| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2022 | 30 Dec 2021 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Nov 2021 | 29 Oct 2021 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Oct 2021 | 07 Oct 2021 | 001-35475 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Oct 2021 | 04 Oct 2021 | 000-56281 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Aug 2021 | 26 Aug 2021 | 000-56281 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2021 | 25 May 2021 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2021 | 24 May 2021 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2021 | 13 May 2021 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2021 | 04 May 2021 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2021 | 16 Feb 2021 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Nov 2020 | 20 Nov 2020 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2020 | 09 Nov 2020 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Nov 2020 | 03 Nov 2020 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2020 | 08 Jun 2020 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2020 | 26 May 2020 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2020 | 13 May 2020 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2020 | 04 May 2020 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2020 | 21 Feb 2020 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2020 | 05 Feb 2020 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2019 | 12 Dec 2019 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2019 | 29 Nov 2019 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2019 | 04 Jun 2019 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2019 | 28 May 2019 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2019 | 13 May 2019 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2018 | 16 Nov 2018 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Sep 2018 | 03 Sep 2018 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2018 | 25 May 2018 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2018 | 22 May 2018 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2017 | 19 May 2017 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2016 | 20 May 2016 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Aug 2015 | 13 Aug 2015 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2015 | 22 May 2015 | 001-35475 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Sep 2014 | 03 Sep 2014 | 001-35475 |
| 3 | Open Document | Open Filing | FORM 3 | 06 Aug 2014 | 31 Jul 2014 | 001-35475 |