| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 May 2023 | 04 May 2023 | 001-37994 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 May 2022 | 29 Apr 2022 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2021 | 06 May 2021 | 001-01023 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 May 2021 | 29 Apr 2021 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2021 | 04 Jan 2021 | 001-01023 |
| 4 | Open Document | Open Filing | 4 | 14 Sep 2020 | 11 Sep 2020 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 04 May 2020 | 30 Apr 2020 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 17 Mar 2020 | 16 Mar 2020 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 12 Mar 2020 | 11 Mar 2020 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 02 Mar 2020 | 28 Feb 2020 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2020 | 02 Jan 2020 | 001-01023 |
| 4 | Open Document | Open Filing | 4 | 16 Dec 2019 | 13 Dec 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 06 May 2019 | 02 May 2019 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2019 | 02 Jan 2019 | 001-01023 |
| 4 | Open Document | Open Filing | 4 | 14 Nov 2018 | 14 Nov 2018 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 07 May 2018 | 03 May 2018 | 001-37994 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2018 | 16 Apr 2018 | 001-14036 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2018 | 31 Dec 2017 | 001-14036 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2018 | 02 Jan 2018 | 001-01023 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2017 | 08 Dec 2017 | 001-14036 |
| 4 | Open Document | Open Filing | 4 | 17 Nov 2017 | 16 Nov 2017 | 001-37994 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Sep 2017 | 08 Sep 2017 | 001-14036 |
| 4 | Open Document | Open Filing | 4 | 21 Jul 2017 | 20 Jul 2017 | 000-54991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jul 2017 | 18 Jul 2017 | 001-37994 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jul 2017 | 18 Jul 2017 | 001-37994 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2017 | 08 Jun 2017 | 001-14036 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2017 | 11 May 2017 | 000-54991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2017 | 09 May 2017 | 001-14036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2017 | 10 Mar 2017 | 001-14036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2017 | 24 Feb 2017 | 001-14036 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2017 | 31 Dec 2016 | 001-14036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2017 | 11 Jan 2017 | 001-14036 |
| 4 | Open Document | Open Filing | 04 Jan 2017 | 03 Jan 2017 | 001-01023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2016 | 12 May 2016 | 000-54991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2016 | 10 May 2016 | 001-14036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2016 | 04 Feb 2016 | 001-14036 |
| 4 | Open Document | Open Filing | 05 Jan 2016 | 04 Jan 2016 | 001-01023 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2015 | 31 Aug 2015 | 001-14036 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Aug 2015 | 18 Aug 2015 | 000-54991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2015 | 06 Aug 2015 | 001-14036 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2015 | 13 May 2015 | 000-54991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2015 | 12 May 2015 | 001-14036 |
| 4 | Open Document | Open Filing | 06 Jan 2015 | 05 Jan 2015 | 001-01023 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2014 | 15 Dec 2014 | 001-14036 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2014 | 10 Nov 2014 | 001-14036 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2014 | 15 May 2014 | 000-54991 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2014 | 07 May 2014 | 000-54991 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Feb 2014 | 03 Feb 2014 | 000-54991 |
| 4 | Open Document | Open Filing | 03 Jan 2014 | 02 Jan 2014 | 001-01023 |