| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2025 | 21 May 2025 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2024 | 21 May 2024 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2024 | 15 May 2024 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2023 | 15 May 2023 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jul 2022 | 20 Jul 2022 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2022 | 13 May 2022 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2022 | 16 Mar 2022 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jan 2022 | 19 Jan 2022 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2021 | 07 Dec 2021 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2021 | 15 Jun 2021 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2021 | 13 May 2021 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Apr 2021 | 16 Apr 2021 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2021 | 16 Mar 2021 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2021 | 16 Feb 2021 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2021 | 04 Jan 2021 | 001-14888 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2020 | 17 Jun 2020 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2020 | 20 May 2020 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2020 | 14 May 2020 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2020 | 08 May 2020 | 001-14888 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2019 | 19 Jun 2019 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2019 | 11 May 2019 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2019 | 08 May 2019 | 001-14888 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2018 | 19 Jun 2018 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2018 | 11 May 2018 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Apr 2018 | 12 Apr 2018 | 001-14888 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Sep 2017 | 25 Sep 2017 | 000-31615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2017 | 19 Jun 2017 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2017 | 12 May 2017 | 001-14888 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jun 2016 | 22 Jun 2016 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2016 | 18 May 2016 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2016 | 13 May 2016 | 001-14888 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2016 | 08 May 2016 | 001-14888 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2016 | 31 Mar 2016 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 Aug 2015 | 14 Aug 2015 | 001-14888 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2015 | 15 Jun 2015 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 May 2015 | 08 May 2015 | 001-14888 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2015 | 26 Mar 2015 | 000-31615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2015 | 10 Mar 2015 | 000-31615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2014 | 16 Jun 2014 | 000-31615 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 May 2014 | 22 May 2014 | 001-14888 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2014 | 28 Mar 2014 | 000-31615 |