| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2025 | 15 May 2025 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2025 | 12 Mar 2025 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2024 | 15 May 2024 | 000-22513 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 May 2023 | 15 May 2023 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2022 | 15 May 2022 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2022 | 09 Mar 2022 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2021 | 15 May 2021 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2020 | 01 Oct 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2020 | 01 Oct 2020 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jul 2020 | 01 Jul 2020 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jul 2020 | 01 Jul 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Oct 2019 | 04 Oct 2019 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2019 | 05 Mar 2019 | 000-22513 |
| 3/A | Open Document | Open Filing | FORM 3/A | 17 May 2019 | 25 Feb 2019 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2019 | 01 May 2019 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2019 | 25 Feb 2019 | 000-22513 |
| 3 | Open Document | Open Filing | FORM 3 | 25 Feb 2019 | 25 Feb 2019 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2018 | 01 May 2018 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2018 | 01 Mar 2018 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jul 2017 | 24 Jul 2017 | 001-01183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2017 | 01 May 2017 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2017 | 01 Mar 2017 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2017 | 17 Feb 2007 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2016 | 02 May 2016 | 001-01183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2016 | 02 May 2016 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2016 | 01 Mar 2016 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Oct 2015 | 08 Oct 2015 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2015 | 21 May 2015 | 001-01183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2015 | 30 Apr 2015 | 001-04601 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2015 | 08 Apr 2015 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Apr 2015 | 02 Apr 2015 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2015 | 01 Mar 2015 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jul 2014 | 25 Jul 2014 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2014 | 01 Mar 2014 | 001-01183 |