| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 03 Jun 2022 | 01 Jun 2022 | 001-14120 | |
| 4 | Open Document | Open Filing | 08 Apr 2022 | 07 Apr 2022 | 001-14120 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2022 | 25 Oct 2021 | 000-03978 |
| 4 | Open Document | Open Filing | 20 Dec 2021 | 17 Dec 2021 | 001-14120 | |
| 4 | Open Document | Open Filing | 12 Oct 2021 | 08 Oct 2021 | 001-14120 | |
| 4 | Open Document | Open Filing | 12 Jul 2021 | 09 Jul 2021 | 001-14120 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Apr 2021 | 09 Apr 2021 | 001-14120 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Mar 2021 | 19 Mar 2021 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2020 | 17 Apr 2020 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2019 | 03 Apr 2019 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2019 | 01 Feb 2019 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2018 | 28 Nov 2018 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Apr 2018 | 04 Apr 2018 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2017 | 04 Apr 2017 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Sep 2016 | 21 Sep 2016 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2016 | 02 Sep 2016 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Aug 2016 | 17 Aug 2016 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2016 | 17 Jun 2016 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2016 | 31 Mar 2016 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2015 | 10 Dec 2015 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2015 | 28 May 2015 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Apr 2015 | 02 Apr 2015 | 001-14120 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2014 | 02 Apr 2014 | 001-14120 |