| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 09 Jun 2025 | 05 Jun 2025 | 001-36201 | |
| 4 | Open Document | Open Filing | 12 Jun 2024 | 11 Jun 2024 | 001-36201 | |
| 4 | Open Document | Open Filing | 06 Mar 2024 | 04 Mar 2024 | 001-36201 | |
| 4 | Open Document | Open Filing | 12 Oct 2023 | 29 Sep 2023 | 001-41827 | |
| 4 | Open Document | Open Filing | 29 Jun 2023 | 28 Jun 2023 | 001-36201 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2023 | 03 Jan 2023 | 001-38327 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jul 2022 | 05 Jul 2022 | 000-50484 |
| 4 | Open Document | Open Filing | 17 Jun 2022 | 15 Jun 2022 | 001-36201 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2022 | 03 Jan 2022 | 001-38327 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2021 | 01 Jul 2021 | 000-50484 |
| 4 | Open Document | Open Filing | 14 Jun 2021 | 10 Jun 2021 | 001-36201 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2021 | 04 Jan 2021 | 001-38327 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Sep 2020 | 17 Sep 2020 | 001-38327 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 18 Sep 2020 | 17 Sep 2020 | 001-38327 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jul 2020 | 02 Jul 2020 | 000-50484 |
| 4 | Open Document | Open Filing | 06 Jul 2020 | 02 Jul 2020 | 001-36201 | |
| 4 | Open Document | Open Filing | 15 Oct 2019 | 11 Oct 2019 | 001-36201 | |
| 3 | Open Document | Open Filing | 15 Oct 2019 | 11 Oct 2019 | 001-36201 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jul 2019 | 01 Jul 2019 | 000-50484 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 03 Jul 2019 | 01 Jul 2019 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jul 2018 | 26 Jul 2018 | 001-35996 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Aug 2017 | 24 Aug 2017 | 001-35996 |
| 4 | Open Document | Open Filing | 4 | 11 Apr 2017 | 10 Apr 2017 | 001-36856 |
| 3 | Open Document | Open Filing | 3 | 15 Dec 2016 | 14 Dec 2016 | 001-36856 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Aug 2016 | 17 Aug 2016 | 001-35996 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Aug 2015 | 20 Aug 2015 | 001-35996 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2015 | 28 May 2015 | 000-21990 |
| 4 | Open Document | Open Filing | FORM 4 - | 19 Mar 2015 | 17 Mar 2015 | 001-36867 |
| 4 | Open Document | Open Filing | 26 Aug 2014 | 20 Aug 2014 | 001-35996 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Aug 2014 | 05 Aug 2014 | 000-49839 |
| 4 | Open Document | Open Filing | HOWSON FORM 4 (JULY 2014) | 07 Jul 2014 | 02 Jul 2014 | 000-21990 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2014 | 05 Jun 2014 | 000-49839 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 May 2014 | 09 May 2014 | 000-55075 |
| 4 | Open Document | Open Filing | HOWSON FORM 4 | 06 Jan 2014 | 02 Jan 2014 | 000-21990 |