| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Apr 2025 | 24 Apr 2025 | 001-37994 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Apr 2024 | 25 Apr 2024 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2023 | 30 Oct 2023 | 000-24531 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jun 2023 | 30 Jun 2023 | 001-37994 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 May 2023 | 04 May 2023 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2022 | 14 Sep 2022 | 000-24531 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 May 2022 | 29 Apr 2022 | 001-37994 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Feb 2022 | 31 Dec 2021 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Sep 2021 | 15 Sep 2021 | 000-24531 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 May 2021 | 29 Apr 2021 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Sep 2020 | 24 Sep 2020 | 000-24531 |
| 4 | Open Document | Open Filing | 4 | 04 May 2020 | 30 Apr 2020 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2020 | 26 Dec 2019 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Sep 2019 | 19 Sep 2019 | 000-24531 |
| 4 | Open Document | Open Filing | 4 | 06 May 2019 | 02 May 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 29 Mar 2019 | 27 Mar 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 25 Mar 2019 | 21 Mar 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 20 Mar 2019 | 18 Mar 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 13 Mar 2019 | 11 Mar 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 04 Jan 2019 | 02 Jan 2019 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Sep 2018 | 20 Sep 2018 | 000-24531 |
| 4 | Open Document | Open Filing | 4 | 07 Aug 2018 | 06 Aug 2018 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | 07 May 2018 | 03 May 2018 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2017 | 13 Sep 2017 | 000-24531 |
| 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 | FORM 4 | 15 Sep 2016 | 15 Sep 2016 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2016 | 01 Aug 2016 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Sep 2015 | 09 Sep 2015 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2014 | 11 Sep 2014 | 000-24531 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2013 | 19 Sep 2013 | 000-24531 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2012 | 27 Sep 2012 | 000-24531 |