| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 19 Dec 2022 | 10 Nov 2022 | 001-39946 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Aug 2022 | 08 Aug 2022 | 001-39946 |
| 4 | Open Document | Open Filing | 19 Feb 2021 | 17 Feb 2021 | 001-39946 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Feb 2021 | 10 Feb 2021 | 001-36131 |
| 3 | Open Document | Open Filing | 27 Jan 2021 | 27 Jan 2021 | 001-39946 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2020 | 02 Nov 2020 | 001-36131 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Feb 2020 | 05 Feb 2020 | 001-36131 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Oct 2019 | 30 Oct 2019 | 001-36131 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 01 Oct 2019 | 30 Sep 2019 | 001-36131 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Mar 2018 | 09 Mar 2018 | 000-20971 |
| 5 | Open Document | Open Filing | FORM 5 - | 06 Feb 2017 | 31 Dec 2016 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Dec 2016 | 06 Dec 2016 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Dec 2016 | 02 Dec 2016 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Dec 2016 | 30 Nov 2016 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 30 Nov 2016 | 28 Nov 2016 | 000-20971 |
| 5 | Open Document | Open Filing | FORM 5 - | 16 Feb 2016 | 31 Dec 2015 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 Mar 2015 | 06 Mar 2015 | 000-20971 |
| 5 | Open Document | Open Filing | FORM 5 - | 13 Feb 2015 | 31 Dec 2014 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Aug 2014 | 13 Aug 2014 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Mar 2014 | 05 Mar 2014 | 000-20971 |
| 5 | Open Document | Open Filing | FORM 5 - | 13 Feb 2014 | 31 Dec 2013 | 000-20971 |