 13 Jan 2016 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2016 | 08 Jan 2016 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2015 | 11 Dec 2015 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2015 | 14 Sep 2015 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2015 | 11 Sep 2015 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2015 | 07 Aug 2015 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jun 2015 | 19 Jun 2015 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2015 | 12 Jun 2015 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2015 | 24 Apr 2015 | 000-26058 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2015 | 13 Mar 2015 | 000-26058 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2014 | 12 Dec 2014 | 000-26058 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Sep 2014 | 12 Sep 2014 | 000-26058 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2014 | 13 Jun 2014 | 000-26058 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2014 | 27 May 2014 | 000-26058 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2014 | 25 Apr 2014 | 000-26058 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2014 | 14 Mar 2014 | 000-26058 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2014 | 16 Dec 2013 | 000-26058 |