| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Sep 2021 | 09 Sep 2021 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jun 2021 | 11 Jun 2021 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Apr 2021 | 31 Mar 2021 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 001-35784 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2020 | 15 Dec 2020 | 001-35784 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2020 | 26 Oct 2020 | 001-35784 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Sep 2020 | 19 Sep 2020 | 001-35784 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2020 | 02 Mar 2020 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Feb 2020 | 20 Feb 2020 | 001-35784 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2019 | 01 Jul 2019 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Mar 2019 | 01 Mar 2019 | 001-35784 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Feb 2019 | 26 Feb 2019 | 001-35784 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2018 | 02 Jul 2018 | 001-35784 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2018 | 01 Mar 2018 | 001-35784 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2017 | 30 Jun 2017 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Mar 2017 | 01 Mar 2017 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Sep 2016 | 16 Sep 2016 | 001-35784 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Sep 2016 | 16 Sep 2016 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Feb 2016 | 16 Feb 2016 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Dec 2015 | 07 Dec 2015 | 001-35784 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Aug 2015 | 20 Aug 2015 | 001-35784 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Feb 2015 | 04 Feb 2015 | 001-35784 |